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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2020-03-10 17:06:33 +0100
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-03-12 17:32:20 +0100
commit2a9c226da9aa997d862a22292279e806114a9db8 (patch)
treee3ec11d12af4263241f1fb9457ff7608f934764a /drivers/staging/media
parentb1f240eeef79711e4bb0459f8eca501ac1d3eb2a (diff)
downloadlinux-2a9c226da9aa997d862a22292279e806114a9db8.tar.bz2
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>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/imx/imx7-media-csi.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c
index a7771dd61859..acbdffb77668 100644
--- a/drivers/staging/media/imx/imx7-media-csi.c
+++ b/drivers/staging/media/imx/imx7-media-csi.c
@@ -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;