diff options
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
| -rw-r--r-- | drivers/i2c/algos/i2c-algo-bit.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index e25e13980af3..a39e6cff86e7 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -24,7 +24,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/delay.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/errno.h> #include <linux/sched.h> @@ -522,6 +521,12 @@ static int bit_xfer(struct i2c_adapter *i2c_adap, int i, ret; unsigned short nak_ok; + if (adap->pre_xfer) { + ret = adap->pre_xfer(i2c_adap); + if (ret < 0) + return ret; + } + bit_dbg(3, &i2c_adap->dev, "emitting start condition\n"); i2c_start(adap); for (i = 0; i < num; i++) { @@ -570,6 +575,9 @@ static int bit_xfer(struct i2c_adapter *i2c_adap, bailout: bit_dbg(3, &i2c_adap->dev, "emitting stop condition\n"); i2c_stop(adap); + + if (adap->post_xfer) + adap->post_xfer(i2c_adap); return ret; } |