ALSA: hda - Fix GPIO LED setup for IDT 92HD75 codecs

[pandora-kernel.git] / sound / pci / hda / patch_sigmatel.c

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index f365865..e035cf6 100644 (file)
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -215,6 +215,7 @@ struct sigmatel_spec {
        unsigned int gpio_mute;
        unsigned int gpio_led;
        unsigned int gpio_led_polarity;
+       unsigned int vref_mute_led_nid; /* pin NID for mute-LED vref control */
        unsigned int vref_led;
 
        /* stream */
@@ -4318,12 +4319,10 @@ static void stac_store_hints(struct hda_codec *codec)
                spec->eapd_switch = val;
        get_int_hint(codec, "gpio_led_polarity", &spec->gpio_led_polarity);
        if (get_int_hint(codec, "gpio_led", &spec->gpio_led)) {
-               if (spec->gpio_led <= 8) {
-                       spec->gpio_mask |= spec->gpio_led;
-                       spec->gpio_dir |= spec->gpio_led;
-                       if (spec->gpio_led_polarity)
-                               spec->gpio_data |= spec->gpio_led;
-               }
+               spec->gpio_mask |= spec->gpio_led;
+               spec->gpio_dir |= spec->gpio_led;
+               if (spec->gpio_led_polarity)
+                       spec->gpio_data |= spec->gpio_led;
        }
 }
 
@@ -4913,8 +4912,14 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
                        if (sscanf(dev->name, "HP_Mute_LED_%d_%x",
                                  &spec->gpio_led_polarity,
                                  &spec->gpio_led) == 2) {
-                               if (spec->gpio_led < 4)
+                               unsigned int max_gpio;
+                               max_gpio = snd_hda_param_read(codec, codec->afg,
+                                                             AC_PAR_GPIO_CAP);
+                               max_gpio &= AC_GPIO_IO_COUNT;
+                               if (spec->gpio_led < max_gpio)
                                        spec->gpio_led = 1 << spec->gpio_led;
+                               else
+                                       spec->vref_mute_led_nid = spec->gpio_led;
                                return 1;
                        }
                        if (sscanf(dev->name, "HP_Mute_LED_%d",
@@ -5043,15 +5048,12 @@ static int stac92xx_pre_resume(struct hda_codec *codec)
        struct sigmatel_spec *spec = codec->spec;
 
        /* sync mute LED */
-       if (spec->gpio_led) {
-               if (spec->gpio_led <= 8) {
-                       stac_gpio_set(codec, spec->gpio_mask,
-                                       spec->gpio_dir, spec->gpio_data);
-               } else {
-                       stac_vrefout_set(codec,
-                                       spec->gpio_led, spec->vref_led);
-               }
-       }
+       if (spec->vref_mute_led_nid)
+               stac_vrefout_set(codec, spec->vref_mute_led_nid,
+                                spec->vref_led);
+       else if (spec->gpio_led)
+               stac_gpio_set(codec, spec->gpio_mask,
+                             spec->gpio_dir, spec->gpio_data);
        return 0;
 }
 
@@ -5076,7 +5078,7 @@ static void stac92xx_set_power_state(struct hda_codec *codec, hda_nid_t fg,
        struct sigmatel_spec *spec = codec->spec;
 
        if (power_state == AC_PWRST_D3) {
-               if (spec->gpio_led > 8) {
+               if (spec->vref_mute_led_nid) {
                        /* with vref-out pin used for mute led control
                         * codec AFG is prevented from D3 state
                         */
@@ -5129,7 +5131,7 @@ static int stac92xx_update_led_status(struct hda_codec *codec)
                }
        }
        /*polarity defines *not* muted state level*/
-       if (spec->gpio_led <= 8) {
+       if (!spec->vref_mute_led_nid) {
                if (muted)
                        spec->gpio_data &= ~spec->gpio_led; /* orange */
                else
@@ -5147,7 +5149,8 @@ static int stac92xx_update_led_status(struct hda_codec *codec)
                muted_lvl = spec->gpio_led_polarity ?
                                AC_PINCTL_VREF_GRD : AC_PINCTL_VREF_HIZ;
                spec->vref_led = muted ? muted_lvl : notmtd_lvl;
-               stac_vrefout_set(codec, spec->gpio_led, spec->vref_led);
+               stac_vrefout_set(codec, spec->vref_mute_led_nid,
+                                spec->vref_led);
        }
        return 0;
 }
@@ -5661,7 +5664,7 @@ again:
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        if (spec->gpio_led) {
-               if (spec->gpio_led <= 8) {
+               if (!spec->vref_mute_led_nid) {
                        spec->gpio_mask |= spec->gpio_led;
                        spec->gpio_dir |= spec->gpio_led;
                        spec->gpio_data |= spec->gpio_led;
@@ -5976,7 +5979,7 @@ again:
 
 #ifdef CONFIG_SND_HDA_POWER_SAVE
        if (spec->gpio_led) {
-               if (spec->gpio_led <= 8) {
+               if (!spec->vref_mute_led_nid) {
                        spec->gpio_mask |= spec->gpio_led;
                        spec->gpio_dir |= spec->gpio_led;
                        spec->gpio_data |= spec->gpio_led;