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path: root/drivers/media/i2c/vs6624.c
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Diffstat (limited to 'drivers/media/i2c/vs6624.c')
-rw-r--r--drivers/media/i2c/vs6624.c46
1 files changed, 5 insertions, 41 deletions
diff --git a/drivers/media/i2c/vs6624.c b/drivers/media/i2c/vs6624.c
index f366fad6269e..25bdd9312fea 100644
--- a/drivers/media/i2c/vs6624.c
+++ b/drivers/media/i2c/vs6624.c
@@ -27,7 +27,6 @@
#include <linux/types.h>
#include <linux/videodev2.h>
-#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-mediabus.h>
@@ -722,27 +721,9 @@ static int vs6624_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
-static int vs6624_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *chip)
-{
- int rev;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- rev = (vs6624_read(sd, VS6624_FW_VSN_MAJOR) << 8)
- | vs6624_read(sd, VS6624_FW_VSN_MINOR);
-
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_VS6624, rev);
-}
-
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
{
- 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;
reg->val = vs6624_read(sd, reg->reg & 0xffff);
reg->size = 1;
return 0;
@@ -750,12 +731,6 @@ static int vs6624_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *r
static int vs6624_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
{
- 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;
vs6624_write(sd, reg->reg & 0xffff, reg->val & 0xff);
return 0;
}
@@ -766,7 +741,6 @@ static const struct v4l2_ctrl_ops vs6624_ctrl_ops = {
};
static const struct v4l2_subdev_core_ops vs6624_core_ops = {
- .g_chip_ident = vs6624_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = vs6624_g_register,
.s_register = vs6624_s_register,
@@ -805,20 +779,18 @@ static int vs6624_probe(struct i2c_client *client,
if (ce == NULL)
return -EINVAL;
- ret = gpio_request(*ce, "VS6624 Chip Enable");
+ ret = devm_gpio_request_one(&client->dev, *ce, GPIOF_OUT_INIT_HIGH,
+ "VS6624 Chip Enable");
if (ret) {
v4l_err(client, "failed to request GPIO %d\n", *ce);
return ret;
}
- gpio_direction_output(*ce, 1);
/* wait 100ms before any further i2c writes are performed */
mdelay(100);
- sensor = kzalloc(sizeof(*sensor), GFP_KERNEL);
- if (sensor == NULL) {
- gpio_free(*ce);
+ sensor = devm_kzalloc(&client->dev, sizeof(*sensor), GFP_KERNEL);
+ if (sensor == NULL)
return -ENOMEM;
- }
sd = &sensor->sd;
v4l2_i2c_subdev_init(sd, client, &vs6624_ops);
@@ -866,30 +838,22 @@ static int vs6624_probe(struct i2c_client *client,
int err = hdl->error;
v4l2_ctrl_handler_free(hdl);
- kfree(sensor);
- gpio_free(*ce);
return err;
}
/* initialize the hardware to the default control values */
ret = v4l2_ctrl_handler_setup(hdl);
- if (ret) {
+ if (ret)
v4l2_ctrl_handler_free(hdl);
- kfree(sensor);
- gpio_free(*ce);
- }
return ret;
}
static int vs6624_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
- struct vs6624 *sensor = to_vs6624(sd);
v4l2_device_unregister_subdev(sd);
v4l2_ctrl_handler_free(sd->ctrl_handler);
- gpio_free(sensor->ce_pin);
- kfree(sensor);
return 0;
}