Messages in this thread | | | Date | Thu, 1 Sep 2016 20:51:06 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v3 2/2] regulator: pwm: Prevent falling too fast |
| |
On Tue, Aug 30, 2016 at 09:21:16PM -0700, Douglas Anderson wrote:
> In this patch we actually block returning from the set_voltage() call > until we've finished delaying. A future patch atop this one might > choose to return more immediately and let the voltages fall in the > background. That would possibly to allow us to cancel a slow downward > decay if there was a request to go back up.
We already have mechanisms in the core for drivers to tell the core how long a ramp they need for a given voltage transition - you should extend them (probably needs a set_voltage_time() operation adding) so that anything like this can be done in the core rather than open coded in drivers. [unhandled content-type:application/pgp-signature] | |