On Mon, Oct 13, 2008 at 04:22:06PM +0200, Sedji Gaouaou wrote:
> ext-jukka.hynninen@xxxxxxxxxxx a ?crit :
> >> + switch (div_id) {
> >> + case AT91SSC_CMR_DIV:
> >> + /*
> >> + * The same master clock divider is used for both
> >> + * transmit and receive, so if a value has already
> >> + * been set, it must match this value.
> >> + */
> >> + if (ssc_p->cmr_div == 0)
> >> + ssc_p->cmr_div = div;
> >> + else
> >> + if (div != ssc_p->cmr_div)
> >> + return -EBUSY;
> >> + break;
> What happens if the user wants to change the master clock divider at
> runtime - for example, when changing sample rates?
Usually you'd end up using constraints to prevent user space selecting a
different sample rate if it wasn't possible to change safely.
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