![Takashi Iwai](/assets/img/avatar_default.png)
Also remove superfluous snd_card_set_dev() calls. Signed-off-by: Takashi Iwai <tiwai@suse.de>
779 lines
19 KiB
C
779 lines
19 KiB
C
/*
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* Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/slab.h>
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#include <linux/usb.h>
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#include <linux/usb/audio.h>
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#include <linux/module.h>
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#include <sound/core.h>
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#include <sound/hwdep.h>
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#include <sound/pcm.h>
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#include <sound/initval.h>
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#define MODNAME "US122L"
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#include "usb_stream.c"
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#include "../usbaudio.h"
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#include "../midi.h"
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#include "us122l.h"
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MODULE_AUTHOR("Karsten Wiese <fzu@wemgehoertderstaat.de>");
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MODULE_DESCRIPTION("TASCAM "NAME_ALLCAPS" Version 0.5");
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MODULE_LICENSE("GPL");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-max */
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* Id for this card */
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/* Enable this card */
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static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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module_param_array(index, int, NULL, 0444);
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MODULE_PARM_DESC(index, "Index value for "NAME_ALLCAPS".");
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module_param_array(id, charp, NULL, 0444);
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MODULE_PARM_DESC(id, "ID string for "NAME_ALLCAPS".");
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module_param_array(enable, bool, NULL, 0444);
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MODULE_PARM_DESC(enable, "Enable "NAME_ALLCAPS".");
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static int snd_us122l_card_used[SNDRV_CARDS];
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static int us122l_create_usbmidi(struct snd_card *card)
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{
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static struct snd_usb_midi_endpoint_info quirk_data = {
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.out_ep = 4,
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.in_ep = 3,
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.out_cables = 0x001,
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.in_cables = 0x001
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};
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static struct snd_usb_audio_quirk quirk = {
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.vendor_name = "US122L",
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.product_name = NAME_ALLCAPS,
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.ifnum = 1,
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.type = QUIRK_MIDI_US122L,
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.data = &quirk_data
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};
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struct usb_device *dev = US122L(card)->dev;
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struct usb_interface *iface = usb_ifnum_to_if(dev, 1);
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return snd_usbmidi_create(card, iface,
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&US122L(card)->midi_list, &quirk);
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}
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static int us144_create_usbmidi(struct snd_card *card)
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{
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static struct snd_usb_midi_endpoint_info quirk_data = {
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.out_ep = 4,
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.in_ep = 3,
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.out_cables = 0x001,
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.in_cables = 0x001
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};
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static struct snd_usb_audio_quirk quirk = {
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.vendor_name = "US144",
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.product_name = NAME_ALLCAPS,
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.ifnum = 0,
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.type = QUIRK_MIDI_US122L,
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.data = &quirk_data
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};
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struct usb_device *dev = US122L(card)->dev;
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struct usb_interface *iface = usb_ifnum_to_if(dev, 0);
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return snd_usbmidi_create(card, iface,
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&US122L(card)->midi_list, &quirk);
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}
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/*
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* Wrapper for usb_control_msg().
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* Allocates a temp buffer to prevent dmaing from/to the stack.
