From: Raymond Yau <superquad.vortex2@gmail.com>
To: ALSA Development Mailing List <alsa-devel@alsa-project.org>
Subject: Re: ALSA and MediaController
Date: Mon, 23 May 2011 13:39:08 +0800 [thread overview]
Message-ID: <BANLkTinyHbZWHUwEK0D4w1xrmKyLXRH-2w@mail.gmail.com> (raw)
In-Reply-To: <20110521105732.GA10004@sirena.org.uk>
2011/5/21 Mark Brown <broonie@opensource.wolfsonmicro.com>:
>
>> How Media controller or PA handle hda jack retasking of those 3 jacks
>> motherboard (channel mode or smart 5.1 switch) ?
>
>> For those mini ITX motherboard without front audio panel, there will
>> be no capture source if the HDA codec does not support stereo mix
>> after the driver retask those input jacks for 5.1 outputs
>
> This just sounds like a fairly basic reconfiguration of the CODEC, it's
> no different to any other rerouting.
>
>> Does this mean that those 3 jacks , 5 jacks and 6 jacks desktop need
>> to add the rear panel jack to use snd_jack_report ?
>
> It seems like a good idea to report any jacks we can do detection on....
>
But snd_jack API seem does not has any definition for "Line In" - Blue jacks ?
The jack retasking is performed by snd_hda_sequence_write_cache(codec,
chmode[mode].sequence) in snd_hda_ch_mode_put() for some HDA codecs
next prev parent reply other threads:[~2011-05-23 5:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 17:48 ALSA and MediaController pl bossart
2011-05-17 18:02 ` Mark Brown
2011-05-17 18:06 ` Takashi Iwai
2011-05-17 18:43 ` Takashi Iwai
2011-05-17 20:57 ` Mark Brown
2011-05-21 2:43 ` Raymond Yau
2011-05-21 10:57 ` Mark Brown
2011-05-23 5:39 ` Raymond Yau [this message]
2011-05-23 15:00 ` Mark Brown
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