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media: imx: imx-mipi-csis: Add BGR888

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Add support for the BGR888_1X24 image format.

No existing media bus codes describe exactly the way data is transferred
on the CSI-2 bus. This is not a new issue, the CSI-2 YUV422 8-bit format
is described by MEDIA_BUS_FMT_UYVY8_1X16 which is an arbitrary
convention and not an exact match. Use the MEDIA_BUS_FMT_BGR888_1X24 to
follow the same convention, based on the order in which bits are
transmitted over the CSI-2 bus.

Signed-off-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
This commit is contained in:
Jacopo Mondi 2022-02-21 18:47:26 +01:00 committed by Hans Verkuil
parent 6d8d3c0953
commit 28ba5e8024
1 changed files with 4 additions and 0 deletions
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4
drivers/media/platform/imx/imx-mipi-csis.c
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@ -365,6 +365,10 @@ static const struct csis_pix_format mipi_csis_formats[] = {
.code = MEDIA_BUS_FMT_RGB565_1X16,
.data_type = MIPI_CSI2_DATA_TYPE_RGB565,
.width = 16,
}, {
.code = MEDIA_BUS_FMT_BGR888_1X24,
.data_type = MIPI_CSI2_DATA_TYPE_RGB888,
.width = 24,
},
/* RAW (Bayer and greyscale) formats. */
{