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authorJacopo Mondi <[email protected]>2021-03-19 17:41:39 +0100
committerMauro Carvalho Chehab <[email protected]>2021-04-09 13:16:56 +0200
commit5f58ac04f36e32507d8f60fd47266ae2a60a2fa8 (patch)
tree03d4e1e8e9f6a54b3205b5def3ba7916e5743163
parentcdc62bfba0d71a5e88fe6a83a6cfc69f05a6f26b (diff)
media: i2c: rdamc21: Fix warning on u8 cast
Sparse reports a warning on a cast to u8 of a 16 bits constant. drivers/media/i2c/rdacm21.c:348:62: warning: cast truncates bits from constant value (300a becomes a) Even if the behaviour is intended, silence the sparse warning replacing the cast with a bitwise & operation. Fixes: a59f853b3b4b ("media: i2c: Add driver for RDACM21 camera module") Reported-by: Hans Verkuil <[email protected]> Reviewed-by: Kieran Bingham <[email protected]> Reviewed-by: Laurent Pinchart <[email protected]> Signed-off-by: Jacopo Mondi <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-rw-r--r--drivers/media/i2c/rdacm21.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/i2c/rdacm21.c b/drivers/media/i2c/rdacm21.c
index dcc21515e5a4..179d107f494c 100644
--- a/drivers/media/i2c/rdacm21.c
+++ b/drivers/media/i2c/rdacm21.c
@@ -345,7 +345,7 @@ static int ov10640_initialize(struct rdacm21_device *dev)
/* Read OV10640 ID to test communications. */
ov490_write_reg(dev, OV490_SCCB_SLAVE0_DIR, OV490_SCCB_SLAVE_READ);
ov490_write_reg(dev, OV490_SCCB_SLAVE0_ADDR_HIGH, OV10640_CHIP_ID >> 8);
- ov490_write_reg(dev, OV490_SCCB_SLAVE0_ADDR_LOW, (u8)OV10640_CHIP_ID);
+ ov490_write_reg(dev, OV490_SCCB_SLAVE0_ADDR_LOW, OV10640_CHIP_ID & 0xff);
/* Trigger SCCB slave transaction and give it some time to complete. */
ov490_write_reg(dev, OV490_HOST_CMD, OV490_HOST_CMD_TRIGGER);