[PATCH V3] ASoC: fsl_ssi: refine ipg clock usage in this module

[Nicolin Chen]

On Fri, Sep 12, 2014 at 06:35:15PM +0800, Shengjiu Wang wrote:
> Check if ipg clock is in clock-names property, then we can move the
> ipg clock enable and disable operation to startup and shutdown, that
> is only enable ipg clock when ssi is working and keep clock is disabled
> when ssi is in idle.
> But when the checking is failed, remain the clock control as before.
> 
> Signed-off-by: Shengjiu Wang <shengjiu.wang at freescale.com>

The patch looks fine to me. I tested the has_ipg_clk_name == true
case, and it works fine. As long as there's no further objection,
I can give an Acked-by. (I think Timur and Markus may like to have
a test as well.)

Thank you
Nicolin