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[2620:137:e000::1:20]) by mx.google.com with ESMTP id ho34-20020a1709070ea200b006ff7867806fsi7492254ejc.783.2022.06.25.06.22.52; Sat, 25 Jun 2022 06:23:19 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=usAhrIS5; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233043AbiFYNSp (ORCPT + 99 others); Sat, 25 Jun 2022 09:18:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233032AbiFYNSk (ORCPT ); Sat, 25 Jun 2022 09:18:40 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 304451A81F; Sat, 25 Jun 2022 06:18:39 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id ADDC2B80959; Sat, 25 Jun 2022 13:18:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4C288C341CA; Sat, 25 Jun 2022 13:18:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1656163116; bh=DrvYsHNixQGAFxZ5B9o45TBNbqBktYaLq5jvaKUH8Tc=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=usAhrIS5wLWHr9hU7Do3gZcWvMC4Oeze1rkLQlqxian1RZ4QQIXbBhzWt2vE6roOv h5Sb+F/3L6++RBecYlOK+/fKWRJ9ym5nf86uqhRmfj1hA/GX7s/AZvZAJEWx7MK+G1 WjtrYmqtpIaSuUNZ+7hjjnUNTSqE6HPkDiSXlsFudVcD3DDc7qBHhyLXGU4kjd2zSp hvJ4CuVgysdhorhnAngH26w2Avw3ksAbGOVHB5gl9/Gd+zfnFyIbFEQVEQF0kG4Net Qxs1BfQbAQQAuYWK2N4RMk0X61Dq6Ts87F1diYTYuaJz30o7bp9PW5Q58zMRjtuvlu QwEmR6sMofWDg== Date: Sat, 25 Jun 2022 14:28:02 +0100 From: Jonathan Cameron To: Olivier Moysan Cc: Alexandre Torgue , Fabrice Gasnier , Lars-Peter Clausen , Maxime Coquelin , Paul Cercueil , Wan Jiabing , , , , Subject: Re: [PATCH 0/2] iio: adc: stm32-adc: add checks on adc state Message-ID: <20220625142802.51ee9637@jic23-huawei> In-Reply-To: <20220620154738.801706-1-olivier.moysan@foss.st.com> References: <20220620154738.801706-1-olivier.moysan@foss.st.com> X-Mailer: Claws Mail 4.1.0 (GTK 3.24.34; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-7.7 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 20 Jun 2022 17:47:36 +0200 Olivier Moysan wrote: > On ADC startup a calibration is launched. > A prerequisite for ADC calibration is to have ADC in disabled state. > After kernel boot, the ADC state may be unknown as the ADC may have been left enabled by boot stage. > > Call ADC disable routine systematically before launching calibration. > Adapt ADC disable routine to perform disabling sequence according to current ADC state. > > Olivier Moysan (2): > iio: adc: stm32-adc: make safe adc disable > iio: adc: stm32-adc: disable adc before calibration > > drivers/iio/adc/stm32-adc.c | 6 ++++++ > 1 file changed, 6 insertions(+) > Series applied to the togreg branch and pushed out as testing for all the normal reasons. Thanks, Jonathan