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i2c: use I2C_FUNCS to store funcs map

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-12-29 14:41:50 +00:00
parent a65a906e9e
commit 3eb0a8dbf7
2 changed files with 6 additions and 0 deletions
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1
include/mraa_internal_types.h
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@@ -59,6 +59,7 @@ struct _i2c {
int busnum; /**< the bus number of the /dev/i2c-* device */ int busnum; /**< the bus number of the /dev/i2c-* device */
int fh; /**< the file handle to the /dev/i2c-* device */ int fh; /**< the file handle to the /dev/i2c-* device */
int addr; /**< the address of the i2c slave */ int addr; /**< the address of the i2c slave */
unsigned long funcs;
/*@}*/ /*@}*/
}; };

5
src/i2c/i2c.c
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@@ -127,6 +127,11 @@ mraa_i2c_init_raw(unsigned int bus)
syslog(LOG_ERR, "i2c: Failed to open requested i2c port %s", filepath); syslog(LOG_ERR, "i2c: Failed to open requested i2c port %s", filepath);
} }
if (ioctl(dev->fh, I2C_FUNCS, &dev->funcs) < 0) {
syslog(LOG_CRIT, "i2c: Failed to get I2C_FUNC map from device");
return NULL;
}
if (advance_func->i2c_init_post != NULL) { if (advance_func->i2c_init_post != NULL) {
mraa_result_t ret = advance_func->i2c_init_post(dev); mraa_result_t ret = advance_func->i2c_init_post(dev);
if (ret != MRAA_SUCCESS) { if (ret != MRAA_SUCCESS) {