[SRU][Artful][OEM][PATCH 2/2] ALSA: hda/realtek - Fix speaker no sound after system resume
Hui Wang
hui.wang at canonical.com
Mon Mar 26 07:45:09 UTC 2018
From: Kailang Yang <kailang at realtek.com>
BugLink: https://bugs.launchpad.net/bugs/1758829
It will have a chance speaker no sound after system resume.
To toggle NID 0x53 index 0x2 bit 15 will solve this issue.
This usage will also suitable with ALC256.
Fixes: 4a219ef8f370 ("ALSA: hda/realtek - Add ALC256 HP depop function")
Signed-off-by: Kailang Yang <kailang at realtek.com>
Cc: <stable at vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
(cherry picked from commit 88d42b2b45d7208cc872c2c9dec0b1ae6c6008d7)
Signed-off-by: Hui Wang <hui.wang at canonical.com>
---
sound/pci/hda/patch_realtek.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 9ce42a1..911e4d2 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3102,6 +3102,8 @@ static void alc256_init(struct hda_codec *codec)
alc_update_coef_idx(codec, 0x46, 3 << 12, 0);
alc_update_coefex_idx(codec, 0x57, 0x04, 0x0007, 0x4); /* Hight power */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 1 << 15); /* Clear bit */
+ alc_update_coefex_idx(codec, 0x53, 0x02, 0x8000, 0 << 15);
}
static void alc256_shutup(struct hda_codec *codec)
@@ -6837,6 +6839,8 @@ static int patch_alc269(struct hda_codec *codec)
break;
case 0x10ec0257:
spec->codec_variant = ALC269_TYPE_ALC257;
+ spec->shutup = alc256_shutup;
+ spec->init_hook = alc256_init;
spec->gen.mixer_nid = 0;
break;
case 0x10ec0215:
--
2.7.4
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