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*/
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static int us122l_ctl_msg(struct usb_device *dev, unsigned int pipe,
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__u8 request, __u8 requesttype,
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__u16 value, __u16 index, void *data,
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__u16 size, int timeout)
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{
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int err;
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void *buf = NULL;
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if (size > 0) {
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buf = kmemdup(data, size, GFP_KERNEL);
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if (!buf)
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return -ENOMEM;
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}
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err = usb_control_msg(dev, pipe, request, requesttype,
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value, index, buf, size, timeout);
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if (size > 0) {
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memcpy(data, buf, size);
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kfree(buf);
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}
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return err;
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}
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static void pt_info_set(struct usb_device *dev, u8 v)
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{
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int ret;
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ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
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'I',
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USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
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v, 0, NULL, 0, 1000);
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snd_printdd(KERN_DEBUG "%i\n", ret);
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}
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static void usb_stream_hwdep_vm_open(struct vm_area_struct *area)
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{
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struct us122l *us122l = area->vm_private_data;
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atomic_inc(&us122l->mmap_count);
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snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
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}
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static int usb_stream_hwdep_vm_fault(struct vm_area_struct *area,
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struct vm_fault *vmf)
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{
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unsigned long offset;
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struct page *page;
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void *vaddr;
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struct us122l *us122l = area->vm_private_data;
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struct usb_stream *s;
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mutex_lock(&us122l->mutex);
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s = us122l->sk.s;
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if (!s)
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goto unlock;
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offset = vmf->pgoff << PAGE_SHIFT;
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if (offset < PAGE_ALIGN(s->read_size))
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vaddr = (char *)s + offset;
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else {
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offset -= PAGE_ALIGN(s->read_size);
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if (offset >= PAGE_ALIGN(s->write_size))
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goto unlock;
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vaddr = us122l->sk.write_page + offset;
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}
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page = virt_to_page(vaddr);
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get_page(page);
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mutex_unlock(&us122l->mutex);
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vmf->page = page;
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return 0;
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unlock:
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mutex_unlock(&us122l->mutex);
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return VM_FAULT_SIGBUS;
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}
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static void usb_stream_hwdep_vm_close(struct vm_area_struct *area)
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{
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struct us122l *us122l = area->vm_private_data;
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atomic_dec(&us122l->mmap_count);
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snd_printdd(KERN_DEBUG "%i\n", atomic_read(&us122l->mmap_count));
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}
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static const struct vm_operations_struct usb_stream_hwdep_vm_ops = {
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.open = usb_stream_hwdep_vm_open,
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.fault = usb_stream_hwdep_vm_fault,
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.close = usb_stream_hwdep_vm_close,
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};
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static int usb_stream_hwdep_open(struct snd_hwdep *hw, struct file *file)
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{
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struct us122l *us122l = hw->private_data;
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struct usb_interface *iface;
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snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
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if (hw->used >= 2)
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return -EBUSY;
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if (!us122l->first)
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us122l->first = file;
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if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
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us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
