media: i2c: ov9282: Add missing clk_disable_unprepare to error path

If ov9282_power_on failed the I2C write, it returned without releasing
clocks or regulators. Fix this.

Fixes: 6f7def3d8a65 ("media: i2c: ov9282: Add selection for CSI2 clock mode")
Signed-off-by: Dave Stevenson <[e-mail]>
Signed-off-by: Sakari Ailus <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/i2c/ov9282.c

···
 					OV9282_GATED_CLOCK : 0);
 	if (ret) {
 		dev_err(ov9282->dev, "fail to write MIPI_CTRL00");
-		return ret;
+		goto error_clk;
 	}
 
 	return 0;
 
+error_clk:
+	clk_disable_unprepare(ov9282->inclk);
 error_reset:
 	gpiod_set_value_cansleep(ov9282->reset_gpio, 0);