[PATCH v2 08/12] drm: dsi: Add "enter idle" & "exit idle" dcs functions

[Varka Bhadram]

On 07/01/2015 01:51 PM, Mark Zhang wrote:
> Signed-off-by: Mark Zhang<markz at nvidia.com>
> ---
>   drivers/gpu/drm/drm_mipi_dsi.c |   36 ++++++++++++++++++++++++++++++++++++
>   include/drm/drm_mipi_dsi.h     |    2 ++
>   2 files changed, 38 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c
> index 2d5ca8eec13a..9bc6ff75eb8f 100644
> --- a/drivers/gpu/drm/drm_mipi_dsi.c
> +++ b/drivers/gpu/drm/drm_mipi_dsi.c
> @@ -862,6 +862,42 @@ int mipi_dsi_dcs_set_pixel_format(struct mipi_dsi_device 
> *dsi, u8 format)
>   }
>   EXPORT_SYMBOL(mipi_dsi_dcs_set_pixel_format);
>   
> +/**
> + * mipi_dsi_dcs_enter_idle_mode()
> + * @dsi: DSI peripheral device
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int mipi_dsi_dcs_enter_idle_mode(struct mipi_dsi_device *dsi)
> +{
> +     ssize_t err;
> +
> +     err = mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_IDLE_MODE, NULL, 0);
> +     if (err < 0)
> +             return err;
> +
> +     return 0;
> +}

This we can do simply as:
        return mipi_dsi_dcs_write(dsi, MIPI_DCS_ENTER_IDLE_MODE, NULL, 0);

> +EXPORT_SYMBOL(mipi_dsi_dcs_enter_idle_mode);
> +
> +/**
> + * mipi_dsi_dcs_exit_idle_mode()
> + * @dsi: DSI peripheral device
> + *
> + * Return: 0 on success or a negative error code on failure.
> + */
> +int mipi_dsi_dcs_exit_idle_mode(struct mipi_dsi_device *dsi)
> +{
> +     ssize_t err;
> +
> +     err = mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_IDLE_MODE, NULL, 0);
> +     if (err < 0)
> +             return err;
> +
> +     return 0;

For this one also: return mipi_dsi_dcs_write(dsi, MIPI_DCS_EXIT_IDLE_MODE, 
NULL, 0);


-- 
Varka Bhadram.