diff options
author | Takashi Iwai <tiwai@suse.de> | 2009-12-22 11:56:32 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2009-12-22 11:56:32 +0100 |
commit | 75d1aeb9d6899b10420d10284e8ea894b2794224 (patch) | |
tree | 91ef92451d09dcbecabc035fb174779f429de177 /sound/pci/hda/patch_sigmatel.c | |
parent | 0c2fd1bf4c6cb6095d8b3088d285167e66c12147 (diff) | |
download | op-kernel-dev-75d1aeb9d6899b10420d10284e8ea894b2794224.zip op-kernel-dev-75d1aeb9d6899b10420d10284e8ea894b2794224.tar.gz |
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>
Diffstat (limited to 'sound/pci/hda/patch_sigmatel.c')
-rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 0bafea9..a4526d0 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -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; |