Hi,
On Fri, Jul 02, 2010 at 22:42:25, Raffaele Recalcati wrote:
> From: Raffaele Recalcati <raffaele.recalc...@bticino.it>
>
> Added two clocking options for dm365 McBSP peripheral when used
> with I2S timings, that are SND_SOC_DAIFMT_CBS_CFS (the cpu generates
> clock and frame sync) and SND_SOC_DAIFMT_CBS_CFM (the cpu gets clock
> from external pin and generates frame sync).
> A slave clock management can be important when the external codec needs
> the system clock and the bit clock synchronized (tested with uda1345).
> This patch has been developed against the:
>
> http://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci.git
> git tree and has been tested on bmx board (similar to dm365 evm, but using
> uda1345 as external audio codec).
>
> Signed-off-by: Raffaele Recalcati <raffaele.recalc...@bticino.it>
> Signed-off-by: Davide Bonfanti <davide.bonfa...@bticino.it>
> ---
> sound/soc/davinci/davinci-i2s.c | 111 +++++++++++++++++++++++++++++++++++---
> sound/soc/davinci/davinci-i2s.h | 5 ++
> 2 files changed, 107 insertions(+), 9 deletions(-)
>
> diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
> index adadcd3..a893538 100644
> --- a/sound/soc/davinci/davinci-i2s.c
> +++ b/sound/soc/davinci/davinci-i2s.c
> @@ -26,6 +26,7 @@
> #include <mach/asp.h>
>
> #include "davinci-pcm.h"
> +#include "davinci-i2s.h"
>
[...]
> @@ -372,6 +383,19 @@ static int davinci_i2s_set_dai_fmt(struct snd_soc_dai
> *cpu_dai,
> return 0;
> }
>
> +static int davinci_i2s_dai_set_clkdiv(struct snd_soc_dai *cpu_dai,
> + int div_id, int div)
> +{
> + struct davinci_mcbsp_dev *dev = cpu_dai->private_data;
> + int srgr;
srgr variable is not being used in this function. Consider removing it.
Regards,
Sudhakar
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