linux-kernel - Re: 3.19-rc1 regression bisected No sound on Dell Latitude d430

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Date:	Sun, 11 Jan 2015 22:44:37 +0100
From:	Hans de Bruin <jmdebruin@...net.nl>
To:	Takashi Iwai <tiwai@...e.de>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	David Henningsson <david.henningsson@...onical.com>
Subject: Re: 3.19-rc1 regression bisected No sound on Dell Latitude d430

On 01/11/2015 04:45 PM, Takashi Iwai wrote:
> At Sun, 11 Jan 2015 13:21:34 +0100,
> Hans de Bruin wrote:
>>
>> This commit:
>>
>> commit 3abb4f4d0e7aaad0d12004b5057f4486a688752b
>> Author: David Henningsson <david.henningsson@...onical.com>
>> Date:   Thu Oct 16 15:33:46 2014 +0200
>>
>>       ALSA: hda - Use "Line Out" name instead of "PCM" when there are
>> other outputs
>>
>>       In case there are speakers or headphones as well, anything that only
>>       covers the line out should not be labelled "PCM". Let's name it
>>       "Line Out" instead for clarity.
>>
>>       Signed-off-by: David Henningsson <david.henningsson@...onical.com>
>>       Signed-off-by: Takashi Iwai <tiwai@...e.de>
>>
>> breaks the sound on my dell laptop.
>
> What sound?  From the speaker, the headphone or the dock output?

The speaker. I have not checked the other exits

> Are you using PulseAudio?

No

> What if you adjust/unmute the volume
> (likely "Line Out") manually?

running 3.18 alsamixer show these options:

Master
PCM
Mic Boost
Auto Mute mode

PCM affects the volume of the speaker.

running 3.19-rc1 alsamixer show these options:

Master
PCM
Line Out
Mic Boost
Auto Mute mode

Line out now controls the vole of the speaker (this 'new' channel had 
volume 0 so did not hear anything). Changing PCM has no effect.

> In anyway, please give alsa-info.sh output.  Run it with --no-upload
> option and attach the output.

I have attached both the 3.18.0 and a 3.19-rc1 ouputs


-- 
Hans

View attachment "alsa-info-3.18.0" of type "text/plain" (14652 bytes)

View attachment "alsa-info-3.19-rc1" of type "text/plain" (15211 bytes)