On Fri, Feb 16, 2018 at 06:40:31PM +0100, Enric Balletbo i Serra wrote: > Hardware needs a delay between setting an initial (non-zero) PWM and > enabling the backlight using GPIO. The post-pwm-on-delay-ms specifies > this delay in milli seconds. Hardware also needs a delay between disabing > the backlight using GPIO and setting PWM value to 0. The pwm-off-delay-ms > is this delay in milli seconds. > > Signed-off-by: Enric Balletbo i Serra <enric.balletbo at collabora.com> > Acked-by: Pavel Machek <pavel at ucw.cz> > --- > Based on the original Huang Lin <hl at rock-chips.com> work. > > Changes since v4: > - Rebase on top of mainline. > Changes since v3: > - Replace us for ms. > - Add Acked-by: Pavel Machek <pavel at ucw.cz> > Changes since v2: > - Use separate properties (Rob Herring) > Changes since v1: > - As suggested by Daniel Thompson > - Do not assume power-on delay and power-off delay will be the same > > Documentation/devicetree/bindings/leds/backlight/pwm-backlight.txt | 6 ++++++ > 1 file changed, 6 insertions(+) Acked-by: Thierry Reding <thierry.reding at gmail.com> -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/linux-rockchip/attachments/20180319/aa104cdb/attachment-0001.sig>
