Commit 72b08fcc authored Jan 09, 2018 by Wolfram Sang Committed by Wolfram Sang Jan 16, 2018

i2c: ensure SDA is released in recovery if SDA is controllable



If we have a function to control SDA, we should ensure that SDA is not
held down by us. So, release the GPIO in this case.

Tested-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

parent 8092178f

drivers/i2c/i2c-core-base.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -169,6 +169,8 @@ int i2c_generic_scl_recovery(struct i2c_adapter *adap)
		bri->prepare_recovery(adap);

		bri->set_scl(adap, val);
		if (bri->set_sda)
		bri->set_sda(adap, 1);
		ndelay(RECOVERY_NDELAY);

		/*