From patchwork Wed Aug 25 15:24:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 12457903 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 C7E09C43214 for ; Wed, 25 Aug 2021 15:34:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B65716112D for ; Wed, 25 Aug 2021 15:34:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241815AbhHYPey (ORCPT ); Wed, 25 Aug 2021 11:34:54 -0400 Received: from mslow1.mail.gandi.net ([217.70.178.240]:58719 "EHLO mslow1.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229732AbhHYPey (ORCPT ); Wed, 25 Aug 2021 11:34:54 -0400 Received: from relay6-d.mail.gandi.net (unknown [217.70.183.198]) by mslow1.mail.gandi.net (Postfix) with ESMTP id 441B8C024E; Wed, 25 Aug 2021 15:26:23 +0000 (UTC) Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay6-d.mail.gandi.net (Postfix) with ESMTPSA id C6DECC000B; Wed, 25 Aug 2021 15:25:59 +0000 (UTC) From: Miquel Raynal To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Lee Jones , bcousson@baylibre.com, Tony Lindgren , Tero Kristo , Michael Turquette , Stephen Boyd Cc: Thomas Petazzoni , "Ryan J . Barnett" , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-input@vger.kernel.org, linux-omap@vger.kernel.org, linux-clk@vger.kernel.org, Miquel Raynal Subject: [PATCH 19/40] mfd: ti_am335x_tscadc: Always provide an idle configuration Date: Wed, 25 Aug 2021 17:24:57 +0200 Message-Id: <20210825152518.379386-20-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210825152518.379386-1-miquel.raynal@bootlin.com> References: <20210825152518.379386-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org The idle register is valid no matter if the touchscreen is used or not, let's always configure it. Signed-off-by: Miquel Raynal --- drivers/mfd/ti_am335x_tscadc.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 258199be4c6a..7071344ad18e 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -218,16 +218,16 @@ static int ti_tscadc_probe(struct platform_device *pdev) ctrl = CNTRLREG_STEPCONFIGWRT | CNTRLREG_STEPID; regmap_write(tscadc->regmap, REG_CTRL, ctrl); - /* Set register bits for Idle Config Mode */ if (tsc_wires > 0) { tscadc->tsc_wires = tsc_wires; if (tsc_wires == 5) ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; else ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; - tscadc_idle_config(tscadc); } + tscadc_idle_config(tscadc); + /* Enable the TSC module enable bit */ ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); @@ -318,12 +318,12 @@ static int __maybe_unused tscadc_resume(struct device *dev) ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; else ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; - tscadc_idle_config(tscadc); } ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl); regmap_write(tscadc->regmap, REG_CLKDIV, tscadc->clk_div); + tscadc_idle_config(tscadc); return 0; }