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@xxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>
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