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authorTakashi Iwai <tiwai@suse.de>2009-12-22 11:56:32 +0100
committerTakashi Iwai <tiwai@suse.de>2009-12-22 11:56:32 +0100
commit75d1aeb9d6899b10420d10284e8ea894b2794224 (patch)
tree91ef92451d09dcbecabc035fb174779f429de177 /sound
parent0c2fd1bf4c6cb6095d8b3088d285167e66c12147 (diff)
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')
-rw-r--r--sound/pci/hda/patch_sigmatel.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 0bafea9d510..a4526d00804 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;