[alsa-devel] [PATCH] ASoC: fsl_sai: Add isr to deal with error flag

Mark Brown broonie at kernel.org
Thu Mar 27 02:14:24 CET 2014

On Wed, Mar 26, 2014 at 11:59:53AM +0000, David Laight wrote:
> From: Nicolin Chen

> > +	regmap_read(sai->regmap, FSL_SAI_TCSR, &xcsr);
> > +	regmap_write(sai->regmap, FSL_SAI_TCSR, xcsr);

> Assuming these are 'write to clear' bits, you might want
> to make the write (above) and all the traces (below)
> conditional on the value being non-zero.

The trace is already conditional?  I'd also expect to see the driver
only acknowledging sources it knows about and only reporting that the
interrupt was handled if it saw one of them - right now all interrupts
are unconditionally acknowleged.
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