Re: [PATCH v2 1/3] drm/panel: nt36672a: add backlight support

From: Marijn Suijten
Date: Wed Apr 06 2022 - 13:57:06 EST


On 2022-04-01 05:48:08, Joel Selvaraj wrote:
> Add support for backlight. This panel supports backlight control
> through the QCOM WLED driver in Xiaomi Poco F1 device.
>
> Signed-off-by: Joel Selvaraj <jo@xxxxxxxxxxx>

Reviewed-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>

> ---
> drivers/gpu/drm/panel/panel-novatek-nt36672a.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
> index 231f371901e8..6d6ce42787e2 100644
> --- a/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
> +++ b/drivers/gpu/drm/panel/panel-novatek-nt36672a.c
> @@ -628,6 +628,10 @@ static int nt36672a_panel_add(struct nt36672a_panel *pinfo)
>
> drm_panel_init(&pinfo->base, dev, &panel_funcs, DRM_MODE_CONNECTOR_DSI);
>
> + ret = drm_panel_of_backlight(&pinfo->base);
> + if (ret)
> + return dev_err_probe(dev, ret, "Failed to get backlight\n");
> +
> drm_panel_add(&pinfo->base);
>
> return 0;
> --
> 2.35.1
>