diff options
Diffstat (limited to 'sound/usb/mixer.c')
| -rw-r--r-- | sound/usb/mixer.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 34bcbfd8b54e..72b900505d2c 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1147,6 +1147,14 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, } break; + case USB_ID(0x045e, 0x070f): /* MS LifeChat LX-3000 Headset */ + if (!strcmp(kctl->id.name, "Speaker Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for MS LifeChat LX-3000\n"); + cval->res = 192; + } + break; + case USB_ID(0x0471, 0x0101): case USB_ID(0x0471, 0x0104): case USB_ID(0x0471, 0x0105): @@ -1189,6 +1197,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval, cval->min = -14208; /* Mute under it */ } break; + case USB_ID(0x12d1, 0x3a07): /* Huawei Technologies Co., Ltd. CM-Q3 */ + if (!strcmp(kctl->id.name, "PCM Playback Volume")) { + usb_audio_info(chip, + "set volume quirk for Huawei Technologies Co., Ltd. CM-Q3\n"); + cval->min = -11264; /* Mute under it */ + } + break; } } @@ -3071,6 +3086,8 @@ static int snd_usb_mixer_controls_badd(struct usb_mixer_interface *mixer, int i; assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; + if (!assoc) + return -EINVAL; /* Detect BADD capture/playback channels from AS EP descriptors */ for (i = 0; i < assoc->bInterfaceCount; i++) { |