[alsa-devel] No sound captured with SGTL5000 on i.MX6 in I²S master mode

[Nicolin Chen]

On Fri, Sep 19, 2014 at 09:42:22AM +0200, Jean-Michel Hautbois wrote:
> Hi,
> 
> 2014-09-19 1:50 GMT+02:00 Nicolin Chen <nicoleotsuka at gmail.com>:
> > On Thu, Sep 18, 2014 at 08:35:31PM -0300, Fabio Estevam wrote:
> >> On Thu, Sep 18, 2014 at 3:39 PM, Nicolin Chen <nicoleotsuka at gmail.com> wrote:
> >>
> >> > It actually is merged into broonie/for-next and even linux-next I think.
> >> > I'll later send a patch to Shawn's tree for imx_v6_v7_defconfig changes
> >> > after next merge window's done.
> >>
> >> Ok, I see it now, but master/slave configuration is still hardcoded there:
> >>
> >>     } else if (of_device_is_compatible(np, "fsl,imx-audio-sgtl5000")) {
> >>         priv->codec_priv.mclk_id = SGTL5000_SYSCLK;
> >>         priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
> >
> > It's just a combinational driver and also made to be compatible with
> > old DTs. Unless we refine the DT binding like simple-card, this hard-
> > code is inevitable. As long as this dai_fmt has been defined, at least
> > AUDMUX part will be automatically configured.
> >
> > I made this driver was initially to support ASRC for imx-cs42888. But
> > merging the code from imx-sgtl5000 and imx-wm8962 allows us to omit
> > a branch of duplicated code. And that's it :)
> >
> 
> Well, I may have missed something, I don't have fsl-asoc-card in my
> linux tree (vanilla). Where can I find it ? I can test a SGTL5000
> master mode on i.MX6Q.

git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git

for-next branch.

Nicolin