On Fri, Jul 31, 2015 at 05:13:06PM +0200, Maciej S. Szmigiero wrote:
> On 31.07.2015 07:58, Markus Pargmann wrote:
> > On Thu, Jul 30, 2015 at 04:35:58PM +0200, Maciej S. Szmigiero wrote:
> >> Adjust set DAI format function in fsl_ssi driver so it
> >> doesn't fail and clears RXDIR in AC'97 mode.
> >>
> >> Signed-off-by: Maciej Szmigiero <m...@maciej.szmigiero.name>
> >> ---
> >>  sound/soc/fsl/fsl_ssi.c |    8 +++++---
> >>  1 files changed, 5 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c
> >> index 8e5ff5e..37aabe3 100644
> >> --- a/sound/soc/fsl/fsl_ssi.c
> >> +++ b/sound/soc/fsl/fsl_ssi.c
> >> @@ -900,14 +900,16 @@ static int _fsl_ssi_set_dai_fmt(struct device *dev,
> >>            scr &= ~CCSR_SSI_SCR_SYS_CLK_EN;
> >>            break;
> >>    default:
> >> -          return -EINVAL;
> >> +          if (!fsl_ssi_is_ac97(ssi_private))
> >> +                  return -EINVAL;
> > 
> > I think it would be better to add another case for the other mode which
> > is supported (AC97) instead of using the default case.
> 
> This is a switch of DAI clock masters and AC'97 is none of them:
> while "case 0:" can be added this would be very similar to the current code.
> 
> Alternatively, the whole switch statement could be wrapped inside
> "if (!fsl_ssi_is_ac97(ssi_private))" if that would be better
> with regards to code style.

I looked at the wrong switch/case the DAIFMT_AC97 is actually used
but this patch is about the master clocks. It's fine then.

Thanks,

Markus

> 
> >>    }
> >>  
> >>    stcr |= strcr;
> >>    srcr |= strcr;
> >>  
> >> -  if (ssi_private->cpu_dai_drv.symmetric_rates) {
> >> -          /* Need to clear RXDIR when using SYNC mode */
> >> +  if (ssi_private->cpu_dai_drv.symmetric_rates
> >> +          || fsl_ssi_is_ac97(ssi_private)) {
> > 
> > Please fix this indention. Most of the driver is written with 2 tab
> > indention after a line break and the new policy seems to be to indent on
> > the opening bracket.
> 
> Will reindent this.
> 
> > 
> > Regards,
> > 
> > Markus
> 
> Best regards,
> Maciej Szmigiero
> 
> 

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