From: Jarkko Nikula <jhnikula@gmail.com>
To: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Cc: "sakoman@gmail.com" <sakoman@gmail.com>,
"anuj.aggarwal@ti.com" <anuj.aggarwal@ti.com>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
ext Mark Brown <broonie@opensource.wolfsonmicro.com>,
"getarunks@gmail.com" <getarunks@gmail.com>
Subject: Re: [PATCH 1/1] ASoC: TWL4030: Wait RAMP_DELAY on headsetl_event: POST_PMD
Date: Thu, 14 May 2009 09:08:08 +0300 [thread overview]
Message-ID: <20090514090808.14c0dfda.jhnikula@gmail.com> (raw)
In-Reply-To: <200905140827.11625.peter.ujfalusi@nokia.com>
On Thu, 14 May 2009 08:27:11 +0300
Peter Ujfalusi <peter.ujfalusi@nokia.com> wrote:
> That is why I'm a bit nervous when I need to touch the core... It has
> been working fine for all other codes so far.
> In the twl4030 codec case, the playback involves the following chain
> in DAPM domain:
>
> Headset, PreDrive, Carkit, Earpiece:
> DAC -> PGA -> Mixer -> output pin.
>
> Handsfree:
> DAC -> PGA -> Mux -> output pin.
>
...
> Is it possible to add several SND_SOC_DAPM_PRE to the DAPM routing?
> For example to the HeadsetL, HeadsetR, HandsFreeL and HandsFreeR? How
> does it than would work?
> If this is possible, than I can handle the correct power up/down
> sequences required for the twl4030 codec.
>
My two cents: Would it be possible to implement 'fake' PGA or amplifier
into TWL outputs which only controls the power state of mixer and mux?
--
Jarkko
next prev parent reply other threads:[~2009-05-14 6:06 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-11 11:14 [PATCH 0/1] ASoC: TWL4030: Headset ramp down fix Peter Ujfalusi
2009-05-11 11:14 ` [PATCH 1/1] ASoC: TWL4030: Wait RAMP_DELAY on headsetl_event: POST_PMD Peter Ujfalusi
2009-05-11 12:03 ` Jarkko Nikula
2009-05-12 10:50 ` Peter Ujfalusi
2009-05-12 11:19 ` Jarkko Nikula
2009-05-12 11:31 ` Peter Ujfalusi
2009-05-12 11:52 ` Jarkko Nikula
2009-05-12 12:02 ` Jarkko Nikula
2009-05-12 12:16 ` Peter Ujfalusi
2009-05-12 12:21 ` Jarkko Nikula
2009-05-12 13:16 ` Peter Ujfalusi
2009-05-12 13:56 ` Jarkko Nikula
2009-05-13 12:57 ` Peter Ujfalusi
2009-05-13 13:05 ` Mark Brown
2009-05-14 5:27 ` Peter Ujfalusi
2009-05-14 6:08 ` Jarkko Nikula [this message]
2009-05-14 6:35 ` Peter Ujfalusi
2009-05-14 8:09 ` Peter Ujfalusi
2009-05-14 9:05 ` Jarkko Nikula
2009-05-14 9:19 ` Peter Ujfalusi
2009-05-14 9:24 ` Mark Brown
2009-05-14 9:48 ` Peter Ujfalusi
2009-05-14 9:56 ` Mark Brown
2009-05-14 12:44 ` Peter Ujfalusi
2009-05-14 12:53 ` [PATCH 1/1] ASoC: TWL4030: Wait RAMP_DELAY?on " Mark Brown
2009-05-15 6:30 ` Peter Ujfalusi
2009-05-18 7:46 ` Peter Ujfalusi
2009-05-14 9:23 ` [PATCH 1/1] ASoC: TWL4030: Wait RAMP_DELAY on " Mark Brown
2009-05-11 12:57 ` [PATCH 0/1] ASoC: TWL4030: Headset ramp down fix Arun KS
2009-05-12 3:59 ` Anuj Aggarwal
2009-05-12 5:33 ` Jarkko Nikula
2009-05-12 6:14 ` Aggarwal, Anuj
2009-05-12 6:39 ` Jarkko Nikula
2009-05-12 6:50 ` Aggarwal, Anuj
2009-05-12 6:44 ` Peter Ujfalusi
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