[meta-freescale] Audio glitch with SGTL5000

[Gary Thomas]

On 2015-01-22 12:05, Eric Nelson wrote:
> On 01/22/2015 11:35 AM, Gary Thomas wrote:
>> On 2015-01-22 11:32, Nikolay Dimitrov wrote:
>>> Hi Gary,
>>>
>>> On 01/22/2015 03:24 PM, Gary Thomas wrote:
>>>> Are you using headphone or line-out?
>>>>
>>>> My i.MX6 boards all suffer from this annoying pop - it would be great
>>>> to get to the bottom of this.
>>>
>>> Before applying my ugly fix, I can hear the glitch on both outputs,
>>> but need to warn you that my headphones test is flawed, as the
>>> SGTL5000 codec on my board is improperly
>>> connected to the headphones (audio output is only 2-wire DC-decoupled
>>> instead of using 3-wire cap-less output with virtual ground).
>>>
>>> Are you looking for a fix for line-out, headphones, both? Also, which
>>> kernel are you using?
>>
>> Currently, only headphones.
>>
>> I'm using linux-boundary/3.10.31
>>
>
> Which has the SMALL_POP fix applied:
> 	https://github.com/boundarydevices/linux-imx6/commit/983ce7a

Yes, but I still get them, so it's not 100% correct :-(

Also, Eric, is there anything magic about sound on the SabreLite?  I know
I've had it working in the past, but today it's totally silent.

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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