ALSA: hda - Drop bus->avoid_link_reset flag

Use bus->power_keep_link_on instead.  The controller shouldn't go to
D3 when the link isn't reset, so essentially avoiding the link reset
means avoiding the runtime PM.
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.h

@@ -698,7 +698,6 @@ struct hda_bus {
 	unsigned int in_reset:1;	/* during reset operation */
 	unsigned int power_keep_link_on:1; /* don't power off HDA link */
 	unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
-	unsigned int avoid_link_reset:1; /* don't reset link at runtime PM */
 
 	int primary_dig_out_type;	/* primary digital out PCM type */
 };

sound/pci/hda/hda_intel.c

@@ -2994,8 +2994,7 @@ static int azx_runtime_suspend(struct device *dev)
 		  STATESTS_INT_MASK);
 
 	azx_stop_chip(chip);
-	if (!chip->bus->avoid_link_reset)
-		azx_enter_link_reset(chip);
+	azx_enter_link_reset(chip);
 	azx_clear_irq_pending(chip);
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
 		hda_display_power(false);

sound/pci/hda/patch_sigmatel.c

@@ -2094,7 +2094,8 @@ static void stac92hd83xxx_fixup_hp_mic_led(struct hda_codec *codec,
 
 	if (action == HDA_FIXUP_ACT_PRE_PROBE) {
 		spec->mic_mute_led_gpio = 0x08; /* GPIO3 */
-		codec->bus->avoid_link_reset = 1;
+		/* resetting controller clears GPIO, so we need to keep on */
+		codec->bus->power_keep_link_on = 1;
 	}
 }