AA,
How would I do such thing from my application? What are the other ways? What is
the best way to do such thing from application side?
--
Amr Ali.
> Date: Tue, 28 Apr 2009 09:50:57 -0500
> From: [email protected]
> To: [email protected]
> CC: [email protected]; [email protected]
> Subject: Re: Audio Driver Problem
>
> amr ali wrote:
> > AA,
> > My final commercial product is supposed to play audio from USB. Do you
> > think it is a driver problem??
> > --
> > Amr Ali.
>
> Try writing 0x4 to ESR when it is in the stalled state.
>
> devmem2 0x01c01010 0x4
>
> 0x4 is the ASP transmit channel. There is likely a pending event and
> writing this will manually trigger a transfer request. This gets
> cleared when the channel is shutdown. Another slot may be programmed
> from the ISR in the ASoC driver. This causes the channel to "stall"
> when the channel is shut down. There are a couple ways to fix this
> problem, but there is nothing currently in the git kernel for handling
> ASoC stop/shutdown cleanly.
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