[RESEND PATCH v6 2/5] dt-bindings: pwm-backlight: add PWM delay proprieties.
lee.jones at linaro.org
Tue Apr 3 02:18:53 PDT 2018
On Wed, 28 Mar 2018, 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>
> Acked-by: Thierry Reding <thierry.reding at gmail.com>
> Acked-by: Daniel Thompson <daniel.thompson at linaro.org>
> Reviewed-by: Rob Herring <robh at kernel.org>
> Based on the original Huang Lin <hl at rock-chips.com> work.
> Changes since v5:
> - Add Acked-by: Thierry Reding <thierry.reding at gmail.com>
> - CC DT mainling list (for some reason dropped at some point, my
> 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(+)
Lee Jones [李琼斯]
Linaro Services Technical Lead
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