[alsa-devel] recording problem in beagleboard-mcbsp

[noman pouigt]

On Fri, Apr 10, 2015 at 10:54 AM, noman pouigt <variksla at gmail.com> wrote:
> 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.
Tried this as well and it didn't work. Strange that FSR and CLKR is also
having the required clocks.
>>
>>>  };
>>>>
>>>> --
>>>> Péter
>>
>>
>> --
>> Péter