diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-12-26 14:52:54 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-12-26 14:52:54 +0000 |
| commit | 7f50548abb5454bd82c25aae15f0a3bf6a530f46 (patch) | |
| tree | 175b5d695437151f0f9f778ad8eb7f274468842f /sound/usb/usbmixer.c | |
| parent | b3172f222ab5afdc91ea058bd11c42cf169728f3 (diff) | |
| parent | 6b7b284958d47b77d06745b36bc7f36dab769d9b (diff) | |
Merge commit 'v2.6.33-rc2' into for-2.6.33
Diffstat (limited to 'sound/usb/usbmixer.c')
| -rw-r--r-- | sound/usb/usbmixer.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c index 9efcfd08d74..c998220b99c 100644 --- a/sound/usb/usbmixer.c +++ b/sound/usb/usbmixer.c @@ -1071,6 +1071,15 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, unsig channels = (ftr[0] - 7) / csize - 1; master_bits = snd_usb_combine_bytes(ftr + 6, csize); + /* master configuration quirks */ + switch (state->chip->usb_id) { + case USB_ID(0x08bb, 0x2702): + snd_printk(KERN_INFO + "usbmixer: master volume quirk for PCM2702 chip\n"); + /* disable non-functional volume control */ + master_bits &= ~(1 << (USB_FEATURE_VOLUME - 1)); + break; + } if (channels > 0) first_ch_bits = snd_usb_combine_bytes(ftr + 6 + csize, csize); else |