[U-Boot] [PATCH v2 5/8] rockchip: board: evb_rk3399: initialize pwm0 for dispaly backlight

[Eddie Cai]

2017-04-18 15:09 GMT+08:00 Eric Gao <eric.gao at rock-chips.com>:

> Signed-off-by: Eric Gao <eric.gao at rock-chips.com>
>
> ---
>
> Changes in v2:
> -Add pwm0 pinctrl init for lcd backlight.
>
>  board/rockchip/evb_rk3399/evb-rk3399.c | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/board/rockchip/evb_rk3399/evb-rk3399.c
> b/board/rockchip/evb_rk3399/evb-rk3399.c
> index 362fa0b..76ab467 100644
> --- a/board/rockchip/evb_rk3399/evb-rk3399.c
> +++ b/board/rockchip/evb_rk3399/evb-rk3399.c
> @@ -28,6 +28,13 @@ int board_init(void)
>                 goto out;
>         }
>
> +       /* Enable pwm0 for panel backlight */
> +       ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM0);
> +       if (ret) {
> +               debug("%s PWM0 pinctrl init fail!\n", __func__);
>
can you also print the ret value?

> +               goto out;
> +       }
> +
>         ret = pinctrl_request_noflags(pinctrl, PERIPH_ID_PWM2);
>         if (ret) {
>                 debug("%s PWM2 pinctrl init fail!\n", __func__);
> --
> 1.9.1
>
>
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