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author | Bence Csókás <bence98@sch.bme.hu> | 2021-03-31 19:19:20 +0000 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-19 10:12:54 +0200 |
commit | 2c098ad786d36a7e0027f3f33330b07a39de3ea6 (patch) | |
tree | fc66497a5510884663560ec618283d1839a0311a | |
parent | c6d2f8ffb145765b635f1fbcb3832578aaa8309a (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 56622658b215..a670ae129f4b 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -687,6 +687,8 @@ 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 |