From b1e064c25e8fce911d0d9b8a9cca1d3183cd7130 Mon Sep 17 00:00:00 2001
From: Philipp Zabel
Date: Mon, 22 Jan 2018 11:16:32 -0500
Subject: [PATCH] media: imx: add 8-bit grayscale support
The IPUv3 code has 8-bit grayscale capture support.
Enable imx-media to use it.
Signed-off-by: Philipp Zabel
Signed-off-by: Hans Verkuil
Signed-off-by: Mauro Carvalho Chehab
---
drivers/staging/media/imx/imx-media-csi.c | 1 +
drivers/staging/media/imx/imx-media-utils.c | 8 +++++++-
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index 5a195f8..1aa2be8 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -400,6 +400,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
+ case V4L2_PIX_FMT_GREY:
burst_size = 16;
passthrough = true;
passthrough_bits = 8;
diff --git a/drivers/staging/media/imx/imx-media-utils.c b/drivers/staging/media/imx/imx-media-utils.c
index 8920f9b..40bcb8f 100644
--- a/drivers/staging/media/imx/imx-media-utils.c
+++ b/drivers/staging/media/imx/imx-media-utils.c
@@ -93,7 +93,7 @@ static const struct imx_media_pixfmt rgb_formats[] = {
.bpp = 32,
.ipufmt = true,
},
- /*** raw bayer formats start here ***/
+ /*** raw bayer and grayscale formats start here ***/
{
.fourcc = V4L2_PIX_FMT_SBGGR8,
.codes = {MEDIA_BUS_FMT_SBGGR8_1X8},
@@ -162,6 +162,12 @@ static const struct imx_media_pixfmt rgb_formats[] = {
.cs = IPUV3_COLORSPACE_RGB,
.bpp = 16,
.bayer = true,
+ }, {
+ .fourcc = V4L2_PIX_FMT_GREY,
+ .codes = {MEDIA_BUS_FMT_Y8_1X8},
+ .cs = IPUV3_COLORSPACE_RGB,
+ .bpp = 8,
+ .bayer = true,
},
/***
* non-mbus RGB formats start here. NOTE! when adding non-mbus
--
2.7.4