ALSA: hda - Add GPIO-based LED support on HP desktop machines
The new HP desktop machines have Realtek codecs and their LEDs are
controlled via GPIO as for many laptop models. Add similar hooks as
well as in patch_sigmatel.c for controlling LEDs.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index e7b59d3..1bd2d49 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -85,6 +85,8 @@
int mute_led_polarity;
hda_nid_t mute_led_nid;
+ unsigned int gpio_led; /* used for alc269_fixup_hp_gpio_led() */
+
/* hooks */
void (*init_hook)(struct hda_codec *codec);
#ifdef CONFIG_PM
@@ -2741,6 +2743,60 @@
}
}
+/* turn on/off mute LED per vmaster hook */
+static void alc269_fixup_hp_gpio_mute_hook(void *private_data, int enabled)
+{
+ struct hda_codec *codec = private_data;
+ struct alc_spec *spec = codec->spec;
+ unsigned int oldval = spec->gpio_led;
+
+ if (enabled)
+ spec->gpio_led &= ~0x08;
+ else
+ spec->gpio_led |= 0x08;
+ if (spec->gpio_led != oldval)
+ snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
+ spec->gpio_led);
+}
+
+/* turn on/off mic-mute LED per capture hook */
+static void alc269_fixup_hp_gpio_mic_mute_hook(struct hda_codec *codec,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct alc_spec *spec = codec->spec;
+ unsigned int oldval = spec->gpio_led;
+
+ if (!ucontrol)
+ return;
+
+ if (ucontrol->value.integer.value[0] ||
+ ucontrol->value.integer.value[1])
+ spec->gpio_led &= ~0x10;
+ else
+ spec->gpio_led |= 0x10;
+ if (spec->gpio_led != oldval)
+ snd_hda_codec_write(codec, 0x01, 0, AC_VERB_SET_GPIO_DATA,
+ spec->gpio_led);
+}
+
+static void alc269_fixup_hp_gpio_led(struct hda_codec *codec,
+ const struct hda_fixup *fix, int action)
+{
+ struct alc_spec *spec = codec->spec;
+ static const struct hda_verb gpio_init[] = {
+ { 0x01, AC_VERB_SET_GPIO_MASK, 0x18 },
+ { 0x01, AC_VERB_SET_GPIO_DIRECTION, 0x18 },
+ {}
+ };
+
+ if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ spec->gen.vmaster_mute.hook = alc269_fixup_hp_gpio_mute_hook;
+ spec->gen.cap_sync_hook = alc269_fixup_hp_gpio_mic_mute_hook;
+ spec->gpio_led = 0;
+ snd_hda_add_verbs(codec, gpio_init);
+ }
+}
+
static void alc271_hp_gate_mic_jack(struct hda_codec *codec,
const struct hda_fixup *fix,
int action)
@@ -2776,6 +2832,7 @@
ALC269_FIXUP_HP_MUTE_LED,
ALC269_FIXUP_HP_MUTE_LED_MIC1,
ALC269_FIXUP_HP_MUTE_LED_MIC2,
+ ALC269_FIXUP_HP_GPIO_LED,
ALC269_FIXUP_INV_DMIC,
ALC269_FIXUP_LENOVO_DOCK,
ALC269_FIXUP_PINCFG_NO_HP_TO_LINEOUT,
@@ -2915,6 +2972,10 @@
.type = HDA_FIXUP_FUNC,
.v.func = alc269_fixup_hp_mute_led_mic2,
},
+ [ALC269_FIXUP_HP_GPIO_LED] = {
+ .type = HDA_FIXUP_FUNC,
+ .v.func = alc269_fixup_hp_gpio_led,
+ },
[ALC269_FIXUP_INV_DMIC] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_inv_dmic_0x12,
@@ -2955,6 +3016,7 @@
SND_PCI_QUIRK(0x1025, 0x029b, "Acer 1810TZ", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x1025, 0x0349, "Acer AOD260", ALC269_FIXUP_INV_DMIC),
SND_PCI_QUIRK(0x103c, 0x1586, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC2),
+ SND_PCI_QUIRK(0x103c, 0x18e6, "HP", ALC269_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x1973, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK(0x103c, 0x1983, "HP Pavilion", ALC269_FIXUP_HP_MUTE_LED_MIC1),
SND_PCI_QUIRK_VENDOR(0x103c, "HP", ALC269_FIXUP_HP_MUTE_LED),
@@ -3047,6 +3109,7 @@
{.id = ALC271_FIXUP_DMIC, .name = "alc271-dmic"},
{.id = ALC269_FIXUP_INV_DMIC, .name = "inv-dmic"},
{.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"},
+ {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"},
{}
};