[PATCH v2.1 04/13] drm: Add data transmission order bus flag

[Thierry Reding]

On Wed, Jan 04, 2017 at 02:39:26AM +0200, Laurent Pinchart wrote:
> The flags indicate whether data is transmitted lsb to msb or msb to lsb
> on the bus.
> 
> The exact meaning is bus-type dependent. For instance, for LVDS buses
> the flags indicate whether the seven data bits transmitted in a clock
> pulse are sent in normal order (msb to lsb, slots 0 to 6) or reverse
> order (lsb to msb, slots 6 to 0).
> 
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
> Changes since v2:
> 
> - Rename the flag to DRM_BUS_FLAG_DATA_LSB_TO_MSB and add a
>   corresponding DRM_BUS_FLAG_DATA_MSB_TO_LSB flag.
> ---
>  include/drm/drm_connector.h | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index a9b95246e26e..712f255577ea 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -160,6 +160,10 @@ struct drm_display_info {
>  #define DRM_BUS_FLAG_PIXDATA_POSEDGE	(1<<2)
>  /* drive data on neg. edge */
>  #define DRM_BUS_FLAG_PIXDATA_NEGEDGE	(1<<3)
> +/* data is transmitted msb to lsb on the bus */
> +#define DRM_BUS_FLAG_DATA_MSB_TO_LSB	(1<<4)
> +/* data is transmitted lsb to msb on the bus */
> +#define DRM_BUS_FLAG_DATA_LSB_TO_MSB	(1<<5)

Nit: "LSB" and "MSB" because they're abbreviations. If I end up applying
this I'll probably do that myself, and I leave it up to whoever else
might apply it whether or not they want to be pedantic, so:

Reviewed-by: Thierry Reding <treding at nvidia.com>
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