[alsa-devel] [PATCH v4 12/17] ASoC: fsl-ssi: set bitclock in master mode from hw_params
mpa at pengutronix.de
Tue May 27 09:05:22 CEST 2014
On Tue, May 20, 2014 at 11:08:02PM +0100, Mark Brown wrote:
> On Mon, Apr 28, 2014 at 12:54:53PM +0200, Markus Pargmann wrote:
> > From: Sascha Hauer <s.hauer at pengutronix.de>
> > The fsl_ssi driver uses the .set_sysclk callback to configure the
> > bitclock for master mode. This is unnecessary since the bitclock
> > is known in hw_params. This patch removes the .set_sysclk callback
> > and configures the bitclock from .hw_params.
> > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > ---
> This isn't signed off either. Are we positive that none of the users
> set the bitclock to something non-default - there are devices out there
> which require an unusual bitclock (eg, where it's also used as the
> master clock and so needs overclocking)?
No, I don't know if there are actual users of this set_dai_sysclk.
> Providing a default as this does is a definite win, but allowing it to
> be overridden may be needed sometimes (rarely fortunately). Leaving a
> stub set_sysclk() that just sets a variable and then using that value
> instead of calculating in hw_params() would get the best of both worlds.
Okay, I will change it.
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