diff options
| -rw-r--r-- | sound/usb/mixer.c | 2 | ||||
| -rw-r--r-- | sound/usb/mixer_quirks.c | 34 | ||||
| -rw-r--r-- | sound/usb/mixer_quirks.h | 4 |
3 files changed, 40 insertions, 0 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 344d7b069d59..76fabc4b72b5 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -2948,6 +2948,8 @@ int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume) } } + snd_usb_mixer_resume_quirk(mixer); + return snd_usb_mixer_activate(mixer); } #endif diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c index 56537a156580..4377374affd3 100644 --- a/sound/usb/mixer_quirks.c +++ b/sound/usb/mixer_quirks.c @@ -1799,6 +1799,26 @@ static int snd_soundblaster_e1_switch_create(struct usb_mixer_interface *mixer) NULL); } +static void dell_dock_init_vol(struct snd_usb_audio *chip, int ch, int id) +{ + u16 buf = 0; + + snd_usb_ctl_msg(chip->dev, usb_sndctrlpipe(chip->dev, 0), UAC_SET_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT, + ch, snd_usb_ctrl_intf(chip) | (id << 8), + &buf, 2); +} + +static int dell_dock_mixer_init(struct usb_mixer_interface *mixer) +{ + /* fix to 0dB playback volumes */ + dell_dock_init_vol(mixer->chip, 1, 16); + dell_dock_init_vol(mixer->chip, 2, 16); + dell_dock_init_vol(mixer->chip, 1, 19); + dell_dock_init_vol(mixer->chip, 2, 19); + return 0; +} + int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) { int err = 0; @@ -1884,11 +1904,25 @@ int snd_usb_mixer_apply_create_quirk(struct usb_mixer_interface *mixer) case USB_ID(0x041e, 0x323b): /* Creative Sound Blaster E1 */ err = snd_soundblaster_e1_switch_create(mixer); break; + case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ + err = dell_dock_mixer_init(mixer); + break; } return err; } +#ifdef CONFIG_PM +void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer) +{ + switch (mixer->chip->usb_id) { + case USB_ID(0x0bda, 0x4014): /* Dell WD15 dock */ + dell_dock_mixer_init(mixer); + break; + } +} +#endif + void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer, int unitid) { diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h index b5abd328a361..52be26db558f 100644 --- a/sound/usb/mixer_quirks.h +++ b/sound/usb/mixer_quirks.h @@ -14,5 +14,9 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer, struct usb_mixer_elem_info *cval, int unitid, struct snd_kcontrol *kctl); +#ifdef CONFIG_PM +void snd_usb_mixer_resume_quirk(struct usb_mixer_interface *mixer); +#endif + #endif /* SND_USB_MIXER_QUIRKS_H */ |