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authorDave Airlie <airlied@redhat.com>2010-08-02 10:05:18 +1000
committerDave Airlie <airlied@redhat.com>2010-08-02 10:05:24 +1000
commitd656ae53f64cb0f01dac8a02c4d31453d64ef97c (patch)
treecf641d4e5828b8f7c430b42657237c5daf9571fd /sound/usb/mixer.c
parent167ffc44caaee68ea60dadf6931a4d195a4ed1f0 (diff)
parentb37fa16e78d6f9790462b3181602a26b5af36260 (diff)
Merge tag 'v2.6.35-rc6' into drm-radeon-next
Need this to avoid conflicts with future radeon fixes
Diffstat (limited to 'sound/usb/mixer.c')
-rw-r--r--sound/usb/mixer.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 6939d0f517d9b..736d134cc03c5 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",