Hi Todor,
On Wed, Apr 25, 2018 at 07:20:46PM +0300, Todor Tomov wrote:
...
> +static int ov7251_write_reg(struct ov7251 *ov7251, u16 reg, u8 val)
> +{
> + u8 regbuf[3];
> + int ret;
> +
> + regbuf[0] = reg >> 8;
> + regbuf[1] = reg & 0xff;
> + regbuf[2] = val;
> +
> + ret = i2c_master_send(ov7251->i2c_client, regbuf, 3);
> + if (ret < 0) {
> + dev_err(ov7251->dev, "%s: write reg error %d: reg=%x, val=%x\n",
> + __func__, ret, reg, val);
> + return ret;
> + }
> +
> + return 0;
How about:
return ov7251_write_seq_regs(ov7251, reg, &val, 1);
And put the function below ov2751_write_seq_regs().
> +}
> +
> +static int ov7251_write_seq_regs(struct ov7251 *ov7251, u16 reg, u8 *val,
> + u8 num)
> +{
> + const u8 maxregbuf = 5;
> + u8 regbuf[maxregbuf];
> + u8 nregbuf = sizeof(reg) + num * sizeof(*val);
> + int ret = 0;
> +
> + if (nregbuf > maxregbuf)
> + return -EINVAL;
> +
> + regbuf[0] = reg >> 8;
> + regbuf[1] = reg & 0xff;
> +
> + memcpy(regbuf + 2, val, num);
> +
> + ret = i2c_master_send(ov7251->i2c_client, regbuf, nregbuf);
> + if (ret < 0) {
> + dev_err(ov7251->dev, "%s: write seq regs error %d: first reg=%x\n",
This line is over 80...
If you're happy with these, I can make the changes, too; they're trivial.
> + __func__, ret, reg);
> + return ret;
> + }
> +
> + return 0;
> +}
--
Kind regards,
Sakari Ailus
e-mail: sakari.ailus@xxxxxx
