From cefae80249f6bf3fdbc7c3a00bc43deb4c1bccf0 Mon Sep 17 00:00:00 2001 From: Luis Oliveira Date: Thu, 26 Jan 2017 17:45:32 +0000 Subject: 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 Suggested-by: Andy Shevchenko Reviewed-by: Andy Shevchenko Signed-off-by: Wolfram Sang --- include/linux/i2c.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/linux') 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) -- cgit v1.2.3-71-gd317