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i2c-omap: Add support for I2C_M_STOP message flag

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Generate a stop condition after each message marked with I2C_M_STOP.

[JD: Add I2C_FUNC_PROTOCOL_MANGLING.]

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Laurent Pinchart 2012-07-24 14:13:59 +02:00 committed by Jean Delvare
parent 72fc2c7f78
commit fb604a3d58
1 changed files with 4 additions and 1 deletions
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5
drivers/i2c/busses/i2c-omap.c
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@ -545,6 +545,8 @@ static int omap_i2c_xfer_msg(struct i2c_adapter *adap,
if (dev->speed > 400)
w |= OMAP_I2C_CON_OPMODE_HS;
if (msg->flags & I2C_M_STOP)
stop = 1;
if (msg->flags & I2C_M_TEN)
w |= OMAP_I2C_CON_XA;
if (!(msg->flags & I2C_M_RD))
@ -658,7 +660,8 @@ out:
static u32
omap_i2c_func(struct i2c_adapter *adap)
{
return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK);
return I2C_FUNC_I2C | (I2C_FUNC_SMBUS_EMUL & ~I2C_FUNC_SMBUS_QUICK) |
I2C_FUNC_PROTOCOL_MANGLING;
}
static inline void