[alsa-devel] [PATCH 2/3] ALSA SoC: Add mpc5200-psc I2S driver
grant.likely at secretlab.ca
Sat Jul 12 08:26:04 CEST 2008
On Mon, Jul 07, 2008 at 09:23:24AM -0400, Jon Smirl wrote:
> On 7/7/08, Mark Brown <broonie at opensource.wolfsonmicro.com> wrote:
> > On Sun, Jul 06, 2008 at 01:56:48PM -0400, Jon Smirl wrote:
> > > The driver is assuming a capture stream exists. My codec is output only.
> > While the driver declares a capture stream the core doesn't require that
> > both capture and playback be available - it will cope with a capture
> > only or a playback only DAI (this is fairly common due to DAC only and
> > ADC only parts). Unless there's some other issue specific to this
> > driver?
> Yes, it GPFs allocating a a DMA buffer on the null capture stream pointer.
Where does it GPF? When dereferencing pcm->streams[x].substream in
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