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author | Nicola Corna <nicola@corna.info> | 2015-10-29 11:34:23 (GMT) |
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committer | Wolfram Sang <wsa@the-dreams.de> | 2015-11-30 17:37:24 (GMT) |
commit | 749de3dac5e4d65cbed3b58f89c56883e31d1a5a (patch) | |
tree | e40fc7a5337d0eb7dab61a21586fd60315e5bc41 | |
parent | 77c680196791e7b13c90b4d475a3d6c96778755c (diff) | |
download | linux-749de3dac5e4d65cbed3b58f89c56883e31d1a5a.tar.xz |
i2c: add i2c quirk flag for unsupported clock stretching
Add I2C_AQ_NO_CLK_STRETCH quirk flag, to be used when clock stretching is
not supported.
Signed-off-by: Nicola Corna <nicola@corna.info>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
-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 768063b..96970024 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -493,6 +493,8 @@ struct i2c_adapter_quirks { /* convenience macro for typical write-then read case */ #define I2C_AQ_COMB_WRITE_THEN_READ (I2C_AQ_COMB | I2C_AQ_COMB_WRITE_FIRST | \ I2C_AQ_COMB_READ_SECOND | I2C_AQ_COMB_SAME_ADDR) +/* clock stretching is not supported */ +#define I2C_AQ_NO_CLK_STRETCH BIT(4) /* * i2c_adapter is the structure used to identify a physical i2c bus along |