[PATCH v6 1/5] pwm-backlight: enable/disable the PWM before/after LCD enable toggle.

Lee Jones lee.jones at linaro.org
Wed Mar 28 04:12:09 PDT 2018


On Mon, 26 Mar 2018, Enric Balletbo i Serra wrote:

> Before this patch the enable signal was set before the PWM signal and
> vice-versa on power off. This sequence is wrong, at least, it is on
> the different panels datasheets that I checked, so I inverted the sequence
> to follow the specs.
> 
> For reference the following panels have the mentioned sequence:
>   - N133HSE-EA1 (Innolux)
>   - N116BGE (Innolux)
>   - N156BGE-L21 (Innolux)
>   - B101EAN0 (Auo)
>   - B101AW03 (Auo)
>   - LTN101NT05 (Samsung)
>   - CLAA101WA01A (Chunghwa)
> 
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo at collabora.com>
> Acked-by: Daniel Thompson <daniel.thompson at linaro.org>
> Acked-by: Jingoo Han <jingoohan1 at gmail.com>
> Acked-by: Thierry Reding <thierry.reding at gmail.com>
> ---
> Changes since v5:
>  - Add Acked-by: Thierry Reding <thierry.reding at gmail.com>
> Changes since v4:
>  - Rebase on top of mainline.
>  - Add the acks from Daniel Thompson and Jingoo Han.
> Changes since v3:
>  - List the part numbers for the panel checked (Daniel Thompson)
> Changes since v2:
>  - Add this as a separate patch (Thierry Reding)
> Changes since v1:
>  - None
> ---
>  drivers/video/backlight/pwm_bl.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)

Enric,

Please collect all of your Acks and submit a RESEND.

I will then apply the set.

-- 
Lee Jones [李琼斯]
Linaro Services Technical Lead
Linaro.org │ Open source software for ARM SoCs
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