REG_GAIN
[REG_GAIN] = {
case REG_GAIN:
_ISL29501_EXT_INFO("agc_gain", REG_GAIN),
ret = ov7670_read(sd, REG_GAIN, &gain);
ret = ov7670_write(sd, REG_GAIN, value & 0xff);
{ REG_GAIN, 0 }, { REG_AECH, 0 },
ret = regmap_write(regmap, REG_GAIN, value & 0xff);
ret = regmap_read(regmap, REG_GAIN, &value0);
ret = ov965x_write(ov965x, REG_GAIN, rgain & 0xff);
ret = ov965x_read(ov965x, REG_GAIN, ®0);
err = reg_read(isight, REG_GAIN, &gain);
return reg_write(isight, REG_GAIN,