staging: line6: drop variax tone sysfs attr
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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9f242ef59b
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abac15bd18
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@ -199,11 +199,6 @@ void line6_variax_process_message(struct usb_line6_variax *variax)
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switch (buf[0]) {
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case LINE6_PARAM_CHANGE | LINE6_CHANNEL_HOST:
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switch (buf[1]) {
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case VARIAXMIDI_tone:
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variax->tone = buf[2];
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}
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break;
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case LINE6_PROGRAM_CHANGE | LINE6_CHANNEL_DEVICE:
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@ -326,40 +321,6 @@ static ssize_t variax_set_active(struct device *dev,
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return count;
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}
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/*
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"read" request on "tone" special file.
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*/
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static ssize_t variax_get_tone(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct usb_line6_variax *variax =
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usb_get_intfdata(to_usb_interface(dev));
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return sprintf(buf, "%d\n", variax->tone);
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}
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/*
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"write" request on "tone" special file.
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*/
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static ssize_t variax_set_tone(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct usb_line6_variax *variax =
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usb_get_intfdata(to_usb_interface(dev));
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u8 value;
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int ret;
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ret = kstrtou8(buf, 10, &value);
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if (ret)
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return ret;
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if (line6_transmit_parameter(&variax->line6, VARIAXMIDI_tone,
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value) == 0)
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variax->tone = value;
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return count;
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}
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static ssize_t get_string(char *buf, const char *data, int length)
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{
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int i;
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@ -477,7 +438,6 @@ static ssize_t variax_set_raw2(struct device *dev,
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#endif
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/* Variax workbench special files: */
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static DEVICE_ATTR(tone, S_IWUSR | S_IRUGO, variax_get_tone, variax_set_tone);
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static DEVICE_ATTR(name, S_IRUGO, variax_get_name, line6_nop_write);
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static DEVICE_ATTR(bank, S_IRUGO, variax_get_bank, line6_nop_write);
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static DEVICE_ATTR(dump, S_IRUGO, variax_get_dump, line6_nop_write);
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@ -519,7 +479,6 @@ static void variax_destruct(struct usb_interface *interface)
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static int variax_create_files2(struct device *dev)
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{
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int err;
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CHECK_RETURN(device_create_file(dev, &dev_attr_tone));
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CHECK_RETURN(device_create_file(dev, &dev_attr_name));
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CHECK_RETURN(device_create_file(dev, &dev_attr_bank));
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CHECK_RETURN(device_create_file(dev, &dev_attr_dump));
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@ -623,7 +582,6 @@ void line6_variax_disconnect(struct usb_interface *interface)
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if (dev != NULL) {
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/* remove sysfs entries: */
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line6_variax_remove_files(0, 0, dev);
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device_remove_file(dev, &dev_attr_tone);
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device_remove_file(dev, &dev_attr_name);
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device_remove_file(dev, &dev_attr_bank);
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device_remove_file(dev, &dev_attr_dump);
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@ -92,11 +92,6 @@ struct usb_line6_variax {
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*/
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unsigned char bank[18];
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/**
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Position of tone control dial.
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*/
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int tone;
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/**
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Handler for device initializaton.
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*/
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