Merge branch 'devfreq-for-next' of git://git.infradead.org/users/kmpark/linux-samsung into pm-devfreq

* 'devfreq-for-next' of git://git.infradead.org/users/kmpark/linux-samsung: (765 commits)
  PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
  pci: Fix hotplug of Express Module with pci bridges
  i2c-eg20t: correct the driver init order of pch_i2c_probe()
  I2C: OMAP: fix FIFO usage for OMAP4
  i2c-s3c2410: Fix return code of s3c24xx_i2c_parse_dt_gpio
  i2c: i2c-s3c2410: Add a cpu_relax() to busy wait for bus idle
  Linux 3.2-rc6
  Revert "drm/i915: fix infinite recursion on unbind due to ilk vt-d w/a"
  btrfs: lower the dirty balance poll interval
  drm/i915/dp: Dither down to 6bpc if it makes the mode fit
  drm/i915: enable semaphores on per-device defaults
  drm/i915: don't set unpin_work if vblank_get fails
  drm/i915: By default, enable RC6 on IVB and SNB when reasonable
  iommu: Export intel_iommu_enabled to signal when iommu is in use
  drm/i915/sdvo: Include LVDS panels for the IS_DIGITAL check
  drm/i915: prevent division by zero when asking for chipset power
  drm/i915: add PCH info to i915_capabilities
  drm/i915: set the right SDVO transcoder for CPT
  drm/i915: no-lvds quirk for ASUS AT5NM10T-I
  sched: Fix select_idle_sibling() regression in selecting an idle SMT sibling
  ...

1 files changed, 35 insertions, 40 deletions

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 470f6f286e81..616678fde486 100644
--- 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 */
@@ -1641,6 +1642,8 @@ static const struct snd_pci_quirk stac92hd73xx_codec_id_cfg_tbl[] = {
 		      "Alienware M17x", STAC_ALIENWARE_M17X),
 	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x043a,
 		      "Alienware M17x", STAC_ALIENWARE_M17X),
+	SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x0490,
+		      "Alienware M17x", STAC_ALIENWARE_M17X),
 	{} /* terminator */
 };
 
@@ -4316,12 +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;
 	}
 }
 
@@ -4439,7 +4440,9 @@ static int stac92xx_init(struct hda_codec *codec)
 		int pinctl, def_conf;
 
 		/* power on when no jack detection is available */
-		if (!spec->hp_detect) {
+		/* or when the VREF is used for controlling LED */
+		if (!spec->hp_detect ||
+		    spec->vref_mute_led_nid == nid) {
 			stac_toggle_power_map(codec, nid, 1);
 			continue;
 		}
@@ -4911,8 +4914,14 @@ 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",
@@ -4920,6 +4929,12 @@ static int find_mute_led_gpio(struct hda_codec *codec, int default_polarity)
 				set_hp_led_gpio(codec);
 				return 1;
 			}
+			/* BIOS bug: unfilled OEM string */
+			if (strstr(dev->name, "HP_Mute_LED_P_G")) {
+				set_hp_led_gpio(codec);
+				spec->gpio_led_polarity = 1;
+				return 1;
+			}
 		}
 
 		/*
@@ -5041,29 +5056,12 @@ 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);
-		}
-	}
-	return 0;
-}
-
-static int stac92xx_post_suspend(struct hda_codec *codec)
-{
-	struct sigmatel_spec *spec = codec->spec;
-	if (spec->gpio_led > 8) {
-		/* with vref-out pin used for mute led control
-		 * codec AFG is prevented from D3 state, but on
-		 * system suspend it can (and should) be used
-		 */
-		snd_hda_codec_read(codec, codec->afg, 0,
-				AC_VERB_SET_POWER_STATE, AC_PWRST_D3);
-	}
+	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;
 }
 
@@ -5074,7 +5072,7 @@ 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
 			 */
@@ -5127,7 +5125,7 @@ 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
@@ -5145,7 +5143,8 @@ 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;
 }
@@ -5659,15 +5658,13 @@ 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;
 		} else {
 			codec->patch_ops.set_power_state =
 					stac92xx_set_power_state;
-			codec->patch_ops.post_suspend =
-					stac92xx_post_suspend;
 		}
 		codec->patch_ops.pre_resume = stac92xx_pre_resume;
 		codec->patch_ops.check_power_status =
@@ -5974,15 +5971,13 @@ 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;
 		} else {
 			codec->patch_ops.set_power_state =
 					stac92xx_set_power_state;
-			codec->patch_ops.post_suspend =
-					stac92xx_post_suspend;
 		}
 		codec->patch_ops.pre_resume = stac92xx_pre_resume;
 		codec->patch_ops.check_power_status =