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iface = usb_ifnum_to_if(us122l->dev, 0);
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usb_autopm_get_interface(iface);
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}
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iface = usb_ifnum_to_if(us122l->dev, 1);
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usb_autopm_get_interface(iface);
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return 0;
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}
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static int usb_stream_hwdep_release(struct snd_hwdep *hw, struct file *file)
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{
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struct us122l *us122l = hw->private_data;
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struct usb_interface *iface;
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snd_printdd(KERN_DEBUG "%p %p\n", hw, file);
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if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
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us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
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iface = usb_ifnum_to_if(us122l->dev, 0);
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usb_autopm_put_interface(iface);
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}
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iface = usb_ifnum_to_if(us122l->dev, 1);
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usb_autopm_put_interface(iface);
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if (us122l->first == file)
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us122l->first = NULL;
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mutex_lock(&us122l->mutex);
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if (us122l->master == file)
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us122l->master = us122l->slave;
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us122l->slave = NULL;
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mutex_unlock(&us122l->mutex);
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return 0;
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}
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static int usb_stream_hwdep_mmap(struct snd_hwdep *hw,
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struct file *filp, struct vm_area_struct *area)
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{
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unsigned long size = area->vm_end - area->vm_start;
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struct us122l *us122l = hw->private_data;
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unsigned long offset;
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struct usb_stream *s;
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int err = 0;
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bool read;
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offset = area->vm_pgoff << PAGE_SHIFT;
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mutex_lock(&us122l->mutex);
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s = us122l->sk.s;
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read = offset < s->read_size;
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if (read && area->vm_flags & VM_WRITE) {
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err = -EPERM;
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goto out;
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}
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snd_printdd(KERN_DEBUG "%lu %u\n", size,
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read ? s->read_size : s->write_size);
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/* if userspace tries to mmap beyond end of our buffer, fail */
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if (size > PAGE_ALIGN(read ? s->read_size : s->write_size)) {
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snd_printk(KERN_WARNING "%lu > %u\n", size,
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read ? s->read_size : s->write_size);
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err = -EINVAL;
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goto out;
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}
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area->vm_ops = &usb_stream_hwdep_vm_ops;
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area->vm_flags |= VM_DONTDUMP;
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if (!read)
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area->vm_flags |= VM_DONTEXPAND;
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area->vm_private_data = us122l;
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atomic_inc(&us122l->mmap_count);
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out:
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mutex_unlock(&us122l->mutex);
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return err;
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}
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static unsigned int usb_stream_hwdep_poll(struct snd_hwdep *hw,
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struct file *file, poll_table *wait)
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{
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struct us122l *us122l = hw->private_data;
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unsigned *polled;
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unsigned int mask;
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poll_wait(file, &us122l->sk.sleep, wait);
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mask = POLLIN | POLLOUT | POLLWRNORM | POLLERR;
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if (mutex_trylock(&us122l->mutex)) {
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struct usb_stream *s = us122l->sk.s;
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if (s && s->state == usb_stream_ready) {
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if (us122l->first == file)
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polled = &s->periods_polled;
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else
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polled = &us122l->second_periods_polled;
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if (*polled != s->periods_done) {
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*polled = s->periods_done;
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mask = POLLIN | POLLOUT | POLLWRNORM;
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} else
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mask = 0;
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}
