diff options
| author | Bence Csókás <bence98@sch.bme.hu> | 2021-03-31 19:19:20 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-22 10:59:40 +0200 |
| commit | 9f146c5d36fab8341e61559c57af629906eabc54 (patch) | |
| tree | 210977e3fdac37808c36e88da9c01d0e575bc077 | |
| parent | 2394cad24bf89bb454be2973678850781660328e (diff) | |
i2c: Add I2C_AQ_NO_REP_START adapter quirk
[ Upstream commit aca01415e076aa96cca0f801f4420ee5c10c660d ]
This quirk signifies that the adapter cannot do a repeated
START, it always issues a STOP condition after transfers.
Suggested-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Bence Csókás <bence98@sch.bme.hu>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | include/linux/i2c.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 7e748648c7d3..6fda0458745d 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -662,6 +662,8 @@ struct i2c_adapter_quirks { #define I2C_AQ_NO_ZERO_LEN_READ BIT(5) #define I2C_AQ_NO_ZERO_LEN_WRITE BIT(6) #define I2C_AQ_NO_ZERO_LEN (I2C_AQ_NO_ZERO_LEN_READ | I2C_AQ_NO_ZERO_LEN_WRITE) +/* adapter cannot do repeated START */ +#define I2C_AQ_NO_REP_START BIT(7) /* * i2c_adapter is the structure used to identify a physical i2c bus along |