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author | Ingo Molnar <mingo@elte.hu> | 2010-07-21 19:43:03 (GMT) |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-07-21 19:43:06 (GMT) |
commit | 9dcdbf7a33d9018ac5d45debcf261be648bdd56a (patch) | |
tree | bbcc1a018f11ff76cd7ce174ef3ffe2c02da07ee /sound/usb/mixer.c | |
parent | cc5edb0eb9ce892b530e34a5d110382483587942 (diff) | |
parent | cd5b8f8755a89a57fc8c408d284b8b613f090345 (diff) | |
download | linux-fsl-qoriq-9dcdbf7a33d9018ac5d45debcf261be648bdd56a.tar.xz |
Merge branch 'linus' into perf/core
Merge reason: Pick up the latest perf fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r-- | sound/usb/mixer.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 6939d0f5..736d134 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1107,6 +1107,19 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, } break; + case USB_ID(0x046d, 0x0809): + case USB_ID(0x046d, 0x0991): + /* Most audio usb devices lie about volume resolution. + * Most Logitech webcams have res = 384. + * Proboly there is some logitech magic behind this number --fishor + */ + if (!strcmp(kctl->id.name, "Mic Capture Volume")) { + snd_printk(KERN_INFO + "set resolution quirk: cval->res = 384\n"); + cval->res = 384; + } + break; + } snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n", |