| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.4 112/210] ALSA: hda - Apply reboot D3 fix for CX20724 codec, too | Date | Sun, 10 Apr 2016 11:35:33 -0700 |
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4.4-stable review patch. If anyone has any objections, please let me know.
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From: Takashi Iwai <tiwai@suse.de>
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@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- sound/pci/hda/patch_conexant.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
--- 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 { 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 */
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