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path: root/drivers/media/i2c/m52790.c
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Diffstat (limited to 'drivers/media/i2c/m52790.c')
-rw-r--r--drivers/media/i2c/m52790.c22
1 files changed, 1 insertions, 21 deletions
diff --git a/drivers/media/i2c/m52790.c b/drivers/media/i2c/m52790.c
index 39f50fd..bf47635 100644
--- a/drivers/media/i2c/m52790.c
+++ b/drivers/media/i2c/m52790.c
@@ -29,7 +29,6 @@
#include <linux/videodev2.h>
#include <media/m52790.h>
#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
MODULE_DESCRIPTION("i2c device driver for m52790 A/V switch");
MODULE_AUTHOR("Hans Verkuil");
@@ -83,12 +82,7 @@ static int m52790_s_routing(struct v4l2_subdev *sd,
static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
struct m52790_state *state = to_state(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (reg->reg != 0)
return -EINVAL;
reg->size = 1;
@@ -99,12 +93,7 @@ static int m52790_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{
struct m52790_state *state = to_state(sd);
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
if (reg->reg != 0)
return -EINVAL;
state->input = reg->val & 0x0303;
@@ -114,13 +103,6 @@ static int m52790_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_regis
}
#endif
-static int m52790_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
-{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_M52790, 0);
-}
-
static int m52790_log_status(struct v4l2_subdev *sd)
{
struct m52790_state *state = to_state(sd);
@@ -136,7 +118,6 @@ static int m52790_log_status(struct v4l2_subdev *sd)
static const struct v4l2_subdev_core_ops m52790_core_ops = {
.log_status = m52790_log_status,
- .g_chip_ident = m52790_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = m52790_g_register,
.s_register = m52790_s_register,
@@ -174,7 +155,7 @@ static int m52790_probe(struct i2c_client *client,
v4l_info(client, "chip found @ 0x%x (%s)\n",
client->addr << 1, client->adapter->name);
- state = kzalloc(sizeof(struct m52790_state), GFP_KERNEL);
+ state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
if (state == NULL)
return -ENOMEM;
@@ -191,7 +172,6 @@ static int m52790_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
v4l2_device_unregister_subdev(sd);
- kfree(to_state(sd));
return 0;
}