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If an error is detected in the polling loop, abort the transaction and return an error code. * DEV_ERR is set if the device does not respond with an acknowledge, and the SMBus controller times out (minimum 25ms). * BUS_ERR is set if a bus arbitration collision is detected. In other words, when the SMBus controller tries to generate a START condition, but detects that the SMBDATA is being held low, usually by another SMBus/I2C master. * FAILED is only set if a transaction is stopped by software (using the SMBHSTCNT KILL bit). Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Jean Delvare <khali@linux-fr.org> |
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.. | ||
algos | ||
busses | ||
muxes | ||
i2c-boardinfo.c | ||
i2c-core.c | ||
i2c-core.h | ||
i2c-dev.c | ||
i2c-mux.c | ||
i2c-smbus.c | ||
Kconfig | ||
Makefile |