From a0a9113b2972add1ef3184d233de496d32553e41 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 7de1c4c879423..eb86786e698ea 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) -- 2.39.5