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mutex_unlock(&us122l->mutex);
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}
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return mask;
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}
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static void us122l_stop(struct us122l *us122l)
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{
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struct list_head *p;
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list_for_each(p, &us122l->midi_list)
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snd_usbmidi_input_stop(p);
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usb_stream_stop(&us122l->sk);
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usb_stream_free(&us122l->sk);
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}
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static int us122l_set_sample_rate(struct usb_device *dev, int rate)
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{
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unsigned int ep = 0x81;
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unsigned char data[3];
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int err;
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data[0] = rate;
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data[1] = rate >> 8;
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data[2] = rate >> 16;
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err = us122l_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
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USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT,
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UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, data, 3, 1000);
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if (err < 0)
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snd_printk(KERN_ERR "%d: cannot set freq %d to ep 0x%x\n",
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dev->devnum, rate, ep);
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return err;
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}
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static bool us122l_start(struct us122l *us122l,
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unsigned rate, unsigned period_frames)
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{
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struct list_head *p;
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int err;
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unsigned use_packsize = 0;
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bool success = false;
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if (us122l->dev->speed == USB_SPEED_HIGH) {
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/* The us-122l's descriptor defaults to iso max_packsize 78,
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which isn't needed for samplerates <= 48000.
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Lets save some memory:
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*/
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switch (rate) {
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case 44100:
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use_packsize = 36;
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break;
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case 48000:
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use_packsize = 42;
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break;
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case 88200:
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use_packsize = 72;
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break;
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}
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}
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if (!usb_stream_new(&us122l->sk, us122l->dev, 1, 2,
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rate, use_packsize, period_frames, 6))
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goto out;
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err = us122l_set_sample_rate(us122l->dev, rate);
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if (err < 0) {
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us122l_stop(us122l);
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snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
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goto out;
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}
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err = usb_stream_start(&us122l->sk);
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if (err < 0) {
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us122l_stop(us122l);
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snd_printk(KERN_ERR "us122l_start error %i \n", err);
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goto out;
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}
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list_for_each(p, &us122l->midi_list)
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snd_usbmidi_input_start(p);
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success = true;
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out:
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return success;
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}
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static int usb_stream_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
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unsigned cmd, unsigned long arg)
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{
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struct usb_stream_config *cfg;
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struct us122l *us122l = hw->private_data;
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struct usb_stream *s;
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unsigned min_period_frames;
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int err = 0;
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bool high_speed;
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if (cmd != SNDRV_USB_STREAM_IOCTL_SET_PARAMS)
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return -ENOTTY;
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cfg = memdup_user((void *)arg, sizeof(*cfg));
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if (IS_ERR(cfg))
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return PTR_ERR(cfg);
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if (cfg->version != USB_STREAM_INTERFACE_VERSION) {
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err = -ENXIO;
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goto free;
