Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-27 06:31:52 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'i2c/client_device_id_helper-immutable' of https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux into HEAD

Browse Source 
so we can apply I2C cleanups.
This commit is contained in:
Mark Brown 2022-11-24 19:20:09 +00:00
commit 4cb55a9a1a
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/i2c/i2c-core-base.c
View File

@ -2236,6 +2236,20 @@ int i2c_get_device_id(const struct i2c_client *client,
}
EXPORT_SYMBOL_GPL(i2c_get_device_id);
/**
* i2c_client_get_device_id - get the driver match table entry of a device
* @client: the device to query. The device must be bound to a driver
*
* Returns a pointer to the matching entry if found, NULL otherwise.
*/
const struct i2c_device_id *i2c_client_get_device_id(const struct i2c_client *client)
{
const struct i2c_driver *drv = to_i2c_driver(client->dev.driver);
return i2c_match_id(drv->id_table, client);
}
EXPORT_SYMBOL_GPL(i2c_client_get_device_id);
/* ----------------------------------------------------
* the i2c address scanning function
* Will not work for 10-bit addresses!

1
include/linux/i2c.h
View File

@ -189,6 +189,7 @@ s32 i2c_smbus_read_i2c_block_data_or_emulated(const struct i2c_client *client,
u8 *values);
int i2c_get_device_id(const struct i2c_client *client,
struct i2c_device_identity *id);
const struct i2c_device_id *i2c_client_get_device_id(const struct i2c_client *client);
#endif /* I2C */
/**