[alsa-devel] [PATCH 4/6] ASoC: OMAP: Add CPU DAI driver for HDMI

[Neri, Ricardo]

Hi Mark, Liam,

On Sun, May 8, 2011 at 18:42, Mark Brown <broonie at opensource.wolfsonmicro.com> wrote:
> On Sun, May 08, 2011 at 08:44:41PM +0100, Liam Girdwood wrote:
>> On 08/05/11 16:56, Mark Brown wrote:
>
>> > So it'll segfault or something instead of just not transferring data or
>> > whatever?
>
>> Yep, it will cause a CPU data abort exception in this case.
>
> OK, that makes things clearer.  It'd still be good to postpone the check
> for as long as possible, just in case things get racy - currently it
> feels too early in the process - but having the check makes sense.
I think if the check can be done in .hw_params. because this check makes sure the hw is available.