[alsa-devel] recording problem in beagleboard-mcbsp

[noman pouigt]

On Fri, Apr 10, 2015 at 12:11 AM, Peter Ujfalusi <peter.ujfalusi at ti.com> wrote:
> On 04/10/2015 02:04 AM, noman pouigt wrote:
>> On Thu, Apr 9, 2015 at 7:07 AM, Peter Ujfalusi <peter.ujfalusi at ti.com> wrote:
>>> On 04/09/2015 03:06 PM, Peter Ujfalusi wrote:
>>>> Hrm, McBSP1 is kind of problematic port since it has 6pin config by default.
>>>> It might worth a try to do something like:
>>>> http://lists.infradead.org/pipermail/linux-arm-kernel/2012-August/113058.html
>>>> has removed.
>>>> Or to switch to use McBSP3.
>>>>
>>>> But for some reason now I can not get the recording working via McBSP1 either.
>>>> I remember that it worked not that long time ago...
>>>
>>> One thing I would also try:
>>> use the codec as master and connect the FS to McBSP1 FSX _and_ FSR. Do the
>>> same for the bclk (connect it to BCLKX _and_ BCLKR of McBSP1)
>>> Configure the pin mux for these pins also.
>>
>> I did but it didn't work.Below is my configuration.
>> configured mcbsp1_clkx, mcbsp1_fsx, mcbsp1_dx and mcbsp1_dr
>> +
>> +       mcbsp1_pins: pinmux_mcbsp1_pins {
>> +                pinctrl-single,pins = <
>> +                        OMAP3_CORE1_IOPAD(0x2196, PIN_OUTPUT | MUX_MODE0)
>> +                        OMAP3_CORE1_IOPAD(0x2198, PIN_OUTPUT | MUX_MODE0)
>> +                        OMAP3_CORE1_IOPAD(0x2190, PIN_OUTPUT | MUX_MODE0)
>> +                        OMAP3_CORE1_IOPAD(0x2192, PIN_INPUT | MUX_MODE0)
>> +                        OMAP3_CORE1_IOPAD(0x218C, PIN_OUTPUT | MUX_MODE0)
>> +                        OMAP3_CORE1_IOPAD(0x218E, PIN_OUTPUT | MUX_MODE0)
>> +                >;
>> +        };
>
> What about the codec master mode? Does that work?
I will also try this and update.
>
>>  };
>>>
>>> --
>>> Péter
>
>
> --
> Péter