This is a note to let you know that I've just added the patch titled
ALSA: hda/via - Disable broken dynamic power control
to the 3.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
alsa-hda-via-disable-broken-dynamic-power-control.patch
and it can be found in the queue-3.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 087c2e3b4e062573dbbc8a50b9208992e3768dcf Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@xxxxxxx>
Date: Fri, 31 May 2013 13:54:10 +0200
Subject: ALSA: hda/via - Disable broken dynamic power control
From: Takashi Iwai <tiwai@xxxxxxx>
commit 087c2e3b4e062573dbbc8a50b9208992e3768dcf upstream.
Since the transition to the generic parser, the actual routes used
there don't match always with the assumed static paths in some
set_widgets_power_state callbacks. This results in the wrong power
setup in the end. As a temporary workaround, we need to disable the
calls together with the non-functional dynamic power control enum.
Reported-by: Alex Riesen <raa.lkml@xxxxxxxxx>
Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
sound/pci/hda/patch_via.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -231,9 +231,14 @@ static void vt1708_update_hp_work(struct
static void set_widgets_power_state(struct hda_codec *codec)
{
+#if 0 /* FIXME: the assumed connections don't match always with the
+ * actual routes by the generic parser, so better to disable
+ * the control for safety.
+ */
struct via_spec *spec = codec->spec;
if (spec->set_widgets_power_state)
spec->set_widgets_power_state(codec);
+#endif
}
static void update_power_state(struct hda_codec *codec, hda_nid_t nid,
Patches currently in stable-queue which might be from tiwai@xxxxxxx are
queue-3.9/alsa-hda-add-keep_eapd_on-flag-to-generic-parser.patch
queue-3.9/alsa-hda-via-disable-broken-dynamic-power-control.patch
queue-3.9/alsa-usb-audio-fix-roland-cakewalk-um-3g-support.patch
queue-3.9/alsa-hda-allow-setting-automute-automic-hooks-after-parsing.patch
queue-3.9/alsa-usb-audio-apply-logitech-quickcam-pro-9000-quirk-only-to-audio-iface.patch
queue-3.9/alsa-hda-via-fix-wrongly-cleared-pins-after-suspend-on.patch
queue-3.9/alsa-usb-audio-fix-invalid-volume-resolution-on-logitech-hd-webcam-c270.patch
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