[alsa-devel] [PATCH 4/4] ASoC: wm_adsp: Improve DSP error handling

[Charles Keepax]

On Thu, Mar 10, 2016 at 10:44:54AM +0000, Charles Keepax wrote:
> If we encounter an error on the DSP side whilst user-space is waiting on
> the poll we should call snd_compr_fragment_elapsed, although data is
> not actually available we want to wake user-space such that the error
> can be propagated out quickly. Additionally some versions of the DSP
> firmware are not super consistent about actually generating an IRQ if
> they encounter an error, as such we will check the DSP error status
> every time we run out of available data as well, to ensure we catch it.
> 
> Signed-off-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>
> ---

Apologies please drop this last change I need to do a respin.
This will ping the poll for spurious interrupts which is not very
desirable. I will fix that and send a rev 2 but the rest of the
chain is good to merge as is.

Thanks,
Charles