diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0478-media-i2c-ti9x4-fix-framesync.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0478-media-i2c-ti9x4-fix-framesync.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0478-media-i2c-ti9x4-fix-framesync.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0478-media-i2c-ti9x4-fix-framesync.patch new file mode 100644 index 00000000..3e7b9dd4 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0478-media-i2c-ti9x4-fix-framesync.patch @@ -0,0 +1,40 @@ +From 08a1910dd33fa0b5628d641854db8fb3200272f6 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Wed, 19 Feb 2020 01:49:42 +0300 +Subject: [PATCH] media: i2c: ti9x4: fix framesync + +This fixes frames syncronization. +Cameras must start (fsinc start) simultaneously, hence enable +framesync when all cameras are set up + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/media/i2c/soc_camera/ti9x4.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/drivers/media/i2c/soc_camera/ti9x4.c b/drivers/media/i2c/soc_camera/ti9x4.c +index b671736..9004bb1 100644 +--- a/drivers/media/i2c/soc_camera/ti9x4.c ++++ b/drivers/media/i2c/soc_camera/ti9x4.c +@@ -218,8 +218,7 @@ static void ti9x4_initial_setup(struct i2c_client *client) + reg8_write(client, 0x1a, 2 & 0xff); /* FrameSync high time LSB */ + reg8_write(client, 0x1b, priv->fs_time >> 8); /* FrameSync low time MSB */ + reg8_write(client, 0x1c, priv->fs_time & 0xff); /* FrameSync low time LSB */ +- reg8_write(client, 0x18, 0x01); /* Enable FrameSync, HI/LO mode, Frame clock from port0 */ +-// reg8_write(client, 0x18, 0x80); /* Enable FrameSync, HI/LO mode, Frame clock from port0 */ ++ reg8_write(client, 0x18, 0x00); /* Disable FrameSync - must be enabled after all cameras are set up */ + #endif + } + +@@ -415,6 +414,8 @@ static int ti9x4_registered_async(struct v4l2_subdev *sd) + struct i2c_client *client = priv->client; + + reg8_write(client, 0x33, ((priv->lanes - 1) ^ 0x3) << 4 | 0x1); /* enable CSI output, set CSI lane count, non-continuous CSI mode */ ++ reg8_write(client, 0x18, 0x01); /* Enable FrameSync, HI/LO mode, Frame clock from port0 */ ++// reg8_write(client, 0x18, 0x80); /* Enable FrameSync, Frame clock is external */ + + return 0; + } +-- +2.7.4 + |