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Commit 45f80a9f authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Lee Jones
Browse files

mfd: da9052: Fix manual ADC read after timed out read 



It is possible that under heavy system load, the counter in the completion
struct, used for waiting for end of AD conversion, gets incremented twice.
To make sure the driver recovers from this situation, the completion struct
should be reinitialized.

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent e26ae366

drivers/mfd/da9052-core.c

+2 −0
Original line number Diff line number Diff line
@@ -387,6 +387,8 @@ int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel) 


	mutex_lock(&da9052->auxadc_lock);



	reinit_completion(&da9052->done);



	/* Channel gets activated on enabling the Conversion bit */

	mux_sel = chan_mux[channel] | DA9052_ADC_MAN_MAN_CONV;