diff options
Diffstat (limited to 'drivers/i2c/algos')
-rw-r--r-- | drivers/i2c/algos/i2c-algo-bit.c | 9 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-pca.c | 2 | ||||
-rw-r--r-- | drivers/i2c/algos/i2c-algo-pcf.c | 2 |
3 files changed, 10 insertions, 3 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c index e25e139..e8d568c 100644 --- a/drivers/i2c/algos/i2c-algo-bit.c +++ b/drivers/i2c/algos/i2c-algo-bit.c @@ -522,6 +522,12 @@ 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 +576,9 @@ 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; } diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 78d42aa..dcdaf8e 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -453,8 +453,6 @@ static int pca_init(struct i2c_adapter *adap) */ int raise_fall_time; - struct i2c_algo_pca_data *pca_data = adap->algo_data; - /* Ignore the reset function from the module, * we can use the parallel bus reset */ diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c index 7ce7577..6b6bd06 100644 --- a/drivers/i2c/algos/i2c-algo-pcf.c +++ b/drivers/i2c/algos/i2c-algo-pcf.c @@ -176,7 +176,7 @@ static int pcf_init_8584 (struct i2c_algo_pcf_data *adap) */ if (((temp = get_pcf(adap, 1)) & 0x7f) != (0)) { DEB2(printk(KERN_ERR "i2c-algo-pcf.o: PCF detection failed -- can't select S0 (0x%02x).\n", temp)); - return -ENXIO; /* definetly not PCF8584 */ + return -ENXIO; /* definitely not PCF8584 */ } /* load own address in S0, effective address is (own << 1) */ |