[PATCH v2 3/4] drm/dsi: Implement dcs set/get display brightness

[Emil Velikov]

On 13 July 2016 at 17:44, Vinay Simha BN <simhavcs at gmail.com> wrote:

> +int mipi_dsi_dcs_get_display_brightness(struct mipi_dsi_device *dsi,
> +                                       u16 *brightness)
> +{
> +       ssize_t err;
> +
> +       err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
> +                               brightness, sizeof(*brightness));
> +       if (err < 0) {
> +               if (err == 0)
Something looks fishy here. This can never be true, can it ?

 -Emil