diff options
| author | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-07-08 10:41:24 -0700 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-07-28 16:55:13 -0700 |
| commit | 46243f3ab44ad0d2e9ca62e6485ca433659f3881 (patch) | |
| tree | 93b542f63ff4de15f1ddf25c842ff326287a15f7 /drivers/hwmon/pmbus/pmbus.h | |
| parent | 2bd05bf4d2a5807dcc1c52788b842827e5ef0ee9 (diff) | |
| download | lwn-46243f3ab44ad0d2e9ca62e6485ca433659f3881.tar.gz lwn-46243f3ab44ad0d2e9ca62e6485ca433659f3881.zip | |
hwmon: (pmbus) Support reading and writing of word registers in device specific code
Some PMBus devices use non-standard registers for some of the sensors and/or
limits. To support such devices, add code to support reading and writing of word
size registers in device specific code.
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Reviewed-by: Robert Coulson <robert.coulson@ericsson.com>
Diffstat (limited to 'drivers/hwmon/pmbus/pmbus.h')
| -rw-r--r-- | drivers/hwmon/pmbus/pmbus.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hwmon/pmbus/pmbus.h b/drivers/hwmon/pmbus/pmbus.h index cc5b6a23260b..d631caeda106 100644 --- a/drivers/hwmon/pmbus/pmbus.h +++ b/drivers/hwmon/pmbus/pmbus.h @@ -286,6 +286,9 @@ struct pmbus_driver_info { * necessary. */ int (*read_byte_data)(struct i2c_client *client, int page, int reg); + int (*read_word_data)(struct i2c_client *client, int page, int reg); + int (*write_word_data)(struct i2c_client *client, int page, int reg, + u16 word); /* * The identify function determines supported PMBus functionality. * This function is only necessary if a chip driver supports multiple @@ -299,6 +302,7 @@ struct pmbus_driver_info { int pmbus_set_page(struct i2c_client *client, u8 page); int pmbus_read_word_data(struct i2c_client *client, u8 page, u8 reg); +int pmbus_write_word_data(struct i2c_client *client, u8 page, u8 reg, u16 word); int pmbus_read_byte_data(struct i2c_client *client, u8 page, u8 reg); void pmbus_clear_faults(struct i2c_client *client); bool pmbus_check_byte_register(struct i2c_client *client, int page, int reg); |