Commit 284a8dd6 authored Apr 14, 2012 by Mark Hills Committed by Takashi Iwai Apr 15, 2012

ALSA: snd-usb-audio: Skip un-parseable mixer units instead of erroring



Some interfaces reference endpoints which do not exists. To
accomodate these, do not fail completely, but skip over them.

This allows the Electrix Ebox-44 with earlier firmware to be
detected and used for audio.

Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent 507230c9

sound/usb/mixer.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1388,7 +1388,7 @@ static int parse_audio_mixer_unit(struct mixer_build state, int unitid, void r
		for (pin = 0; pin < input_pins; pin++) {
		err = parse_audio_unit(state, desc->baSourceID[pin]);
		if (err < 0)
		return err;
		continue;
		err = check_input_term(state, desc->baSourceID[pin], &iterm);
		if (err < 0)
		return err;