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

[Jon Smirl <jonsmirl@gmail.com>]

On Tue, May 26, 2009 at 12:51 PM, Grant Likely
<grant.likely@secretlab.ca> wrote:
> On Tue, May 26, 2009 at 5:01 AM, Mark Brown
> <broonie@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@gmail.com>
>>
>> Grant, I'm OK with that if you are?
>
> Acked-by: Grant Likely <grant.likely@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 */




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



-- 
Jon Smirl
jonsmirl@gmail.com