Input: s3c2410_ts - fix preparing/enabling clock

Use clk_prepare_enable/clk_disable_unprepare to make the driver
work properly with common clock framework.

Signed-off-by: Vasily Khoruzhick <[e-mail]>
Reviewed-by: Tomasz Figa <[e-mail]>
Signed-off-by: Dmitry Torokhov <[e-mail]>

drivers/input/touchscreen/s3c2410_ts.c

···
 		return -ENOENT;
 	}
 
-	clk_enable(ts.clock);
+	clk_prepare_enable(ts.clock);
 	dev_dbg(dev, "got and enabled clocks\n");
 
 	ts.irq_tc = ret = platform_get_irq(pdev, 0);
···
 	free_irq(ts.irq_tc, ts.input);
 	del_timer_sync(&touch_timer);
 
-	clk_disable(ts.clock);
+	clk_disable_unprepare(ts.clock);
 	clk_put(ts.clock);
 
 	input_unregister_device(ts.input);