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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D334C433EF for ; Fri, 21 Jan 2022 15:21:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1381576AbiAUPVr (ORCPT ); Fri, 21 Jan 2022 10:21:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1381536AbiAUPVb (ORCPT ); Fri, 21 Jan 2022 10:21:31 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 38A8BC061744 for ; Fri, 21 Jan 2022 07:21:31 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: detlev) with ESMTPSA id 8F1B61F46214 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1642778490; bh=r2NUuVpLB3Cn7OcgzQz7XHk2TvhI+FZhqWFg7FO+3BE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EzNQpGdnZS5R/oj54hGdYMdDgIy6KogxpbzxvxykxzNTQTvClZuOE5FTwJe0+BMcG ZG5YR59CGUI6JgJvfx1pEgdo5iSyva3jH+CWEGPoxIz38+xosa0X4cN9MxMJP/4VkX eJ8pYuiD1TSDM4vhYhK6dhd724flyIzpzAMYu6+GmeLFfxfdCyhEXcpLHMrQYvPgRS dHMbmDhrzKw843StpRG52M/BKdwFAB+2JfaI9U5BkEfLPMcH/wd0536BbSSJo1N4ro hZ6yzoCAuIEcsZ9Xf+lHYzl+oElk06p+8jV4m663/gRXt5p6qV38PKAzxptVewnmGM aGvJokb0giCHw== From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Dave Stevenson , Liam Girdwood , Mark Brown Subject: [PATCH v2 4/9] regulator: rpi-panel: Ensure the backlight is off during probe. Date: Fri, 21 Jan 2022 10:20:51 -0500 Message-Id: <20220121152056.2044551-5-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220121152056.2044551-1-detlev.casanova@collabora.com> References: <20220121152056.2044551-1-detlev.casanova@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dave Stevenson The initial state of the Atmel is not defined, so ensure the backlight PWM is set to 0 by default. Signed-off-by: Dave Stevenson --- drivers/regulator/rpi-panel-attiny-regulator.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/regulator/rpi-panel-attiny-regulator.c b/drivers/regulator/rpi-panel-attiny-regulator.c index a4af7adad2b5..b3629a1e0e50 100644 --- a/drivers/regulator/rpi-panel-attiny-regulator.c +++ b/drivers/regulator/rpi-panel-attiny-regulator.c @@ -250,6 +250,7 @@ static int attiny_i2c_probe(struct i2c_client *i2c, regmap_write(regmap, REG_POWERON, 0); msleep(30); + regmap_write(regmap, REG_PWM, 0); config.dev = &i2c->dev; config.regmap = regmap; -- 2.34.1