ALSA: hda - Enable runtime PM on Panther Point

Now we fixed the long-standing bugs of runtime PM, let's enable
Panther Point again.  The runtime PM was disabled in the HDMI codec
driver due to the S3 issue, and this should have been fixed now.

Signed-off-by: Takashi Iwai <[email protected]>

Author: tiwai

sound/pci/hda/hda_intel.c

@@ -3978,7 +3978,7 @@ static DEFINE_PCI_DEVICE_TABLE(azx_ids) = {
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
 	/* Panther Point */
 	{ PCI_DEVICE(0x8086, 0x1e20),
-	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH_NOPM },
+	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },
 	/* Lynx Point */
 	{ PCI_DEVICE(0x8086, 0x8c20),
 	  .driver_data = AZX_DRIVER_PCH | AZX_DCAPS_INTEL_PCH },

sound/pci/hda/patch_hdmi.c

@@ -1693,16 +1693,12 @@ static int hdmi_parse_codec(struct hda_codec *codec)
 	}
 
 #ifdef CONFIG_PM
-	/* We're seeing some problems with unsolicited hot plug events on
-	 * PantherPoint after S3, if this is not enabled */
-	if (codec->vendor_id == 0x80862806)
-		codec->bus->power_keep_link_on = 1;
 	/*
 	 * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
 	 * can be lost and presence sense verb will become inaccurate if the
 	 * HDA link is powered off at hot plug or hw initialization time.
 	 */
-	else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
+	if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
 	      AC_PWRST_EPSS))
 		codec->bus->power_keep_link_on = 1;
 #endif