[alsa-devel] [PATCH V4 2/5] Main rewite of the mpc5200 audio DMA code

[Grant Likely]

On Tue, May 26, 2009 at 10:53 AM, Jon Smirl <jonsmirl at gmail.com> wrote:
> On Tue, May 26, 2009 at 12:51 PM, Grant Likely
> <grant.likely at secretlab.ca> wrote:
>> On Tue, May 26, 2009 at 5:01 AM, Mark Brown
>> <broonie at opensource.wolfsonmicro.com> wrote:
>>> On Mon, May 25, 2009 at 06:15:09PM -0400, Jon Smirl wrote:
>>>> Rewrite the mpc5200 audio DMA code to support both I2S and AC97.
>>>>
>>>> Signed-off-by: Jon Smirl <jonsmirl at gmail.com>
>>>
>>> Grant, I'm OK with that if you are?
>>
>> Acked-by: Grant Likely <grant.likely at secretlab.ca>
>
> Put in the V5 version this one has this in the h file:
>
> -int psc_dma_trigger(struct snd_pcm_substream *substream, int cmd,
> -                          struct snd_soc_dai *dai);
> +/* whack this after Timur's patch is merged in to
> arch/powerpc/include/asm/delay.h */
> +#define spin_event_timeout(condition, timeout, delay, rc)                   \
> +{                                                                           \
> +       unsigned long __loops = tb_ticks_per_usec * timeout;                \
> +       unsigned long __start = get_tbl();                                  \
> +       while ((rc = (condition)) && (tb_ticks_since(__start) <= __loops)) \
> +               if (delay)                                                  \
> +                       udelay(delay);                                      \
> +               else                                                        \
> +                       cpu_relax();                                        \
> +}
> +/* whack this after Timur's patch is merged in to
> arch/powerpc/include/asm/delay.h */

sure, no problem if it will grease the merge.

g.




-- 
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.