diff options
| author | Pauli Virtanen <pav@iki.fi> | 2025-10-15 22:47:10 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2025-10-16 11:20:55 +0200 |
| commit | 9af61fc91486c7ba93cf1ec3bd381978cac8308c (patch) | |
| tree | 854c957c4066291543933c525f54a147a55a784e | |
| parent | 28412b489b088fb88dff488305fd4e56bd47f6e4 (diff) | |
ALSA: usb-audio: add volume quirks for MS LifeChat LX-3000
ID 045e:070f Microsoft Corp. LifeChat LX-3000 Headset
has muted minimum Speaker Playback Volume, and 4 amixer steps were
observed to produce 1 actual volume step.
Apply min_mute quirk and correct res=48 -> 4*48.
Tested with the device.
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
| -rw-r--r-- | sound/usb/mixer.c | 8 | ||||
| -rw-r--r-- | sound/usb/quirks.c | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index ae412e651faf..6f00e0d52382 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): diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index 43793a5c3f51..dac469a8d07a 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -2153,6 +2153,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = { DEVICE_FLG(0x045e, 0x083c, /* MS USB Link headset */ QUIRK_FLAG_GET_SAMPLE_RATE | QUIRK_FLAG_CTL_MSG_DELAY | QUIRK_FLAG_DISABLE_AUTOSUSPEND), + DEVICE_FLG(0x045e, 0x070f, /* MS LifeChat LX-3000 Headset */ + QUIRK_FLAG_MIXER_PLAYBACK_MIN_MUTE), DEVICE_FLG(0x046d, 0x0807, /* Logitech Webcam C500 */ QUIRK_FLAG_CTL_MSG_DELAY_1M | QUIRK_FLAG_MIC_RES_384), DEVICE_FLG(0x046d, 0x0808, /* Logitech Webcam C600 */ |