From patchwork Wed Sep 15 15:58:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 12496585 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7DE97C433FE for ; Wed, 15 Sep 2021 15:59:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6931461354 for ; Wed, 15 Sep 2021 15:59:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238315AbhIOQBL (ORCPT ); Wed, 15 Sep 2021 12:01:11 -0400 Received: from relay8-d.mail.gandi.net ([217.70.183.201]:56605 "EHLO relay8-d.mail.gandi.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238358AbhIOQBK (ORCPT ); Wed, 15 Sep 2021 12:01:10 -0400 Received: (Authenticated sender: miquel.raynal@bootlin.com) by relay8-d.mail.gandi.net (Postfix) with ESMTPSA id 14C661BF207; Wed, 15 Sep 2021 15:59:49 +0000 (UTC) From: Miquel Raynal To: Jonathan Cameron , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Dmitry Torokhov , Lee Jones , bcousson@baylibre.com, Tony Lindgren Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-omap@vger.kernel.org, Thomas Petazzoni , Vignesh Raghavendra , Lokesh Vutla , Tero Kristo , Ryan Barnett , Grygorii Strashko , Jason Reeder , Miquel Raynal , Jonathan Cameron Subject: [PATCH v3 20/47] mfd: ti_am335x_tscadc: Always provide an idle configuration Date: Wed, 15 Sep 2021 17:58:41 +0200 Message-Id: <20210915155908.476767-21-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210915155908.476767-1-miquel.raynal@bootlin.com> References: <20210915155908.476767-1-miquel.raynal@bootlin.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@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 Reviewed-by: Jonathan Cameron --- drivers/mfd/ti_am335x_tscadc.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/ti_am335x_tscadc.c b/drivers/mfd/ti_am335x_tscadc.c index 8404fc662725..610853814024 100644 --- a/drivers/mfd/ti_am335x_tscadc.c +++ b/drivers/mfd/ti_am335x_tscadc.c @@ -221,16 +221,16 @@ 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); @@ -321,8 +321,10 @@ static int __maybe_unused tscadc_resume(struct device *dev) ctrl |= CNTRLREG_5WIRE | CNTRLREG_TSCENB; else ctrl |= CNTRLREG_4WIRE | CNTRLREG_TSCENB; - tscadc_idle_config(tscadc); } + + tscadc_idle_config(tscadc); + ctrl |= CNTRLREG_TSCSSENB; regmap_write(tscadc->regmap, REG_CTRL, ctrl);