mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-10-04 08:08:54 +00:00
Code Issues Releases Wiki Activity

ALSA: hda - Enable runtime PM on Panther Point

Browse source 
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 <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-11-22 12:43:25 +01:00
parent a40e0a880b
commit b1920c2110
2 changed files with 2 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
sound/pci/hda/hda_intel.c
View file

@ -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 },

6
sound/pci/hda/patch_hdmi.c
View file

@ -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