From c21bd0254371c207636e84c9e033d13a6fe48d43 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Mon, 8 Feb 2010 15:16:08 +0100
Subject: [PATCH] ALSA: hda - Merge HP mute-LED status callback on both IDT
 92HD7x and 8x codecs

Merge the mute-LED status callback function for both IDT 92HD7x and 8x
codecs to one function.  Also it's changed to check all DACs, and called
in the initialization to sync with the current status.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/hda/patch_sigmatel.c | 57 ++++++++++++++++++++----------------------
 1 file changed, 27 insertions(+), 30 deletions(-)

diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 39961879c41..ea254235470 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4363,6 +4363,12 @@ static int stac92xx_init(struct hda_codec *codec)
 		if (enable_pin_detect(codec, nid, STAC_PWR_EVENT))
 			stac_issue_unsol_event(codec, nid);
 	}
+
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	/* sync mute LED */
+	if (spec->gpio_led && codec->patch_ops.check_power_status)
+		codec->patch_ops.check_power_status(codec, 0x01);
+#endif	
 	if (spec->dac_list)
 		stac92xx_power_down(codec);
 	return 0;
@@ -4909,6 +4915,11 @@ static int stac92xx_resume(struct hda_codec *codec)
 			stac_issue_unsol_event(codec,
 					       spec->autocfg.line_out_pins[0]);
 	}
+#ifdef CONFIG_SND_HDA_POWER_SAVE
+	/* sync mute LED */
+	if (spec->gpio_led && codec->patch_ops.check_power_status)
+		codec->patch_ops.check_power_status(codec, 0x01);
+#endif	
 	return 0;
 }
 
@@ -4928,43 +4939,29 @@ static int stac92xx_hp_check_power_status(struct hda_codec *codec,
 					      hda_nid_t nid)
 {
 	struct sigmatel_spec *spec = codec->spec;
+	int i, muted = 1;
 
-	if (nid == 0x10) {
-		if (snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) &
-		    HDA_AMP_MUTE)
-			spec->gpio_data &= ~spec->gpio_led; /* orange */
-		else
-			spec->gpio_data |= spec->gpio_led; /* white */
-
-		if (!spec->gpio_led_polarity) {
-			/* LED state is inverted on these systems */
-			spec->gpio_data ^= spec->gpio_led;
+	for (i = 0; i < spec->multiout.num_dacs; i++) {
+		nid = spec->multiout.dac_nids[i];
+		if (!(snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) &
+		      HDA_AMP_MUTE)) {
+			muted = 0; /* something heard */
+			break;
 		}
-
-		stac_gpio_set(codec, spec->gpio_mask,
-			      spec->gpio_dir,
-			      spec->gpio_data);
 	}
+	if (muted)
+		spec->gpio_data &= ~spec->gpio_led; /* orange */
+	else
+		spec->gpio_data |= spec->gpio_led; /* white */
 
-	return 0;
-}
-
-static int idt92hd83xxx_hp_check_power_status(struct hda_codec *codec,
-					      hda_nid_t nid)
-{
-	struct sigmatel_spec *spec = codec->spec;
+	if (!spec->gpio_led_polarity) {
+		/* LED state is inverted on these systems */
+		spec->gpio_data ^= spec->gpio_led;
+	}
 
-	if (nid != 0x13)
-		return 0;
-	if (snd_hda_codec_amp_read(codec, nid, 0, HDA_OUTPUT, 0) & HDA_AMP_MUTE)
-		spec->gpio_data |= spec->gpio_led; /* mute LED on */
-	else
-		spec->gpio_data &= ~spec->gpio_led; /* mute LED off */
 	stac_gpio_set(codec, spec->gpio_mask, spec->gpio_dir, spec->gpio_data);
-
 	return 0;
 }
-
 #endif
 
 static int stac92xx_suspend(struct hda_codec *codec, pm_message_t state)
@@ -5361,7 +5358,7 @@ again:
 		spec->gpio_data |= spec->gpio_led;
 		/* register check_power_status callback. */
 		codec->patch_ops.check_power_status =
-			idt92hd83xxx_hp_check_power_status;
+			stac92xx_hp_check_power_status;
 	}
 #endif	
 
-- 
2.11.4.GIT