i2c: s3c2410: advertise SMBus transfers using RECV_LEN

This driver implements I2C_M_RECV_LEN, so it can advertise the SMBus
transfers needing it. This also enables client devices to check for the
RECV_LEN capability.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Wolfram Sang 2021-01-09 13:43:12 +01:00 committed by Wolfram Sang
parent 416365e02a
commit 81f199329d

View File

@ -781,7 +781,7 @@ static int s3c24xx_i2c_xfer(struct i2c_adapter *adap,
/* declare our i2c functionality */ /* declare our i2c functionality */
static u32 s3c24xx_i2c_func(struct i2c_adapter *adap) static u32 s3c24xx_i2c_func(struct i2c_adapter *adap)
{ {
return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_NOSTART | return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL_ALL | I2C_FUNC_NOSTART |
I2C_FUNC_PROTOCOL_MANGLING; I2C_FUNC_PROTOCOL_MANGLING;
} }