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Commit d89cc5aa authored by Jonas Aaberg's avatar Jonas Aaberg Committed by Lee Jones
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mfd: ab8500-gpadc: Reread on failure 



Reread the gpadc once upon failure.

Signed-off-by: default avatarJonas Aaberg <jonas.aberg@stericsson.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Reviewed-by: default avatarMattias WALLIN <mattias.wallin@stericsson.com>
Acked-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 774c50ab

drivers/mfd/ab8500-gpadc.c

+5 −0
Original line number Diff line number Diff line
@@ -256,6 +256,11 @@ int ab8500_gpadc_convert(struct ab8500_gpadc *gpadc, u8 channel) 
	int voltage;



	ad_value = ab8500_gpadc_read_raw(gpadc, channel);



	/* On failure retry a second time */

	if (ad_value < 0)

		ad_value = ab8500_gpadc_read_raw(gpadc, channel);



	if (ad_value < 0) {

		dev_err(gpadc->dev, "GPADC raw value failed ch: %d\n", channel);

		return ad_value;