Commits
Takashi Iwai committed 6fddc797878
ALSA: usb-audio: Simplify PCM open/close callbacks The stream direction in open and close callbacks can be retrieved from substream->direction, hence we don't have to stick with the unique PCM ops hard-coded for each direction. Rewrite the common open/close callback functions. Signed-off-by: Takashi Iwai <tiwai@suse.de>