Commit 749de3da authored by Nicola Corna's avatar Nicola Corna Committed by Wolfram Sang
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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: default avatarNicola Corna <nicola@corna.info>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent 77c68019

include/linux/i2c.h

+2 −0
Original line number Diff line number Diff line
@@ -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