From e0326be0cded13dfc3a24cbeece1f1ae64348a0e Mon Sep 17 00:00:00 2001 From: Paul Kocialkowski Date: Sat, 24 May 2014 13:09:00 +0100 Subject: [PATCH] twl4030-madc: Request processed values in twl4030_get_madc_conversion Not setting the raw parameter in the request causes it to be randomly initialized to a value that might be different from zero or zero. This leads to values that are randomly either raw or processed, making it very difficult to make reliable use of the values. Cc: Stable@vger.kernel.org Signed-off-by: Paul Kocialkowski Acked-by: Sebastian Reichel Signed-off-by: Jonathan Cameron --- drivers/iio/adc/twl4030-madc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c index 7de1c4c..eb86786 100644 --- a/drivers/iio/adc/twl4030-madc.c +++ b/drivers/iio/adc/twl4030-madc.c @@ -645,6 +645,7 @@ int twl4030_get_madc_conversion(int channel_no) req.channels = (1 << channel_no); req.method = TWL4030_MADC_SW2; req.active = 0; + req.raw = 0; req.func_cb = NULL; ret = twl4030_madc_conversion(&req); if (ret < 0) -- 2.7.4