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

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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>
This commit is contained in:
Mark Hills 2012-04-14 17:19:23 +01:00 committed by Takashi Iwai
parent 507230c999
commit 284a8dd6f0
1 changed files with 1 additions and 1 deletions
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2
sound/usb/mixer.c
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@ -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;