[media] tlg2300: switch to v4l2_fh
This switch to v4l2_fh resolves the last v4l2_compliance issues with respect to control events and priority handling. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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173fdb8aff
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@ -116,7 +116,6 @@ struct poseidon_audio {
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struct radio_data {
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__u32 fm_freq;
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int users;
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unsigned int is_radio_streaming;
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int pre_emphasis;
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struct video_device fm_dev;
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@ -267,7 +267,8 @@ static inline void set_map_flags(struct poseidon *pd, struct usb_device *udev)
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static inline int get_autopm_ref(struct poseidon *pd)
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{
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return pd->video_data.users + pd->vbi_data.users + pd->audio.users
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+ atomic_read(&pd->dvb_data.users) + pd->radio_data.users;
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+ atomic_read(&pd->dvb_data.users) +
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!list_empty(&pd->radio_data.fm_dev.fh_list);
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}
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/* fixup something for poseidon */
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@ -9,6 +9,8 @@
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#include <linux/mm.h>
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#include <linux/mutex.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-event.h>
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#include <media/v4l2-fh.h>
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#include <linux/sched.h>
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#include "pd-common.h"
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@ -77,13 +79,9 @@ static int pm_fm_resume(struct poseidon *p)
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static int poseidon_fm_open(struct file *filp)
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{
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struct video_device *vfd = video_devdata(filp);
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struct poseidon *p = video_get_drvdata(vfd);
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struct poseidon *p = video_drvdata(filp);
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int ret = 0;
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if (!p)
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return -1;
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mutex_lock(&p->lock);
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if (p->state & POSEIDON_STATE_DISCONNECT) {
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ret = -ENODEV;
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@ -94,9 +92,14 @@ static int poseidon_fm_open(struct file *filp)
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ret = -EBUSY;
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goto out;
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}
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ret = v4l2_fh_open(filp);
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if (ret)
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goto out;
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usb_autopm_get_interface(p->interface);
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if (0 == p->state) {
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struct video_device *vfd = &p->radio_data.fm_dev;
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/* default pre-emphasis */
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if (p->radio_data.pre_emphasis == 0)
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p->radio_data.pre_emphasis = TLG_TUNE_ASTD_FM_EUR;
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@ -109,9 +112,7 @@ static int poseidon_fm_open(struct file *filp)
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}
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p->state |= POSEIDON_STATE_FM;
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}
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p->radio_data.users++;
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kref_get(&p->kref);
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filp->private_data = p;
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out:
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mutex_unlock(&p->lock);
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return ret;
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@ -119,13 +120,12 @@ out:
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static int poseidon_fm_close(struct file *filp)
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{
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struct poseidon *p = filp->private_data;
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struct poseidon *p = video_drvdata(filp);
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struct radio_data *fm = &p->radio_data;
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uint32_t status;
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mutex_lock(&p->lock);
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fm->users--;
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if (0 == fm->users)
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if (v4l2_fh_is_singular_file(filp))
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p->state &= ~POSEIDON_STATE_FM;
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if (fm->is_radio_streaming && filp == p->file_for_stream) {
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@ -136,14 +136,13 @@ static int poseidon_fm_close(struct file *filp)
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mutex_unlock(&p->lock);
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kref_put(&p->kref, poseidon_delete);
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filp->private_data = NULL;
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return 0;
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return v4l2_fh_release(filp);
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}
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static int vidioc_querycap(struct file *file, void *priv,
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struct v4l2_capability *v)
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{
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struct poseidon *p = file->private_data;
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struct poseidon *p = video_drvdata(file);
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strlcpy(v->driver, "tele-radio", sizeof(v->driver));
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strlcpy(v->card, "Telegent Poseidon", sizeof(v->card));
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@ -156,15 +155,16 @@ static const struct v4l2_file_operations poseidon_fm_fops = {
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.owner = THIS_MODULE,
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.open = poseidon_fm_open,
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.release = poseidon_fm_close,
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.poll = v4l2_ctrl_poll,
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.unlocked_ioctl = video_ioctl2,
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};
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static int tlg_fm_vidioc_g_tuner(struct file *file, void *priv,
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struct v4l2_tuner *vt)
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{
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struct poseidon *p = video_drvdata(file);
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struct tuner_fm_sig_stat_s fm_stat = {};
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int ret, status, count = 5;
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struct poseidon *p = file->private_data;
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if (vt->index != 0)
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return -EINVAL;
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@ -206,7 +206,7 @@ static int tlg_fm_vidioc_g_tuner(struct file *file, void *priv,
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static int fm_get_freq(struct file *file, void *priv,
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struct v4l2_frequency *argp)
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{
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struct poseidon *p = file->private_data;
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struct poseidon *p = video_drvdata(file);
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if (argp->tuner)
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return -EINVAL;
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@ -249,7 +249,7 @@ error:
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static int fm_set_freq(struct file *file, void *priv,
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struct v4l2_frequency *argp)
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{
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struct poseidon *p = file->private_data;
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struct poseidon *p = video_drvdata(file);
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if (argp->tuner)
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return -EINVAL;
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@ -293,6 +293,8 @@ static const struct v4l2_ioctl_ops poseidon_fm_ioctl_ops = {
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.vidioc_g_tuner = tlg_fm_vidioc_g_tuner,
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.vidioc_g_frequency = fm_get_freq,
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.vidioc_s_frequency = fm_set_freq,
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.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
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.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
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};
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static struct video_device poseidon_fm_template = {
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@ -320,6 +322,7 @@ int poseidon_fm_init(struct poseidon *p)
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}
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vfd->v4l2_dev = &p->v4l2_dev;
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vfd->ctrl_handler = hdl;
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set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
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video_set_drvdata(vfd, p);
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return video_register_device(vfd, VFL_TYPE_RADIO, -1);
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}
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