Re: [PATCH v1] staging: fbtft: fb_st7789v: enabled inversion

From: Dan Carpenter
Date: Thu Apr 09 2020 - 06:16:43 EST


On Thu, Apr 09, 2020 at 11:24:05AM +0200, Oliver Graute wrote:
> From: Oliver Graute <oliver.graute@xxxxxxxxxxxxxxxxx>
>
> Enable inversion mode
>
> Signed-off-by: Oliver Graute <oliver.graute@xxxxxxxxxxxxxxxxx>
> ---
> drivers/staging/fbtft/fb_st7789v.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/drivers/staging/fbtft/fb_st7789v.c b/drivers/staging/fbtft/fb_st7789v.c
> index 3c3f387936e8..84c5af2dc9a0 100644
> --- a/drivers/staging/fbtft/fb_st7789v.c
> +++ b/drivers/staging/fbtft/fb_st7789v.c
> @@ -120,6 +120,10 @@ static int init_display(struct fbtft_par *par)
> write_reg(par, PWCTRL1, 0xA4, 0xA1);
>
> write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
> +
> + /* enable inversion mode */
> + write_reg(par, 0x21);

Use the define and delete the comment.

write_reg(par, MIPI_DCS_ENTER_INVERT_MODE);

regards,
dan carpenter