[[PATCH v3] 5/6] [media] ad5820: Add support for ad5821 and ad5823

[Ricardo Ribalda Delgado]

According to the datasheet, both AD5821 and AD5820 share a compatible
register-set:
http://www.analog.com/media/en/technical-documentation/data-sheets/AD5821.pdf

Some camera modules also refer that AD5823 is a replacement of AD5820:
https://download.kamami.com/p564094-OV8865_DS.pdf

Suggested-by: Pavel Machek <pavel@xxxxxx>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
---
 drivers/media/i2c/ad5820.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/ad5820.c b/drivers/media/i2c/ad5820.c
index 5d1185e7f78d..c52af302d516 100644
--- a/drivers/media/i2c/ad5820.c
+++ b/drivers/media/i2c/ad5820.c
@@ -34,8 +34,6 @@
 #include <media/v4l2-device.h>
 #include <media/v4l2-subdev.h>
 
-#define AD5820_NAME		"ad5820"
-
 /* Register definitions */
 #define AD5820_POWER_DOWN		(1 << 15)
 #define AD5820_DAC_SHIFT		4
@@ -368,7 +366,9 @@ static int ad5820_remove(struct i2c_client *client)
 }
 
 static const struct i2c_device_id ad5820_id_table[] = {
-	{ AD5820_NAME, 0 },
+	{ "ad5820", 0 },
+	{ "ad5821", 0 },
+	{ "ad5823", 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, ad5820_id_table);
@@ -376,6 +376,8 @@ MODULE_DEVICE_TABLE(i2c, ad5820_id_table);
 #ifdef CONFIG_OF
 static const struct of_device_id ad5820_of_table[] = {
 	{ .compatible = "adi,ad5820" },
+	{ .compatible = "adi,ad5821" },
+	{ .compatible = "adi,ad5823" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, ad5820_of_table);
@@ -384,6 +386,8 @@ MODULE_DEVICE_TABLE(of, ad5820_of_table);
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id ad5820_acpi_ids[] = {
 	{ "AD5820" },
+	{ "AD5821" },
+	{ "AD5823" },
 	{ }
 };
 
@@ -394,7 +398,7 @@ static SIMPLE_DEV_PM_OPS(ad5820_pm, ad5820_suspend, ad5820_resume);
 
 static struct i2c_driver ad5820_i2c_driver = {
 	.driver		= {
-		.name	= AD5820_NAME,
+		.name	= "ad5820",
 		.pm	= &ad5820_pm,
 		.of_match_table = of_match_ptr(ad5820_of_table),
 		.acpi_match_table = ACPI_PTR(ad5820_acpi_ids),
-- 
2.18.0