media: i2c: lm3560: add support for lm3559 chip

Add support for LM3559, as found in Motorola Droid 4 phone, for
example. SW interface seems to be identical.

Signed-off-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/i2c/lm3560.c

@@ -1,6 +1,6 @@
 /*
  * drivers/media/i2c/lm3560.c
- * General device driver for TI lm3560, FLASH LED Driver
+ * General device driver for TI lm3559, lm3560, FLASH LED Driver
  *
  * Copyright (C) 2013 Texas Instruments
  *
@@ -465,6 +465,7 @@ static int lm3560_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id lm3560_id_table[] = {
+	{LM3559_NAME, 0},
 	{LM3560_NAME, 0},
 	{}
 };

include/media/i2c/lm3560.h

@@ -22,6 +22,7 @@
 
 #include <media/v4l2-subdev.h>
 
+#define LM3559_NAME	"lm3559"
 #define LM3560_NAME	"lm3560"
 #define LM3560_I2C_ADDR	(0x53)