From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59930 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756753AbbGPRnN (ORCPT ); Thu, 16 Jul 2015 13:43:13 -0400 Subject: Patch "ALSA: hda - Disable widget power-save for VIA codecs" has been added to the 4.1-stable tree To: tiwai@suse.de, gregkh@linuxfoundation.org, harri@afaics.de Cc: , From: Date: Thu, 16 Jul 2015 10:42:58 -0700 Message-ID: <1437068578145205@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled ALSA: hda - Disable widget power-save for VIA codecs to the 4.1-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-disable-widget-power-save-for-via-codecs.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 735c75cf4d434862e38c01dcfb2ce8d2fcb9035f Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 25 Jun 2015 08:48:54 +0200 Subject: ALSA: hda - Disable widget power-save for VIA codecs From: Takashi Iwai commit 735c75cf4d434862e38c01dcfb2ce8d2fcb9035f upstream. The widget power-save that was enabled in 4.1 kernel seems resulting in the silent output on VIA codecs by some reason. Some widgets get wrong power states. As a quick fix, turn this flag off while keeping power_down_unused flag. This will bring back to the state of 4.0.x. Fixes: 688b12cc3ca8 ('ALSA: hda - Use the new power control for VIA codecs') Reported-and-tested-by: Harald Dunkel Signed-off-by: Takashi Iwai Signed-off-by: Greg Kroah-Hartman --- sound/pci/hda/patch_via.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -238,7 +238,9 @@ static int via_pin_power_ctl_get(struct struct snd_ctl_elem_value *ucontrol) { struct hda_codec *codec = snd_kcontrol_chip(kcontrol); - ucontrol->value.enumerated.item[0] = codec->power_save_node; + struct via_spec *spec = codec->spec; + + ucontrol->value.enumerated.item[0] = spec->gen.power_down_unused; return 0; } @@ -249,9 +251,9 @@ static int via_pin_power_ctl_put(struct struct via_spec *spec = codec->spec; bool val = !!ucontrol->value.enumerated.item[0]; - if (val == codec->power_save_node) + if (val == spec->gen.power_down_unused) return 0; - codec->power_save_node = val; + /* codec->power_save_node = val; */ /* widget PM seems yet broken */ spec->gen.power_down_unused = val; analog_low_current_mode(codec); return 1; Patches currently in stable-queue which might be from tiwai@suse.de are queue-4.1/alsa-hda-disable-widget-power-save-for-via-codecs.patch queue-4.1/alsa-hda-add-headset-support-to-acer-aspire-v5.patch queue-4.1/alsa-hda-set-proper-caps-for-newer-amd-hda-audio-in-kb-kv.patch queue-4.1/alsa-pcm-fix-pcm_class-sysfs-output.patch queue-4.1/alsa-hda-fix-dock-headphone-on-thinkpad-x250-seen-as-a-line-out.patch queue-4.1/alsa-hda-fix-the-dock-headphone-output-on-fujitsu-lifebook-e780.patch queue-4.1/alsa-hda-restore-the-mic-fixup-for-some-dell-machines.patch queue-4.1/alsa-hda-add-a-fixup-for-dell-e7450.patch