media: ov7251: add missing disable functions on error in ov7251_set_power_on()

Add the missing gpiod_set_value_cansleep() and clk_disable_unprepare()
before return from ov7251_set_power_on() in the error handling case.

Fixes: 9e1d3012 ("media: i2c: Remove .s_power() from ov7251")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/i2c/ov7251.c

@@ -934,6 +934,8 @@ static int ov7251_set_power_on(struct device *dev)
 					ARRAY_SIZE(ov7251_global_init_setting));
 	if (ret < 0) {
 		dev_err(ov7251->dev, "error during global init\n");
+		gpiod_set_value_cansleep(ov7251->enable_gpio, 0);
+		clk_disable_unprepare(ov7251->xclk);
 		ov7251_regulators_disable(ov7251);
 		return ret;
 	}