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[3.11.y.z,extended,stable] Patch "ALSA: hda - Check keep_eapd_on before inv_eapd" has been added to staging queue

Message ID 1386242874-5539-1-git-send-email-luis.henriques@canonical.com
State New
Headers show

Commit Message

Luis Henriques Dec. 5, 2013, 11:27 a.m. UTC
This is a note to let you know that I have just added a patch titled

    ALSA: hda - Check keep_eapd_on before inv_eapd

to the linux-3.11.y-queue branch of the 3.11.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.11.y-queue

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.11.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

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From b657cd57313ac997de1af342e6b72c57e3c4b248 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 12 Nov 2013 11:36:00 +0100
Subject: ALSA: hda - Check keep_eapd_on before inv_eapd

commit 468ac413045af1e0e4d1272291bed6878f248a69 upstream.

We don't change the EAPD bit in set_pin_eapd() if keep_eapd_on flag is
set by the codec driver and enable is false.  But, we also apply the
flipping of enable value according to inv_eapd flag in the same
function, and this confused the former check, handled as if it's
turned ON.  The inverted EAPD check must be applied after keep_eapd_on
check, instead.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
 sound/pci/hda/hda_generic.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--
1.8.3.2
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Patch

diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 02fdff6..c6cb67b 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -789,10 +789,10 @@  static void set_pin_eapd(struct hda_codec *codec, hda_nid_t pin, bool enable)
 	if (spec->own_eapd_ctl ||
 	    !(snd_hda_query_pin_caps(codec, pin) & AC_PINCAP_EAPD))
 		return;
-	if (codec->inv_eapd)
-		enable = !enable;
 	if (spec->keep_eapd_on && !enable)
 		return;
+	if (codec->inv_eapd)
+		enable = !enable;
 	snd_hda_codec_update_cache(codec, pin, 0,
 				   AC_VERB_SET_EAPD_BTLENABLE,
 				   enable ? 0x02 : 0x00);