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authorKailang Yang <kailang@realtek.com>2017-11-08 15:28:33 +0800
committerTakashi Iwai <tiwai@suse.de>2017-11-15 18:00:19 +0100
commit3aabf94c2d95fe465d5fa8590113d1c1f7d8333d (patch)
tree7b740843e061799aba0cd52dbdd6986b8929b421 /sound/pci/hda
parentf38736c3c681985d9eddf2d8d19148df089cbd8e (diff)
downloadlinux-3aabf94c2d95fe465d5fa8590113d1c1f7d8333d.tar.bz2
ALSA: hda/realtek - Fix ALC275 no sound issue
Sound works after a cold boot but not after a reboot from windows. This patch will solve this issue. This is relation with Class-D power control. [ The bug was reported in Bugzilla below for Sony VAIO SVS13A1C5E -- tiwai] Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=197737 Cc: <stable@vger.kernel.org> Signed-off-by: Kailang Yang <kailang@realtek.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda')
-rw-r--r--sound/pci/hda/patch_realtek.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index db1a376e27c0..1797110cb096 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -341,6 +341,9 @@ static void alc_fill_eapd_coef(struct hda_codec *codec)
case 0x10ec0299:
alc_update_coef_idx(codec, 0x10, 1<<9, 0);
break;
+ case 0x10ec0275:
+ alc_update_coef_idx(codec, 0xe, 0, 1<<0);
+ break;
case 0x10ec0293:
alc_update_coef_idx(codec, 0xa, 1<<13, 0);
break;