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authorEldad Zack <eldad@fogrefinery.com>2013-04-03 23:18:56 +0200
committerTakashi Iwai <tiwai@suse.de>2013-04-04 08:31:32 +0200
commitef02e29b0180ddbcc1ecf3c362e333c572f27c08 (patch)
tree2c645903e9fbff3996c5e32cb8993a86d9a6b0b4 /sound/usb/clock.c
parentALSA: usb-audio: UAC2: try to find and switch to valid clock (diff)
downloadlinux-ef02e29b0180ddbcc1ecf3c362e333c572f27c08.tar.xz
linux-ef02e29b0180ddbcc1ecf3c362e333c572f27c08.zip
ALSA: usb-audio: UAC2: auto clock selection module param
Add a module param to disable auto clock selection. This is provided for users that expect the audio stream to fail when the clock source is invalid (e.g., the word clock was unintentionally disconnected). Signed-off-by: Eldad Zack <eldad@fogrefinery.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/clock.c')
-rw-r--r--sound/usb/clock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/clock.c b/sound/usb/clock.c
index d7ab2d75aefd..e59d359b907c 100644
--- a/sound/usb/clock.c
+++ b/sound/usb/clock.c
@@ -217,7 +217,7 @@ static int __uac_clock_find_source(struct snd_usb_audio *chip,
cur = ret;
ret = __uac_clock_find_source(chip, selector->baCSourceID[ret - 1],
visited, validate);
- if (!validate || ret > 0)
+ if (!validate || ret > 0 || !chip->autoclock)
return ret;
/* The current clock source is invalid, try others. */