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[media] v4l2-common: remove unused v4l2_chip_match/ident_i2c_client functions 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-05-26 10:01:42 -03:00 committed by Mauro Carvalho Chehab
parent 6ec19898ed
commit aee38734d2
2 changed files with 1 additions and 55 deletions
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47
drivers/media/v4l2-core/v4l2-common.c
View File

@ -61,7 +61,6 @@
#include <media/v4l2-common.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-chip-ident.h>
#include <linux/videodev2.h>
@ -227,51 +226,9 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
}
EXPORT_SYMBOL(v4l2_ctrl_next);
#if IS_ENABLED(CONFIG_I2C)
int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match)
{
int len;
if (c == NULL || match == NULL)
return 0;
switch (match->type) {
case V4L2_CHIP_MATCH_I2C_DRIVER:
if (c->driver == NULL || c->driver->driver.name == NULL)
return 0;
len = strlen(c->driver->driver.name);
return len && !strncmp(c->driver->driver.name, match->name, len);
case V4L2_CHIP_MATCH_I2C_ADDR:
return c->addr == match->addr;
case V4L2_CHIP_MATCH_SUBDEV:
return 1;
default:
return 0;
}
}
EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
u32 ident, u32 revision)
{
if (!v4l2_chip_match_i2c_client(c, &chip->match))
return 0;
if (chip->ident == V4L2_IDENT_NONE) {
chip->ident = ident;
chip->revision = revision;
}
else {
chip->ident = V4L2_IDENT_AMBIGUOUS;
chip->revision = 0;
}
return 0;
}
EXPORT_SYMBOL(v4l2_chip_ident_i2c_client);
/* ----------------------------------------------------------------- */
/* I2C Helper functions */
#if IS_ENABLED(CONFIG_I2C)
void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
const struct v4l2_subdev_ops *ops)
@ -290,8 +247,6 @@ void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client,
}
EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init);
/* Load an i2c sub-device. */
struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev,
struct i2c_adapter *adapter, struct i2c_board_info *info,

9
include/media/v4l2-common.h
View File

@ -100,15 +100,6 @@ u32 v4l2_ctrl_next(const u32 * const *ctrl_classes, u32 id);
/* ------------------------------------------------------------------------- */
/* Register/chip ident helper function */
struct i2c_client; /* forward reference */
int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match);
int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
u32 ident, u32 revision);
/* ------------------------------------------------------------------------- */
/* I2C Helper functions */
struct i2c_driver;