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authorJean Delvare <khali@linux-fr.org>2010-03-13 22:56:56 +0300
committerJean Delvare <khali@linux-fr.org>2010-03-13 22:56:56 +0300
commit0a9c14751377a1407f5e35791e13651d2fc7801c (patch)
treee4e524eafda521834d3d2a7fa8a6118e1bae3c32 /include
parentd07b56b3098b9f32ae6dedeacbc594bd01dcfcd1 (diff)
downloadlinux-0a9c14751377a1407f5e35791e13651d2fc7801c.tar.xz
i2c-algo-bit: Add pre- and post-xfer hooks
Drivers might have to do random things before and/or after I2C transfers. Add hooks to the i2c-algo-bit implementation to let them do so. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Alex Deucher <alexdeucher@gmail.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/i2c-algo-bit.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/i2c-algo-bit.h b/include/linux/i2c-algo-bit.h
index 111334f5b922..4f98148c11c3 100644
--- a/include/linux/i2c-algo-bit.h
+++ b/include/linux/i2c-algo-bit.h
@@ -36,6 +36,8 @@ struct i2c_algo_bit_data {
void (*setscl) (void *data, int state);
int (*getsda) (void *data);
int (*getscl) (void *data);
+ int (*pre_xfer) (struct i2c_adapter *);
+ void (*post_xfer) (struct i2c_adapter *);
/* local settings */
int udelay; /* half clock cycle time in us,