Corey Minyard d307c28ca9 i2c: Allow I2C devices to NAK start events ... Add a return value to the event handler. Some I2C devices will NAK if they have no data, so allow them to do this. This required the following changes: Go through all the event handlers and change them to return int and return 0. Modify i2c_start_transfer to terminate the transaction on a NAK. Modify smbus handing to not assert if a NAK occurs on a second operation, and terminate the transaction and return -1 instead. Add some information on semantics to I2CSlaveClass. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>		2017-01-09 11:40:20 +00:00
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aspeed_i2c.h	i2c: add aspeed i2c controller	2016-06-06 16:59:29 +01:00
i2c-ddc.h	Clean up ill-advised or unusual header guards	2016-07-12 16:20:46 +02:00
i2c.h	i2c: Allow I2C devices to NAK start events	2017-01-09 11:40:20 +00:00
imx_i2c.h	Clean up ill-advised or unusual header guards	2016-07-12 16:20:46 +02:00
pm_smbus.h	Clean up decorations and whitespace around header guards	2016-07-12 16:20:46 +02:00
smbus.h	smbus: return -1 if nothing found at the given address	2014-05-07 19:14:46 +03:00