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authorHui Wang <hui.wang@canonical.com>2019-08-14 12:09:07 +0800
committerTakashi Iwai <tiwai@suse.de>2019-08-14 08:38:16 +0200
commit401714d9534aad8c24196b32600da683116bbe09 (patch)
treefdbcb34b780d6830543d624475abd3e66ee4de5e /sound
parent190d03814eb3b49d4f87ff38fef26d36f3568a60 (diff)
ALSA: hda - Let all conexant codec enter D3 when rebooting
We have 3 new lenovo laptops which have conexant codec 0x14f11f86, these 3 laptops also have the noise issue when rebooting, after letting the codec enter D3 before rebooting or poweroff, the noise disappers. Instead of adding a new ID again in the reboot_notify(), let us make this function apply to all conexant codec. In theory make codec enter D3 before rebooting or poweroff is harmless, and I tested this change on a couple of other Lenovo laptops which have different conexant codecs, there is no side effect so far. Cc: stable@vger.kernel.org Signed-off-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_conexant.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index f299f137eaea..93a303676aea 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -163,15 +163,6 @@ static void cx_auto_reboot_notify(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;
- switch (codec->core.vendor_id) {
- case 0x14f12008: /* CX8200 */
- case 0x14f150f2: /* CX20722 */
- case 0x14f150f4: /* CX20724 */
- break;
- default:
- return;
- }
-
/* Turn the problematic codec into D3 to avoid spurious noises
from the internal speaker during (and after) reboot */
cx_auto_turn_eapd(codec, spec->num_eapds, spec->eapds, false);