From: nerwusek <luk0104@gmail.com>
To: alsa-devel@alsa-project.org
Subject: Re: uda1380 and pxa255 plays nothing but noise
Date: Thu, 09 Aug 2012 18:43:45 +0200 [thread overview]
Message-ID: <5023E8C1.4020302@gmail.com> (raw)
In-Reply-To: <50224AA4.4010902@gmail.com>
On 08.08.2012 13:16, nerwusek wrote:
> On 08.08.2012 11:57, Mark Brown wrote:
>> This sounds like either the CPU isn't actually sending data or
>> there's a digital mute.
> Debugfs file asoc/ipaq/uda.../dapm/Playback shows:
> Playback: On in 1 out 1
> stream Playback active
> out "static" "DAC"
> out "static" "DAC"
> out "static" "DAC"
>
> and file DAC shows:
> DAC: On in 3 out 4 - R2(0x2) bit 10
> stream Playback inactive
> in "static" "Playback"
> in "static" "Playback"
> in "static" "Playback"
> out "DAC" "Output Mux"
> out "static" "Analog Mixer"
>
> is it correct? Shouldn't stream Playback in DAC show active status?
> Also I noticed that alsamixer works slower when playing music so
> some data must be sent to codec but I don't know is that music
> data or sth else.
>
> Łukasz Dałek
I also booted handhelds kernel (2.6.21) and compared UDA registers with it.
Everything was the same except in my kernel (3.4) was silence.
At this point I have no idea where is the problem.
Łukasz Dałek
next prev parent reply other threads:[~2012-08-09 16:14 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-07 19:18 uda1380 and pxa255 plays nothing but noise nerwusek
2012-08-07 19:26 ` Mark Brown
2012-08-07 19:39 ` nerwusek
2012-08-07 19:41 ` nerwusek
2012-08-07 21:18 ` Vasily Khoruzhick
2012-08-07 21:48 ` nerwusek
2012-08-08 6:26 ` Vasily Khoruzhick
2012-08-08 9:57 ` Mark Brown
2012-08-08 11:16 ` nerwusek
2012-08-09 16:43 ` nerwusek [this message]
2012-08-07 21:21 ` Vasily Khoruzhick
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