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

From: Ricardo Ribalda Delgado
Date: Thu Sep 20 2018 - 16:46:04 EST


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