diff options
Diffstat (limited to 'libre/linux-libre/alsa-powersave-3.5.x.patch')
| -rw-r--r-- | libre/linux-libre/alsa-powersave-3.5.x.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libre/linux-libre/alsa-powersave-3.5.x.patch b/libre/linux-libre/alsa-powersave-3.5.x.patch new file mode 100644 index 000000000..189fd1ceb --- /dev/null +++ b/libre/linux-libre/alsa-powersave-3.5.x.patch @@ -0,0 +1,29 @@ +From: Takashi Iwai <tiwai@suse.de> +Date: Mon, 20 Aug 2012 19:25:22 +0000 (+0200) +Subject: ALSA: hda - Fix leftover codec->power_transition +X-Git-Tag: v3.6-rc3~14^2~1 +X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git;a=commitdiff_plain;h=535b6c51fe8293c88ce919cdfc4390c67a1cb6d1 + +ALSA: hda - Fix leftover codec->power_transition + +When the codec turn-on operation is canceled by the immediate +power-on, the driver left the power_transition flag as is. +This caused the persistent avoidance of power-save behavior. + +Cc: <stable@vger.kernel.org> [v3.5+] +Signed-off-by: Takashi Iwai <tiwai@suse.de> +--- + +diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c +index c3077d5..f560051 100644 +--- a/sound/pci/hda/hda_codec.c ++++ b/sound/pci/hda/hda_codec.c +@@ -4454,6 +4454,8 @@ static void __snd_hda_power_up(struct hda_codec *codec, bool wait_power_down) + * then there is no need to go through power up here. + */ + if (codec->power_on) { ++ if (codec->power_transition < 0) ++ codec->power_transition = 0; + spin_unlock(&codec->power_lock); + return; + } |