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Diffstat (limited to 'kernel/sound/usb/mixer_maps.c')
| -rw-r--r-- | kernel/sound/usb/mixer_maps.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/kernel/sound/usb/mixer_maps.c b/kernel/sound/usb/mixer_maps.c index ddca65473..1f8fb0d90 100644 --- a/kernel/sound/usb/mixer_maps.c +++ b/kernel/sound/usb/mixer_maps.c @@ -349,6 +349,16 @@ static struct usbmix_name_map bose_companion5_map[] = { }; /* + * Dell usb dock with ALC4020 codec had a firmware problem where it got + * screwed up when zero volume is passed; just skip it as a workaround + */ +static const struct usbmix_name_map dell_alc4020_map[] = { + { 16, NULL }, + { 19, NULL }, + { 0 } +}; + +/* * Control map entries */ @@ -431,6 +441,10 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = { .map = aureon_51_2_map, }, { + .id = USB_ID(0x0bda, 0x4014), + .map = dell_alc4020_map, + }, + { .id = USB_ID(0x0dba, 0x1000), .map = mbox1_map, }, |