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}
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high_speed = us122l->dev->speed == USB_SPEED_HIGH;
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if ((cfg->sample_rate != 44100 && cfg->sample_rate != 48000 &&
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(!high_speed ||
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(cfg->sample_rate != 88200 && cfg->sample_rate != 96000))) ||
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cfg->frame_size != 6 ||
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cfg->period_frames > 0x3000) {
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err = -EINVAL;
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goto free;
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}
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switch (cfg->sample_rate) {
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case 44100:
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min_period_frames = 48;
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break;
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case 48000:
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min_period_frames = 52;
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break;
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default:
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min_period_frames = 104;
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break;
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}
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if (!high_speed)
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min_period_frames <<= 1;
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if (cfg->period_frames < min_period_frames) {
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err = -EINVAL;
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goto free;
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}
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snd_power_wait(hw->card, SNDRV_CTL_POWER_D0);
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mutex_lock(&us122l->mutex);
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s = us122l->sk.s;
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if (!us122l->master)
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us122l->master = file;
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else if (us122l->master != file) {
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if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg))) {
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err = -EIO;
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goto unlock;
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}
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us122l->slave = file;
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}
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if (!s || memcmp(cfg, &s->cfg, sizeof(*cfg)) ||
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s->state == usb_stream_xrun) {
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us122l_stop(us122l);
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if (!us122l_start(us122l, cfg->sample_rate, cfg->period_frames))
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err = -EIO;
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else
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err = 1;
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}
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unlock:
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mutex_unlock(&us122l->mutex);
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free:
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kfree(cfg);
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wake_up_all(&us122l->sk.sleep);
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return err;
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}
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#define SND_USB_STREAM_ID "USB STREAM"
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static int usb_stream_hwdep_new(struct snd_card *card)
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{
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int err;
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struct snd_hwdep *hw;
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struct usb_device *dev = US122L(card)->dev;
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err = snd_hwdep_new(card, SND_USB_STREAM_ID, 0, &hw);
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if (err < 0)
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return err;
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hw->iface = SNDRV_HWDEP_IFACE_USB_STREAM;
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hw->private_data = US122L(card);
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hw->ops.open = usb_stream_hwdep_open;
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hw->ops.release = usb_stream_hwdep_release;
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hw->ops.ioctl = usb_stream_hwdep_ioctl;
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hw->ops.ioctl_compat = usb_stream_hwdep_ioctl;
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hw->ops.mmap = usb_stream_hwdep_mmap;
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hw->ops.poll = usb_stream_hwdep_poll;
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sprintf(hw->name, "/proc/bus/usb/%03d/%03d/hwdeppcm",
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dev->bus->busnum, dev->devnum);
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return 0;
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}
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static bool us122l_create_card(struct snd_card *card)
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{
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int err;
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struct us122l *us122l = US122L(card);
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if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
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us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
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err = usb_set_interface(us122l->dev, 0, 1);
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if (err) {
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snd_printk(KERN_ERR "usb_set_interface error \n");
|
|
return false;
|
|
}
|
|
}
|
|
err = usb_set_interface(us122l->dev, 1, 1);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "usb_set_interface error \n");
|
|
return false;
|
|
}
|
|
|
|
pt_info_set(us122l->dev, 0x11);
|
|
pt_info_set(us122l->dev, 0x10);
|
|
|
|
if (!us122l_start(us122l, 44100, 256))
|
|
return false;
|
|
|
|
if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
|
|
us122l->dev->descriptor.idProduct == USB_ID_US144MKII)
