Re: [PATCH 1/6] drm/tinydrm: Add parameter for MIPI DCS pixel format

From: Andy Shevchenko
Date: Sun Jul 30 2017 - 14:11:08 EST


On Sat, Jul 29, 2017 at 10:17 PM, David Lechner <david@xxxxxxxxxxxxxx> wrote:
> This adds a parameter for MIPI DCS pixel format to mipi_dbi_init().
> This is in preparation for supporting displays that don't use a 16bpp
> memory layout.

> /* MIPI DCS pixel formats */
> -#define MIPI_DCS_PIXEL_FMT_24BIT 7
> -#define MIPI_DCS_PIXEL_FMT_18BIT 6
> -#define MIPI_DCS_PIXEL_FMT_16BIT 5
> -#define MIPI_DCS_PIXEL_FMT_12BIT 3
> -#define MIPI_DCS_PIXEL_FMT_8BIT 2
> -#define MIPI_DCS_PIXEL_FMT_3BIT 1
> +enum mipi_dcs_pixel_format {
> + MIPI_DCS_PIXEL_FMT_24BIT = 7,
> + MIPI_DCS_PIXEL_FMT_18BIT = 6,
> + MIPI_DCS_PIXEL_FMT_16BIT = 5,
> + MIPI_DCS_PIXEL_FMT_12BIT = 3,
> + MIPI_DCS_PIXEL_FMT_8BIT = 2,
> + MIPI_DCS_PIXEL_FMT_3BIT = 1,
> +};

May I ask what prevents us to arrange enums in natural
ordering (you may keep = X parts, of course)?

--
With Best Regards,
Andy Shevchenko