Hi Mauro On Thu, Apr 08, 2021 at 09:40:03AM +0200, Mauro Carvalho Chehab wrote: > As warned by sparse: > > drivers/media/i2c/rdacm21.c:348:62: warning: cast truncates bits from constant value (300a becomes a) > > the intention of the code is to get just the lowest 8 bits. > So, instead of using a typecast, use a bit and logic. > > Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx> Please see https://patchwork.linuxtv.org/project/linux-media/patch/20210319164148.199192-11-jacopo+renesas@xxxxxxxxxx/ Whatever gets in first it's fine, so you can add my Acked-by: Jacopo Mondi <jacopo@xxxxxxxxxx> to this one too Thanks j > --- > drivers/media/i2c/rdacm21.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > 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); > -- > 2.30.2 >
