From 3e58c868db1dc1402943f6a585529873f445c14f Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Thu, 22 Nov 2012 20:49:03 +0100 Subject: [PATCH] staging: line6: drop midi_mask_receive The midi_mask_receive sysfs attribute selects the MIDI channels on which to receive messages. There is no need to do this at the driver level, instead the MIDI application endpoints decide which channels to use. Other drivers don't implement midi_mask_receive so applications cannot make use of this feature. Therefore we drop it as part of the effort to clean up the staging driver. Signed-off-by: Stefan Hajnoczi Signed-off-by: Greg Kroah-Hartman --- drivers/staging/line6/driver.c | 5 ---- drivers/staging/line6/midi.c | 42 ---------------------------------- drivers/staging/line6/midi.h | 5 ---- 3 files changed, 52 deletions(-) diff --git a/drivers/staging/line6/driver.c b/drivers/staging/line6/driver.c index 0bc838d92514..e0e07798a637 100644 --- a/drivers/staging/line6/driver.c +++ b/drivers/staging/line6/driver.c @@ -396,11 +396,6 @@ static void line6_data_received(struct urb *urb) if (done == 0) break; - /* MIDI input filter */ - if (line6_midibuf_skip_message - (mb, line6->line6midi->midi_mask_receive)) - continue; - line6->message_length = done; line6_midi_receive(line6, line6->buffer_message, done); diff --git a/drivers/staging/line6/midi.c b/drivers/staging/line6/midi.c index c8e099bd0a4c..c543c48b1ff1 100644 --- a/drivers/staging/line6/midi.c +++ b/drivers/staging/line6/midi.c @@ -313,42 +313,8 @@ static ssize_t midi_set_midi_mask_transmit(struct device *dev, return count; } -/* - "read" request on "midi_mask_receive" special file. -*/ -static ssize_t midi_get_midi_mask_receive(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6 *line6 = usb_get_intfdata(interface); - return sprintf(buf, "%d\n", line6->line6midi->midi_mask_receive); -} - -/* - "write" request on "midi_mask" special file. -*/ -static ssize_t midi_set_midi_mask_receive(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) -{ - struct usb_interface *interface = to_usb_interface(dev); - struct usb_line6 *line6 = usb_get_intfdata(interface); - unsigned short value; - int ret; - - ret = kstrtou16(buf, 10, &value); - if (ret) - return ret; - - line6->line6midi->midi_mask_receive = value; - return count; -} - static DEVICE_ATTR(midi_mask_transmit, S_IWUSR | S_IRUGO, midi_get_midi_mask_transmit, midi_set_midi_mask_transmit); -static DEVICE_ATTR(midi_mask_receive, S_IWUSR | S_IRUGO, - midi_get_midi_mask_receive, midi_set_midi_mask_receive); /* MIDI device destructor */ static int snd_line6_midi_free(struct snd_device *device) @@ -356,8 +322,6 @@ static int snd_line6_midi_free(struct snd_device *device) struct snd_line6_midi *line6midi = device->device_data; device_remove_file(line6midi->line6->ifcdev, &dev_attr_midi_mask_transmit); - device_remove_file(line6midi->line6->ifcdev, - &dev_attr_midi_mask_receive); line6_midibuf_destroy(&line6midi->midibuf_in); line6_midibuf_destroy(&line6midi->midibuf_out); return 0; @@ -404,12 +368,10 @@ int line6_init_midi(struct usb_line6 *line6) case LINE6_DEVID_PODHD300: case LINE6_DEVID_PODHD500: line6midi->midi_mask_transmit = 1; - line6midi->midi_mask_receive = 1; break; default: line6midi->midi_mask_transmit = 1; - line6midi->midi_mask_receive = 4; } line6->line6midi = line6midi; @@ -429,10 +391,6 @@ int line6_init_midi(struct usb_line6 *line6) if (err < 0) return err; - err = device_create_file(line6->ifcdev, &dev_attr_midi_mask_receive); - if (err < 0) - return err; - init_waitqueue_head(&line6midi->send_wait); spin_lock_init(&line6midi->send_urb_lock); spin_lock_init(&line6midi->midi_transmit_lock); diff --git a/drivers/staging/line6/midi.h b/drivers/staging/line6/midi.h index 4a9e9f947297..cf32d777ce62 100644 --- a/drivers/staging/line6/midi.h +++ b/drivers/staging/line6/midi.h @@ -59,11 +59,6 @@ struct snd_line6_midi { */ unsigned short midi_mask_transmit; - /** - Bit mask for input MIDI channels. - */ - unsigned short midi_mask_receive; - /** Buffer for incoming MIDI stream. */ -- 2.34.1