diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/i2c.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 38dd4025aa4e..59a9f3cdc0b5 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h | |||
@@ -284,12 +284,15 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info); | |||
284 | 284 | ||
285 | /* If you don't know the exact address of an I2C device, use this variant | 285 | /* If you don't know the exact address of an I2C device, use this variant |
286 | * instead, which can probe for device presence in a list of possible | 286 | * instead, which can probe for device presence in a list of possible |
287 | * addresses. | 287 | * addresses. The "probe" callback function is optional. If it is provided, |
288 | * it must return 1 on successful probe, 0 otherwise. If it is not provided, | ||
289 | * a default probing method is used. | ||
288 | */ | 290 | */ |
289 | extern struct i2c_client * | 291 | extern struct i2c_client * |
290 | i2c_new_probed_device(struct i2c_adapter *adap, | 292 | i2c_new_probed_device(struct i2c_adapter *adap, |
291 | struct i2c_board_info *info, | 293 | struct i2c_board_info *info, |
292 | unsigned short const *addr_list); | 294 | unsigned short const *addr_list, |
295 | int (*probe)(struct i2c_adapter *, unsigned short addr)); | ||
293 | 296 | ||
294 | /* For devices that use several addresses, use i2c_new_dummy() to make | 297 | /* For devices that use several addresses, use i2c_new_dummy() to make |
295 | * client handles for the extra addresses. | 298 | * client handles for the extra addresses. |