diff options
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h index 0ec9248165bc..17d425775c99 100644 --- a/sound/pci/hda/hda_local.h +++ b/sound/pci/hda/hda_local.h @@ -502,6 +502,44 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec, #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) #define PIN_HP_AMP (AC_PINCTL_HP_EN) +int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, + unsigned int val, bool cached); + +/** + * _snd_hda_set_pin_ctl - Set a pin-control value safely + * @codec: the codec instance + * @pin: the pin NID to set the control + * @val: the pin-control value (AC_PINCTL_* bits) + * + * This function sets the pin-control value to the given pin, but + * filters out the invalid pin-control bits when the pin has no such + * capabilities. For example, when PIN_HP is passed but the pin has no + * HP-drive capability, the HP bit is omitted. + * + * The function doesn't check the input VREF capability bits, though. + * Also, this function is only for analog pins, not for HDMI pins. + */ +static inline int +snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) +{ + return _snd_hda_set_pin_ctl(codec, pin, val, false); +} + +/** + * snd_hda_set_pin_ctl_cache - Set a pin-control value safely + * @codec: the codec instance + * @pin: the pin NID to set the control + * @val: the pin-control value (AC_PINCTL_* bits) + * + * Just like snd_hda_set_pin_ctl() but write to cache as well. + */ +static inline int +snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, + unsigned int val) +{ + return _snd_hda_set_pin_ctl(codec, pin, val, true); +} + /* * get widget capabilities */ |