[alsa-devel] testing mic-in for tlv320aic33
vic.techlist at gmail.com
Wed Dec 2 17:21:24 CET 2009
Thanks for your support.
There was a mistake in I2C configuration of tlv320aic33 and In pin muxing I
tested after that now its working.
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_dai_set_sysclk(cpu_dai, OMAP_MCBSP_FSR_SRC_FSR, 0,
> I checked pin muxing is also fine but still I am getting the same error.
> Thanks and regards
> On 12/1/09, Jarkko Nikula <jhnikula at gmail.com> wrote:
>> 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
>> > 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
>> > 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
>> commit d2c0bdaa9362c4b2ab7416420d034a0a2d1ec979
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