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Commit 749de3da authored Oct 29, 2015 by Nicola Corna Committed by Wolfram Sang Nov 30, 2015

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>

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