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| author | Wolfram Sang <wsa+renesas@sang-engineering.com> | 2021-01-09 13:43:09 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2021-01-22 09:59:00 +0100 |
| commit | 21500aa84024b3fc541197b2041d80538539740d (patch) | |
| tree | 6010e73fb1b30c4bc933a815506f6e9e43d51259 /include | |
| parent | 1713d66cae8acdf3d34bafe09598fec9d1fb4793 (diff) | |
| download | linux-21500aa84024b3fc541197b2041d80538539740d.tar.bz2 | |
i2c: uapi: add macro to describe support for all SMBus transfers
Some I2C bus master drivers which support I2C_M_RECV_LEN do not set
the functionality bits of the now supported SMBus transfers. Add a
convenience macro to make this very simple.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/i2c.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/uapi/linux/i2c.h b/include/uapi/linux/i2c.h index 7786551eb177..92326ebde350 100644 --- a/include/uapi/linux/i2c.h +++ b/include/uapi/linux/i2c.h @@ -129,6 +129,11 @@ struct i2c_msg { I2C_FUNC_SMBUS_I2C_BLOCK | \ I2C_FUNC_SMBUS_PEC) +/* if I2C_M_RECV_LEN is also supported */ +#define I2C_FUNC_SMBUS_EMUL_ALL (I2C_FUNC_SMBUS_EMUL | \ + I2C_FUNC_SMBUS_READ_BLOCK_DATA | \ + I2C_FUNC_SMBUS_BLOCK_PROC_CALL) + /* * Data for SMBus Messages */ |