Commit 2a9c226d authored Mar 10, 2020 by Laurent Pinchart Committed by Mauro Carvalho Chehab Mar 12, 2020

media: imx: imx7-media-csi: Support clamping Y10 and Y12 to Y8



10-bit and 12-bit greyscale input data to the CSI can be written as
8-bit data to memory. Support this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

parent b1f240ee

drivers/staging/media/imx/imx7-media-csi.c

+8 −0

Original line number	Diff line number	Diff line
		@@ -804,6 +804,14 @@ static int imx7_csi_configure(struct imx7_csi *csi)
		case V4L2_PIX_FMT_YUYV:
		cr18 \|= BIT_MIPI_DATA_FORMAT_YUV422_8B;
		break;
		case V4L2_PIX_FMT_GREY:
		if (in_code == MEDIA_BUS_FMT_Y8_1X8)
		cr18 \|= BIT_MIPI_DATA_FORMAT_RAW8;
		else if (in_code == MEDIA_BUS_FMT_Y10_1X10)
		cr18 \|= BIT_MIPI_DATA_FORMAT_RAW10;
		else
		cr18 \|= BIT_MIPI_DATA_FORMAT_RAW12;
		break;
		case V4L2_PIX_FMT_Y10:
		cr18 \|= BIT_MIPI_DATA_FORMAT_RAW10;
		cr1 \|= BIT_PIXEL_BIT;

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