Em Thu, 8 Feb 2018 11:41:59 +0200
Todor Tomov <todor.to...@linaro.org> escreveu:
> I2C transfer functions return number of successful operations (on success).
>
> Do not return the received positive return code but instead return 0 on
> success. The users of write_reg function already use this logic.
>
> Signed-off-by: Todor Tomov <todor.to...@linaro.org>
> ---
> drivers/media/i2c/ov5645.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/media/i2c/ov5645.c b/drivers/media/i2c/ov5645.c
> index d28845f..9755562 100644
> --- a/drivers/media/i2c/ov5645.c
> +++ b/drivers/media/i2c/ov5645.c
> @@ -600,11 +600,13 @@ static int ov5645_write_reg(struct ov5645 *ov5645, u16
> reg, u8 val)
> regbuf[2] = val;
>
> ret = i2c_master_send(ov5645->i2c_client, regbuf, 3);
> - if (ret < 0)
> + if (ret < 0) {
> dev_err(ov5645->dev, "%s: write reg error %d: reg=%x, val=%x\n",
> __func__, ret, reg, val);
> + return ret;
> + }
Actually, if ret < 3, it should return an error too (like -EREMOTEIO
or -EIO).
>
> - return ret;
> + return 0;
> }
>
> static int ov5645_read_reg(struct ov5645 *ov5645, u16 reg, u8 *val)
Thanks,
Mauro
