Re: [PATCH] OMAP: DSS2: Adding check_timings and set_timings for panel-taal

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Mayuresh,

One minor comment below.

On Wed, Dec 1, 2010 at 16:29, Janorkar, Mayuresh <mayur@xxxxxx> wrote:
> From: Mayuresh Janorkar <mayur@xxxxxx>
>
> This patch would add two APIs for panel-taal:
> check_timings and set_timings.
>
> These are required by omapfb in case we wish to set default mode through bootargs.
> e.g.: omapfb.mode="lcd:640x480-16" (display device:width X height - bits per pixel)
>
> omapfb_set_def_mode function in omapfb-main.c essentially needs these functions
> otherwise it would return -EINVAL and default mode sent through bootargs
> would be ignored.
>
> Signed-off-by: Mayuresh Janorkar <mayur@xxxxxx>
> ---
>  drivers/video/omap2/displays/panel-taal.c |   25 +++++++++++++++++++++++++
>  1 files changed, 25 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
> index e1c765d..e29c308 100644
> --- a/drivers/video/omap2/displays/panel-taal.c
> +++ b/drivers/video/omap2/displays/panel-taal.c
> @@ -476,6 +476,29 @@ static void taal_get_timings(struct omap_dss_device *dssdev,
>        *timings = dssdev->panel.timings;
>  }
>
> +static void taal_set_timings(struct omap_dss_device *dssdev,
> +                       struct omap_video_timings *timings)
> +{
> +       /* TAAL panel's timing struct has only x_res and y_res
> +        * other timing parameters are not set
> +        */

Check multi-line comment style

> +       dssdev->panel.timings.x_res = timings->x_res;
> +       dssdev->panel.timings.y_res = timings->y_res;
> +}
> +
> +static int taal_check_timings(struct omap_dss_device *dssdev,
> +                       struct omap_video_timings *timings)
> +{
> +       /* TAAL panel's timing struct has only x_res and y_res
> +        * other timing parameters are not set
> +        */

Ditto

> +       if (!timings || timings->x_res != dssdev->panel.timings.x_res ||
> +               timings->y_res != dssdev->panel.timings.y_res)
> +               return -EINVAL;
> +
> +       return 0;
> +}
> +
>  static void taal_get_resolution(struct omap_dss_device *dssdev,
>                u16 *xres, u16 *yres)
>  {
> @@ -1563,6 +1586,8 @@ static struct omap_dss_driver taal_driver = {
>        .memory_read    = taal_memory_read,
>
>        .get_timings    = taal_get_timings,
> +       .set_timings    = taal_set_timings,
> +       .check_timings  = taal_check_timings,
>
>        .driver         = {
>                .name   = "taal",
--
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