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authorIngo Molnar <mingo@elte.hu>2010-03-22 18:46:57 +0100
committerIngo Molnar <mingo@elte.hu>2010-03-22 18:47:01 +0100
commitd2f1e15b661e71fd52111f51c99a6ce41384e9ef (patch)
tree8731e7e772e6f825ebbc6eef7681bc46302149bd /drivers/i2c/algos/i2c-algo-bit.c
parent40b7e05e17eef31ff30fe08dfc2424ef653a792c (diff)
parent220bf991b0366cc50a94feede3d7341fa5710ee4 (diff)
Merge commit 'v2.6.34-rc2' into perf/core
Merge reason: Pick up latest perf fixes from upstream. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 e25e13980af35..e8d568c3fb09a 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;
}