* WM8904 SAMA5D channel swap
@ 2014-07-18 13:31 Matteo Fortini
2014-07-22 2:34 ` Bo Shen
0 siblings, 1 reply; 2+ messages in thread
From: Matteo Fortini @ 2014-07-18 13:31 UTC (permalink / raw)
To: alsa-devel; +Cc: Bo Shen
I'm seeing left/right channel swapping problems on a board with a WM8904
codec and a SAMA5D35 CPU.
configuration is CBM and CFM and original data format is I2S. Our board
has the same connections and parts as the EK from Atmel.
I tried to apply commit bc567a93502275755492141524935269dcf0ea1b
ASoC: sam9x5_wm8731: change to work in DSP A mode
by Bo Shen. (It needs another fix because TCMR CKS is set to PIN, but
needs to be set to CLK, like it is for I2S, otherwise playback would stall)
Even using DSP-A mode the sound sometimes is swapped and this is quite a
problem.
Anyone found a fix?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: WM8904 SAMA5D channel swap
2014-07-18 13:31 WM8904 SAMA5D channel swap Matteo Fortini
@ 2014-07-22 2:34 ` Bo Shen
0 siblings, 0 replies; 2+ messages in thread
From: Bo Shen @ 2014-07-22 2:34 UTC (permalink / raw)
To: Matteo Fortini, alsa-devel
Hi Matteo,
On 07/18/2014 09:31 PM, Matteo Fortini wrote:
> I'm seeing left/right channel swapping problems on a board with a WM8904
> codec and a SAMA5D35 CPU.
>
> configuration is CBM and CFM and original data format is I2S. Our board
> has the same connections and parts as the EK from Atmel.
>
> I tried to apply commit bc567a93502275755492141524935269dcf0ea1b
> ASoC: sam9x5_wm8731: change to work in DSP A mode
> by Bo Shen. (It needs another fix because TCMR CKS is set to PIN, but
> needs to be set to CLK, like it is for I2S, otherwise playback would stall)
>
> Even using DSP-A mode the sound sometimes is swapped and this is quite a
> problem.
Oops, DSP-A mode still has this issue? I will try to reproduce this
issue. If any updates, I will let you know.
> Anyone found a fix?
Best Regards,
Bo Shen
^ permalink raw reply [flat|nested] 2+ messages in thread
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2014-07-18 13:31 WM8904 SAMA5D channel swap Matteo Fortini
2014-07-22 2:34 ` Bo Shen
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