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| author | Nicola Corna <nicola@corna.info> | 2015-10-29 12:34:23 +0100 |
|---|---|---|
| committer | Wolfram Sang <wsa@the-dreams.de> | 2015-11-30 18:37:24 +0100 |
| commit | 749de3dac5e4d65cbed3b58f89c56883e31d1a5a (patch) | |
| tree | e40fc7a5337d0eb7dab61a21586fd60315e5bc41 /include | |
| parent | i2c: xiic: Replace spinlock with mutex (diff) | |
| download | linux-749de3dac5e4d65cbed3b58f89c56883e31d1a5a.tar.xz linux-749de3dac5e4d65cbed3b58f89c56883e31d1a5a.zip | |
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>
Diffstat (limited to 'include')
| -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 768063baafbf..96970024883f 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 |