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path: root/drivers/media/i2c/ak881x.c
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Diffstat (limited to 'drivers/media/i2c/ak881x.c')
-rw-r--r--drivers/media/i2c/ak881x.c39
1 files changed, 4 insertions, 35 deletions
diff --git a/drivers/media/i2c/ak881x.c b/drivers/media/i2c/ak881x.c
index fd47465e4f6a..c14e66756b98 100644
--- a/drivers/media/i2c/ak881x.c
+++ b/drivers/media/i2c/ak881x.c
@@ -16,7 +16,6 @@
#include <linux/module.h>
#include <media/ak881x.h>
-#include <media/v4l2-chip-ident.h>
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
@@ -33,7 +32,6 @@ struct ak881x {
struct v4l2_subdev subdev;
struct ak881x_pdata *pdata;
unsigned int lines;
- int id; /* DEVICE_ID code V4L2_IDENT_AK881X code from v4l2-chip-ident.h */
char revision; /* DEVICE_REVISION content */
};
@@ -62,36 +60,16 @@ static struct ak881x *to_ak881x(const struct i2c_client *client)
return container_of(i2c_get_clientdata(client), struct ak881x, subdev);
}
-static int ak881x_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *id)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct ak881x *ak881x = to_ak881x(client);
-
- if (id->match.type != V4L2_CHIP_MATCH_I2C_ADDR)
- return -EINVAL;
-
- if (id->match.addr != client->addr)
- return -ENODEV;
-
- id->ident = ak881x->id;
- id->revision = ak881x->revision;
-
- return 0;
-}
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int ak881x_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x26)
+ if (reg->reg > 0x26)
return -EINVAL;
- if (reg->match.addr != client->addr)
- return -ENODEV;
-
+ reg->size = 1;
reg->val = reg_read(client, reg->reg);
if (reg->val > 0xffff)
@@ -105,12 +83,9 @@ static int ak881x_s_register(struct v4l2_subdev *sd,
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (reg->match.type != V4L2_CHIP_MATCH_I2C_ADDR || reg->reg > 0x26)
+ if (reg->reg > 0x26)
return -EINVAL;
- if (reg->match.addr != client->addr)
- return -ENODEV;
-
if (reg_write(client, reg->reg, reg->val) < 0)
return -EIO;
@@ -229,7 +204,6 @@ static int ak881x_s_stream(struct v4l2_subdev *sd, int enable)
}
static struct v4l2_subdev_core_ops ak881x_subdev_core_ops = {
- .g_chip_ident = ak881x_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = ak881x_g_register,
.s_register = ak881x_s_register,
@@ -264,7 +238,7 @@ static int ak881x_probe(struct i2c_client *client,
return -EIO;
}
- ak881x = kzalloc(sizeof(struct ak881x), GFP_KERNEL);
+ ak881x = devm_kzalloc(&client->dev, sizeof(*ak881x), GFP_KERNEL);
if (!ak881x)
return -ENOMEM;
@@ -274,15 +248,11 @@ static int ak881x_probe(struct i2c_client *client,
switch (data) {
case 0x13:
- ak881x->id = V4L2_IDENT_AK8813;
- break;
case 0x14:
- ak881x->id = V4L2_IDENT_AK8814;
break;
default:
dev_err(&client->dev,
"No ak881x chip detected, register read %x\n", data);
- kfree(ak881x);
return -ENODEV;
}
@@ -331,7 +301,6 @@ static int ak881x_remove(struct i2c_client *client)
struct ak881x *ak881x = to_ak881x(client);
v4l2_device_unregister_subdev(&ak881x->subdev);
- kfree(ak881x);
return 0;
}