HID: i2c-hid: Use ACPI_COMPANION() directly

Instead of doing additional checks and functional calls,
just get ACPI companion device directly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/i2c-hid/i2c-hid.c b/drivers/hid/i2c-hid/i2c-hid.c
index 7230243..0d3ca54 100644
--- a/drivers/hid/i2c-hid/i2c-hid.c
+++ b/drivers/hid/i2c-hid/i2c-hid.c
@@ -891,10 +891,10 @@
 
 static void i2c_hid_acpi_fix_up_power(struct device *dev)
 {
-	acpi_handle handle = ACPI_HANDLE(dev);
 	struct acpi_device *adev;
 
-	if (handle && acpi_bus_get_device(handle, &adev) == 0)
+	adev = ACPI_COMPANION(dev);
+	if (adev)
 		acpi_device_fix_up_power(adev);
 }