From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gagarine.paulk.fr ([109.190.93.129]:55202 "EHLO gagarine.paulk.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751231AbaEXMSt (ORCPT ); Sat, 24 May 2014 08:18:49 -0400 Message-ID: <1400933398.2079.16.camel@aldrin> Subject: [PATCH] twl4030-madc: Request processed values in twl4030_get_madc_conversion From: Paul Kocialkowski To: Jonathan Cameron Cc: linux-iio@vger.kernel.org Date: Sat, 24 May 2014 14:09:58 +0200 Content-Type: text/plain; charset="UTF-8" Mime-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org 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. Signed-off-by: Paul Kocialkowski --- 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) -- 1.7.9.5