[PATCH] I2C: Drop the I2C_ACK_TEST ioctl

Drop the I2C_ACK_TEST ioctl, which was commented out. It never really
existed (not after 1999 anyway), and there is no such thing as a ack
test on I2C/SMBus anyway.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 0 insertions, 3 deletions

diff --git a/include/linux/i2c.h b/include/linux/i2c.h
index 1ead5195fde4..be35332b67e6 100644
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@@ -508,9 +508,6 @@ union i2c_smbus_data {
 #define I2C_FUNCS       0x0705  /* Get the adapter functionality */
 #define I2C_RDWR        0x0707  /* Combined R/W transfer (one stop only)*/
 #define I2C_PEC         0x0708  /* != 0 for SMBus PEC                   */
-#if 0
-#define I2C_ACK_TEST    0x0710  /* See if a slave is at a specific address */
-#endif
 
 #define I2C_SMBUS       0x0720  /* SMBus-level access */