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ALSA: hda - Add Bass Speaker switch for HP dv7 

The bass speaker is controlled via GPIO5.

Tested-by: Wael Nasreddine <mla@nasreddine.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-12-22 11:56:32 +01:00
parent 0c2fd1bf4c
commit 75d1aeb9d6
1 changed files with 57 additions and 0 deletions
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57
sound/pci/hda/patch_sigmatel.c
View File

@ -5402,6 +5402,54 @@ static int stac92hd71bxx_connected_smuxes(struct hda_codec *codec,
return 0;
}
/* HP dv7 bass switch - GPIO5 */
#define stac_hp_bass_gpio_info snd_ctl_boolean_mono_info
static int stac_hp_bass_gpio_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct sigmatel_spec *spec = codec->spec;
ucontrol->value.integer.value[0] = !!(spec->gpio_data & 0x20);
return 0;
}
static int stac_hp_bass_gpio_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
struct sigmatel_spec *spec = codec->spec;
unsigned int gpio_data;
gpio_data = (spec->gpio_data & ~0x20) |
(ucontrol->value.integer.value[0] ? 0x20 : 0);
if (gpio_data == spec->gpio_data)
return 0;
spec->gpio_data = gpio_data;
stac_gpio_set(codec, spec->gpio_mask, spec->gpio_dir, spec->gpio_data);
return 1;
}
static struct snd_kcontrol_new stac_hp_bass_sw_ctrl = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
.info = stac_hp_bass_gpio_info,
.get = stac_hp_bass_gpio_get,
.put = stac_hp_bass_gpio_put,
};
static int stac_add_hp_bass_switch(struct hda_codec *codec)
{
struct sigmatel_spec *spec = codec->spec;
if (!stac_control_new(spec, &stac_hp_bass_sw_ctrl,
"Bass Speaker Playback Switch", 0))
return -ENOMEM;
spec->gpio_mask |= 0x20;
spec->gpio_dir |= 0x20;
spec->gpio_data |= 0x20;
return 0;
}
static int patch_stac92hd71bxx(struct hda_codec *codec)
{
struct sigmatel_spec *spec;
@ -5642,6 +5690,15 @@ again:
return err;
}
/* enable bass on HP dv7 */
if (spec->board_config == STAC_HP_DV5) {
unsigned int cap;
cap = snd_hda_param_read(codec, 0x1, AC_PAR_GPIO_CAP);
cap &= AC_GPIO_IO_COUNT;
if (cap >= 6)
stac_add_hp_bass_switch(codec);
}
codec->proc_widget_hook = stac92hd7x_proc_hook;
return 0;