[PATCH 4.2.y-ckt 091/218] ALSA: hda - Apply reboot D3 fix for CX20724 codec, too

From: Kamal Mostafa
Date: Thu Mar 31 2016 - 16:58:24 EST


4.2.8-ckt7 -stable review patch. If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Takashi Iwai <tiwai@xxxxxxx>

commit 56dc66ff1c6d71f9a38c4a7c000b72b921fe4c89 upstream.

Just like CX20722, CX7024 codec also requires the power down at reboot
in order to reduce the noise at reboot/shutdown.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=113511
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
sound/pci/hda/patch_conexant.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 2f0ec7c..ae2a8da 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -204,8 +204,13 @@ static void cx_auto_reboot_notify(struct hda_codec *codec)
{
struct conexant_spec *spec = codec->spec;

- if (codec->core.vendor_id != 0x14f150f2)
+ switch (codec->core.vendor_id) {
+ case 0x14f150f2: /* CX20722 */
+ case 0x14f150f4: /* CX20724 */
+ break;
+ default:
return;
+ }

/* Turn the CX20722 codec into D3 to avoid spurious noises
from the internal speaker during (and after) reboot */
--
2.7.4