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authorTakashi Iwai <tiwai@suse.de>2009-07-26 11:07:08 +0200
committerTakashi Iwai <tiwai@suse.de>2009-07-26 11:07:08 +0200
commit57e4a5c4f8cfb4b198830c5400f9fc9eb7b75091 (patch)
tree9a1c443e005850710f48338948252ff08c1fed6e /sound/usb
parentb88158846f36374553a5915b7cb5a86540cf9762 (diff)
parent2cf313ee75ddf6220b5d623b749b1bb79458307f (diff)
Merge branch 'fix/usb-audio' into for-linus
* fix/usb-audio: ALSA: usb-audio - Volume control quirk for QuickCam E 3500
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/usbmixer.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 4bd3a7a0edc..ec9cdf98692 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -990,20 +990,35 @@ static void build_feature_ctl(struct mixer_build *state, unsigned char *desc,
break;
}
- /* quirk for UDA1321/N101 */
- /* note that detection between firmware 2.1.1.7 (N101) and later 2.1.1.21 */
- /* is not very clear from datasheets */
- /* I hope that the min value is -15360 for newer firmware --jk */
+ /* volume control quirks */
switch (state->chip->usb_id) {
case USB_ID(0x0471, 0x0101):
case USB_ID(0x0471, 0x0104):
case USB_ID(0x0471, 0x0105):
case USB_ID(0x0672, 0x1041):
+ /* quirk for UDA1321/N101.
+ * note that detection between firmware 2.1.1.7 (N101)
+ * and later 2.1.1.21 is not very clear from datasheets.
+ * I hope that the min value is -15360 for newer firmware --jk
+ */
if (!strcmp(kctl->id.name, "PCM Playback Volume") &&
cval->min == -15616) {
- snd_printk(KERN_INFO "using volume control quirk for the UDA1321/N101 chip\n");
+ snd_printk(KERN_INFO
+ "set volume quirk for UDA1321/N101 chip\n");
cval->max = -256;
}
+ break;
+
+ case USB_ID(0x046d, 0x09a4):
+ if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
+ snd_printk(KERN_INFO
+ "set volume quirk for QuickCam E3500\n");
+ cval->min = 6080;
+ cval->max = 8768;
+ cval->res = 192;
+ }
+ break;
+
}
snd_printdd(KERN_INFO "[%d] FU [%s] ch = %d, val = %d/%d/%d\n",