diff options
Diffstat (limited to 'drivers/i2c/i2c-core-smbus.c')
-rw-r--r-- | drivers/i2c/i2c-core-smbus.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/i2c/i2c-core-smbus.c b/drivers/i2c/i2c-core-smbus.c index 59d5cf376f6a..b5aec33002c3 100644 --- a/drivers/i2c/i2c-core-smbus.c +++ b/drivers/i2c/i2c-core-smbus.c @@ -308,17 +308,21 @@ static void i2c_smbus_try_get_dmabuf(struct i2c_msg *msg, u8 init_val) msg->buf[0] = init_val; } -/* Simulate a SMBus command using the i2c protocol - No checking of parameters is done! */ +/* + * Simulate a SMBus command using the I2C protocol. + * No checking of parameters is done! + */ static s32 i2c_smbus_xfer_emulated(struct i2c_adapter *adapter, u16 addr, unsigned short flags, char read_write, u8 command, int size, union i2c_smbus_data *data) { - /* So we need to generate a series of msgs. In the case of writing, we - need to use only one message; when reading, we need two. We initialize - most things with sane defaults, to keep the code below somewhat - simpler. */ + /* + * So we need to generate a series of msgs. In the case of writing, we + * need to use only one message; when reading, we need two. We + * initialize most things with sane defaults, to keep the code below + * somewhat simpler. + */ unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX+3]; unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX+2]; int num = read_write == I2C_SMBUS_READ ? 2 : 1; |