diff options
| author | Luis Oliveira <Luis.Oliveira@synopsys.com> | 2017-01-26 17:45:32 +0000 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2017-01-28 22:12:37 +0100 |
| commit | cefae80249f6bf3fdbc7c3a00bc43deb4c1bccf0 (patch) | |
| tree | 019fc491fc1a6a0ec825c98d60b8f8268884d40b /include/linux/i2c.h | |
| parent | 50b918c5a6ffad1d9fae29c4fdcb52383b123665 (diff) | |
i2c: core: helper function to detect slave mode
This function has the purpose of mode detection by checking the
device nodes for a reg matching with the I2C_OWN_SLAVE_ADDREESS flag.
Currently only checks using OF functions (ACPI slave not supported yet).
Signed-off-by: Luis Oliveira <lolivei@synopsys.com>
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'include/linux/i2c.h')
| -rw-r--r-- | include/linux/i2c.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 4b45ec46161f..f0ba4bac7452 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -282,6 +282,7 @@ enum i2c_slave_event { extern int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb); extern int i2c_slave_unregister(struct i2c_client *client); +extern bool i2c_detect_slave_mode(struct device *dev); static inline int i2c_slave_event(struct i2c_client *client, enum i2c_slave_event event, u8 *val) |