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authorTakashi Iwai <tiwai@suse.de>2010-07-08 16:55:26 +0200
committerTakashi Iwai <tiwai@suse.de>2010-07-08 16:55:26 +0200
commit7645054f181404e6a28c616b307c4d2562423a50 (patch)
treebcc8f969dc6f0f6e2a4acede51db5dd436a06403
parentb492c4e8954d54f806875c149bbcafaa7ede7ada (diff)
parenta5c7d797dcce3be5e77cd6ea62cc4920ededc32b (diff)
downloadlinux-linaro-7645054f181404e6a28c616b307c4d2562423a50.tar.gz
Merge branch 'fix/misc' into for-linus
-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 6939d0f517d..736d134cc03 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",