From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BCB0C43603 for ; Mon, 9 Dec 2019 08:30:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6DAD20721 for ; Mon, 9 Dec 2019 08:29:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575880199; bh=QuJ5eDnL8kvsBwN6bn7m8vevM0gYJRjpMIG3xkrJe4A=; h=Subject:To:From:Date:List-ID:From; b=x3WVSxkO0HgOugW0fuzvael8Cz2DZzDiIv2fkdezKa/2H3R6kp0LW1l6PLBzXe1/y WlgcLQelTlA/AN4/7jQJcqxsNIYTOAOa5+hoBjVxRY8upbso3Vv49mt+9idImK5xTm BwrgYuWHdkyNOoP1PUv/jEwgzP+JAPVP0IbhU7wg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727154AbfLII37 (ORCPT ); Mon, 9 Dec 2019 03:29:59 -0500 Received: from mail.kernel.org ([198.145.29.99]:56632 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727047AbfLII37 (ORCPT ); Mon, 9 Dec 2019 03:29:59 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 323DE2071E; Mon, 9 Dec 2019 08:29:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575880198; bh=QuJ5eDnL8kvsBwN6bn7m8vevM0gYJRjpMIG3xkrJe4A=; h=Subject:To:From:Date:From; b=RAlbw4nZ2XHSFMUKcMCoqTRuxXxV15azPnjBxEcdYkPXisAgDTi7UuvfniIzptJHk yGeGrDRbdVi60g+VDoXzrxK3FYPSp1im1xLuGATHui/0vxCIEjFCRFswp2R+7Ydvtb IJQaXosqLuAYPCgo5umd3Ztt5TY+0Cz3gOPO6vBY= Subject: patch "iio: adc: ad7606: fix reading unnecessary data from device" added to staging-linus To: beniamin.bia@analog.com, Jonathan.Cameron@huawei.com, Stable@vger.kernel.org, rwoerle@mibtec.de From: Date: Mon, 09 Dec 2019 09:29:56 +0100 Message-ID: <1575880196182153@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled iio: adc: ad7606: fix reading unnecessary data from device to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-linus branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will hopefully also be merged in Linus's tree for the next -rc kernel release. If you have any questions about this process, please let me know. >From 341826a065660d1b77d89e6335b6095cd654271c Mon Sep 17 00:00:00 2001 From: Beniamin Bia Date: Mon, 4 Nov 2019 18:26:34 +0200 Subject: iio: adc: ad7606: fix reading unnecessary data from device MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When a conversion result is being read from ADC, the driver reads the number of channels + 1 because it thinks that IIO_CHAN_SOFT_TIMESTAMP is also a physical channel. This patch fixes this issue. Fixes: 2985a5d88455 ("staging: iio: adc: ad7606: Move out of staging") Reported-by: Robert Wörle Signed-off-by: Beniamin Bia Cc: Signed-off-by: Jonathan Cameron --- drivers/iio/adc/ad7606.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index f5ba94c03a8d..e4683a68522a 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -85,7 +85,7 @@ static int ad7606_reg_access(struct iio_dev *indio_dev, static int ad7606_read_samples(struct ad7606_state *st) { - unsigned int num = st->chip_info->num_channels; + unsigned int num = st->chip_info->num_channels - 1; u16 *data = st->data; int ret; -- 2.24.0