diff options
| author | Erik Gilling <konkers@android.com> | 2010-10-18 15:20:42 -0700 |
|---|---|---|
| committer | Erik Gilling <konkers@android.com> | 2010-10-18 15:23:35 -0700 |
| commit | bf82ae424d7f77a4a878a9932841e10433d850b4 (patch) | |
| tree | 2ac09b3e96d0b6e9758152a87ead53665d6eb0ef /drivers/i2c | |
| parent | 943300a8d57ff28780d45401dc50fbc0792921a8 (diff) | |
i2c: tegra: fix repeated start handling
A repeated start should be used for all but the last msg in an xfer. The
NOSTART flag is for skipping the START frame (addr/rw)
Change-Id: If4bc88478521a8c4e1ec761bd42a84d3e398fa26
Signed-off-by: Erik Gilling <konkers@android.com>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-tegra.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index cf6df1f4bdaf..7e201501a84c 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -433,12 +433,12 @@ static int tegra_i2c_xfer_msg(struct tegra_i2c_bus *i2c_bus, packet_header = msg->addr << I2C_HEADER_SLAVE_ADDR_SHIFT; packet_header |= I2C_HEADER_IE_ENABLE; + if (!stop) + packet_header |= I2C_HEADER_REPEAT_START; if (msg->flags & I2C_M_TEN) packet_header |= I2C_HEADER_10BIT_ADDR; if (msg->flags & I2C_M_IGNORE_NAK) packet_header |= I2C_HEADER_CONT_ON_NAK; - if (msg->flags & I2C_M_NOSTART) - packet_header |= I2C_HEADER_REPEAT_START; if (msg->flags & I2C_M_RD) packet_header |= I2C_HEADER_READ; i2c_writel(i2c_dev, packet_header, I2C_TX_FIFO); |