|
|
err = us144_create_usbmidi(card);
|
|
else
|
|
err = us122l_create_usbmidi(card);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "us122l_create_usbmidi error %i \n", err);
|
|
us122l_stop(us122l);
|
|
return false;
|
|
}
|
|
err = usb_stream_hwdep_new(card);
|
|
if (err < 0) {
|
|
/* release the midi resources */
|
|
struct list_head *p;
|
|
list_for_each(p, &us122l->midi_list)
|
|
snd_usbmidi_disconnect(p);
|
|
|
|
us122l_stop(us122l);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void snd_us122l_free(struct snd_card *card)
|
|
{
|
|
struct us122l *us122l = US122L(card);
|
|
int index = us122l->card_index;
|
|
if (index >= 0 && index < SNDRV_CARDS)
|
|
snd_us122l_card_used[index] = 0;
|
|
}
|
|
|
|
static int usx2y_create_card(struct usb_device *device,
|
|
struct usb_interface *intf,
|
|
struct snd_card **cardp)
|
|
{
|
|
int dev;
|
|
struct snd_card *card;
|
|
int err;
|
|
|
|
for (dev = 0; dev < SNDRV_CARDS; ++dev)
|
|
if (enable[dev] && !snd_us122l_card_used[dev])
|
|
break;
|
|
if (dev >= SNDRV_CARDS)
|
|
return -ENODEV;
|
|
err = snd_card_new(&intf->dev, index[dev], id[dev], THIS_MODULE,
|
|
sizeof(struct us122l), &card);
|
|
if (err < 0)
|
|
return err;
|
|
snd_us122l_card_used[US122L(card)->card_index = dev] = 1;
|
|
card->private_free = snd_us122l_free;
|
|
US122L(card)->dev = device;
|
|
mutex_init(&US122L(card)->mutex);
|
|
init_waitqueue_head(&US122L(card)->sk.sleep);
|
|
INIT_LIST_HEAD(&US122L(card)->midi_list);
|
|
strcpy(card->driver, "USB "NAME_ALLCAPS"");
|
|
sprintf(card->shortname, "TASCAM "NAME_ALLCAPS"");
|
|
sprintf(card->longname, "%s (%x:%x if %d at %03d/%03d)",
|
|
card->shortname,
|
|
le16_to_cpu(device->descriptor.idVendor),
|
|
le16_to_cpu(device->descriptor.idProduct),
|
|
0,
|
|
US122L(card)->dev->bus->busnum,
|
|
US122L(card)->dev->devnum
|
|
);
|
|
*cardp = card;
|
|
return 0;
|
|
}
|
|
|
|
static int us122l_usb_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *device_id,
|
|
struct snd_card **cardp)
|
|
{
|
|
struct usb_device *device = interface_to_usbdev(intf);
|
|
struct snd_card *card;
|
|
int err;
|
|
|
|
err = usx2y_create_card(device, intf, &card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (!us122l_create_card(card)) {
|
|
snd_card_free(card);
|
|
return -EINVAL;
|
|
}
|
|
|
|
err = snd_card_register(card);
|
|
if (err < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
usb_get_intf(usb_ifnum_to_if(device, 0));
|
|
usb_get_dev(device);
|
|
*cardp = card;
|
|
return 0;
|
|
}
|
|
|
|
static int snd_us122l_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_device *device = interface_to_usbdev(intf);
|
|
struct snd_card *card;
|
|
int err;
|
|
|
|
if ((device->descriptor.idProduct == USB_ID_US144 ||
|
|
device->descriptor.idProduct == USB_ID_US144MKII)
|
|
&& device->speed == USB_SPEED_HIGH) {
|
|
snd_printk(KERN_ERR "disable ehci-hcd to run US-144 \n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
snd_printdd(KERN_DEBUG"%p:%i\n",
|
|
intf, intf->cur_altsetting->desc.bInterfaceNumber);
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 1)
|
|
return 0;
|
|
|
|
err = us122l_usb_probe(usb_get_intf(intf), id, &card);
|
|
if (err < 0) {
|
|
usb_put_intf(intf);
|
|
return err;
|
|
}
|
|
|
|
usb_set_intfdata(intf, card);
|
|
return 0;
|
|
}
|
|
|
|
static void snd_us122l_disconnect(struct usb_interface *intf)
|
|
{
|
|
struct snd_card *card;
|
|
struct us122l *us122l;
|
|
struct list_head *p;
|
|
|
|
card = usb_get_intfdata(intf);
|
|
if (!card)
|
|
return;
|
|
|
|
snd_card_disconnect(card);
|
|
|
|
us122l = US122L(card);
|
|
mutex_lock(&us122l->mutex);
|
|
us122l_stop(us122l);
|
|
mutex_unlock(&us122l->mutex);
|
|
|
|
/* release the midi resources */
|
|
list_for_each(p, &us122l->midi_list) {
|
|
snd_usbmidi_disconnect(p);
|
|
}
|
|
|
|
usb_put_intf(usb_ifnum_to_if(us122l->dev, 0));
|
|
usb_put_intf(usb_ifnum_to_if(us122l->dev, 1));
|
|
usb_put_dev(us122l->dev);
|
|
|
|
while (atomic_read(&us122l->mmap_count))
|
|
msleep(500);
|
|
|
|
snd_card_free(card);
|
|
}
|
|
|
|
static int snd_us122l_suspend(struct usb_interface *intf, pm_message_t message)
|
|
{
|
|
struct snd_card *card;
|
|
struct us122l *us122l;
|
|
struct list_head *p;
|
|
|
|
card = usb_get_intfdata(intf);
|
|
if (!card)
|
|
return 0;
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
|
|
|
us122l = US122L(card);
|
|
if (!us122l)
|
|
return 0;
|
|
|
|
list_for_each(p, &us122l->midi_list)
|
|
snd_usbmidi_input_stop(p);
|
|
|
|
mutex_lock(&us122l->mutex);
|
|
usb_stream_stop(&us122l->sk);
|
|
mutex_unlock(&us122l->mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int snd_us122l_resume(struct usb_interface *intf)
|
|
{
|
|
struct snd_card *card;
|
|
struct us122l *us122l;
|
|
struct list_head *p;
|
|
int err;
|
|
|
|
card = usb_get_intfdata(intf);
|
|
if (!card)
|
|
return 0;
|
|
|
|
us122l = US122L(card);
|
|
if (!us122l)
|
|
return 0;
|
|
|
|
mutex_lock(&us122l->mutex);
|
|
/* needed, doesn't restart without: */
|
|
if (us122l->dev->descriptor.idProduct == USB_ID_US144 ||
|
|
us122l->dev->descriptor.idProduct == USB_ID_US144MKII) {
|
|
err = usb_set_interface(us122l->dev, 0, 1);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "usb_set_interface error \n");
|
|
goto unlock;
|
|
}
|
|
}
|
|
err = usb_set_interface(us122l->dev, 1, 1);
|
|
if (err) {
|
|
snd_printk(KERN_ERR "usb_set_interface error \n");
|
|
goto unlock;
|
|
}
|
|
|
|
pt_info_set(us122l->dev, 0x11);
|
|
pt_info_set(us122l->dev, 0x10);
|
|
|
|
err = us122l_set_sample_rate(us122l->dev,
|
|
us122l->sk.s->cfg.sample_rate);
|
|
if (err < 0) {
|
|
snd_printk(KERN_ERR "us122l_set_sample_rate error \n");
|
|
goto unlock;
|
|
}
|
|
err = usb_stream_start(&us122l->sk);
|
|
if (err)
|
|
goto unlock;
|
|
|
|
list_for_each(p, &us122l->midi_list)
|
|
snd_usbmidi_input_start(p);
|
|
unlock:
|
|
mutex_unlock(&us122l->mutex);
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
|
return err;
|
|
}
|
|
|
|
static struct usb_device_id snd_us122l_usb_id_table[] = {
|
|
{
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0644,
|
|
.idProduct = USB_ID_US122L
|
|
},
|
|
{ /* US-144 only works at USB1.1! Disable module ehci-hcd. */
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0644,
|
|
.idProduct = USB_ID_US144
|
|
},
|
|
{
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0644,
|
|
.idProduct = USB_ID_US122MKII
|
|
},
|
|
{
|
|
.match_flags = USB_DEVICE_ID_MATCH_DEVICE,
|
|
.idVendor = 0x0644,
|
|
.idProduct = USB_ID_US144MKII
|
|
},
|
|
{ /* terminator */ }
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, snd_us122l_usb_id_table);
|
|
static struct usb_driver snd_us122l_usb_driver = {
|
|
.name = "snd-usb-us122l",
|
|
.probe = snd_us122l_probe,
|
|
.disconnect = snd_us122l_disconnect,
|
|
.suspend = snd_us122l_suspend,
|
|
.resume = snd_us122l_resume,
|
|
.reset_resume = snd_us122l_resume,
|
|
.id_table = snd_us122l_usb_id_table,
|
|
.supports_autosuspend = 1
|
|
};
|
|
|
|
module_usb_driver(snd_us122l_usb_driver);
|