[alsa-devel] testing mic-in for tlv320aic33

[vivek kaushik]

Hi Jarkko,

Thanks for your support.

There was a mistake in I2C configuration of tlv320aic33 and In pin muxing I
tested after that now its working.

Cheers,

Vivek

On 12/2/09, vivek kaushik <vic.techlist at gmail.com> wrote:
>
> Thanks Jarkko for the support.
>
> I have applied the patch. I am kernel 2.6.29.
>
> In my board CLKR and FSR are connected so I am calling functions as:
> snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_CLKR_SRC_CLKR, 0,
> SND_SOC_CLOCK_IN);
> snd_soc_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSR, 0,
> SND_SOC_CLOCK_IN);
>
> I checked pin muxing is also fine but still I am getting the same error.
>
> Thanks and regards
>
> Vivek
>
>  On 12/1/09, Jarkko Nikula <jhnikula at gmail.com> wrote:
>>
>> Hi
>>
>> On Tue, 1 Dec 2009 00:29:53 +0530
>> vivek kaushik <vic.techlist at gmail.com> wrote:
>>
>> > Hi All,
>> >
>> > I am testing MIC IN on tlv320aic33. but getting the following error:
>> > arecord: pcm_read:1338: read error: Input/output error
>> >
>> > On my custom board tlv320aic33 is connected mcbsp-1 of omap3530, i am
>> > configuring tlv as mater and omap3530 as slave.aplay is working fine for
>> me
>> > but getting the above error in case of arecord.
>> >
>> > I am testing MIC IN with following command
>> >
>> > arecord -fdat record.wav
>> >
>> > when i probe signals I am getting proper MCLK, WCLK(48khz) and
>> BCLK(1.5Mhz)
>> > but there is no toggling on data line.
>> >
>> I believe the reason is that OMAP expects to get McBSP1 receiver clocks
>> from its own CLKR and FSR pins. Does it work if you configure the McBP1
>> receiver to use CLKX and FSX pins?
>>
>> You could look help from following commit and file in sound-2.6.git
>> tree:
>> commit d2c0bdaa9362c4b2ab7416420d034a0a2d1ec979
>> sound/soc/omap/am3517evm.c
>>
>> --
>> Jarkko
>>
>
>