Commit 284a8dd6 authored by Mark Hills's avatar Mark Hills Committed by Takashi Iwai
Browse files

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: default avatarMark Hills <mark@pogo.org.uk>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 507230c9
...@@ -1388,7 +1388,7 @@ static int parse_audio_mixer_unit(struct mixer_build *state, int unitid, void *r ...@@ -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++) { for (pin = 0; pin < input_pins; pin++) {
err = parse_audio_unit(state, desc->baSourceID[pin]); err = parse_audio_unit(state, desc->baSourceID[pin]);
if (err < 0) if (err < 0)
return err; continue;
err = check_input_term(state, desc->baSourceID[pin], &iterm); err = check_input_term(state, desc->baSourceID[pin], &iterm);
if (err < 0) if (err < 0)
return err; return err;
......
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