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Commit 75d1aeb9 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add Bass Speaker switch for HP dv7 



The bass speaker is controlled via GPIO5.

Tested-by: default avatarWael Nasreddine <mla@nasreddine.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 0c2fd1bf

sound/pci/hda/patch_sigmatel.c

+57 −0
Original line number Diff line number Diff line
@@ -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;