From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp-out-164.synserver.de ([212.40.185.164]:1066 "EHLO smtp-out-163.synserver.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752533Ab3I1Jaq (ORCPT ); Sat, 28 Sep 2013 05:30:46 -0400 From: Lars-Peter Clausen To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, Lars-Peter Clausen , Josh Wu Subject: [PATCH 17/25] iio:at91: Report scale as fractional value Date: Sat, 28 Sep 2013 11:31:49 +0200 Message-Id: <1380360717-26103-17-git-send-email-lars@metafoo.de> In-Reply-To: <1380360717-26103-1-git-send-email-lars@metafoo.de> References: <1380360717-26103-1-git-send-email-lars@metafoo.de> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org Move the complexity of calculating the fixed point scale to the core. Signed-off-by: Lars-Peter Clausen Cc: Josh Wu --- drivers/iio/adc/at91_adc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index 5c8f690..ce169d4 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -366,9 +366,9 @@ static int at91_adc_read_raw(struct iio_dev *idev, return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: - *val = (st->vref_mv * 1000) >> chan->scan_type.realbits; - *val2 = 0; - return IIO_VAL_INT_PLUS_MICRO; + *val = st->vref_mv; + *val2 = chan->scan_type.realbits; + return IIO_VAL_FRACTIONAL_LOG2; default: break; } -- 1.8.0