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

[Jean-Michel Hautbois]

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.

Thanks,
JM