From: PC Liao <pc.liao@mediatek.com>
To: Mark Brown <broonie@kernel.org>
Cc: "tiwai@suse.de" <tiwai@suse.de>,
srv_heupstream <srv_heupstream@mediatek.com>,
"linux-mediatek@lists.infradead.org"
<linux-mediatek@lists.infradead.org>,
"s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"Koro Chen (陳思翰)" <koro.chen@mediatek.com>
Subject: Re: [PATCH] ASoC: mediatek: Add second I2S on mt8173-rt5650 machine driver
Date: Fri, 1 Apr 2016 10:50:52 +0800 [thread overview]
Message-ID: <1459479052.24414.3.camel@mtksdaap41> (raw)
In-Reply-To: <20160329160703.GN2350@sirena.org.uk>
Hi Mark,
On Wed, 2016-03-30 at 00:07 +0800, Mark Brown wrote:
> On Tue, Mar 29, 2016 at 09:28:23PM +0800, PC Liao wrote:
>
> > - mediatek,rt5650_i2s: I2S mode of rt5650
> > 0: Default setting. Playback and record path use same set of I2S.
> > Playback/Record path using same I2S clock connect from MT8173 I2S1 to
> > rt5650 I2S1.
> > 1: Playback and record path use different set of I2S. Playback path
> > connects from MT8173 I2S1 to rt5650 I2S1 and record path connects from
> > MT8173 I2S2 to rt5650 I2S2.
>
> > Because we use codec ASRC function and need to initialize on different
> > setting about this parts:
>
> This sort of arrangement is very common - it's often needed to get
> different sample rates for playback and capture. Normally it'd be
> represented in the DT by having the two DAI links specified normally and
> then having the driver look at the DT to see what's connected to work
> out what mode to use.
Could you please suggest the reference driver about this?
Thanks!
next prev parent reply other threads:[~2016-04-01 2:51 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-25 3:42 [PATCH] ASoC: mediatek: Add second I2S on mt8173-rt5650 machine driver PC Liao
2016-03-28 19:11 ` Mark Brown
2016-03-29 13:28 ` PC Liao
2016-03-29 16:07 ` Mark Brown
2016-04-01 2:50 ` PC Liao [this message]
2016-04-02 17:04 ` Mark Brown
2016-04-06 13:58 ` PC Liao
2016-04-06 17:17 ` Mark Brown
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