diff options
| author | Takashi Iwai <tiwai@suse.de> | 2009-12-21 11:21:15 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-12-21 11:21:15 +0100 |
| commit | de8853bc38ceab1fa7e7f723b21430d4aad60fea (patch) | |
| tree | 5084ef51866fd1767324f8dc8eb36e97c55350f5 /sound/usb/usbmixer.c | |
| parent | f5de24b06aa46427500d0fdbe8616b73a71d8c28 (diff) | |
| parent | 440b004cf953bec2bc8cd91c64ae707fd7e25327 (diff) | |
Merge remote branch 'alsa/fixes' into fix/hda
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 |