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authorTakashi Iwai <tiwai@suse.de>2010-03-22 17:05:48 +0100
committerTakashi Iwai <tiwai@suse.de>2010-03-22 17:05:48 +0100
commit2fb20b61550d3c5335e59819ed22734900d4d6e3 (patch)
tree5ac7690306a0230b51e79afe5cfd3e6575b98cb1 /drivers/i2c/algos/i2c-algo-bit.c
parent23caaf19b11eda7054348452e1618d4512a86907 (diff)
parent6da7a2aa899f75116e1a62cef78c358ada9878b7 (diff)
downloadolio-linux-3.10-2fb20b61550d3c5335e59819ed22734900d4d6e3.tar.xz
olio-linux-3.10-2fb20b61550d3c5335e59819ed22734900d4d6e3.zip
Merge branch 'topic/misc' into topic/usb
Diffstat (limited to 'drivers/i2c/algos/i2c-algo-bit.c')
-rw-r--r--drivers/i2c/algos/i2c-algo-bit.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index e25e13980af..e8d568c3fb0 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;
}