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 796FAC433EF for ; Tue, 25 Jan 2022 03:03:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1315595AbiAYCxv (ORCPT ); Mon, 24 Jan 2022 21:53:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36222 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2374234AbiAYAQe (ORCPT ); Mon, 24 Jan 2022 19:16:34 -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 50023C038AF3 for ; Mon, 24 Jan 2022 14:01:43 -0800 (PST) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: detlev) with ESMTPSA id 954E11F438FE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1643061702; bh=mp0tkZLX7tw26KY5Skjy5PePDYT8EZn9ewhzvxDKrbU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=gCT33eWqw4pxs+yhUVMZLtqSf/8GYh0J4Wkp6nTh5xxs+5b9p+y2hWcBpd/AqYSmA oRI7XkvYLCPHIDnhAwuKXr1rRWTEoFc9da7YMdS1R0wxXHSdHIZJdI3JwxHwnwoVfa MYeExtx3CPjl1zMpFS8KQ1pNrM8XGpbMgGLEb8jL1d9TlLMMAZVxU6zuk1gE5N/CYL oHnImIqjs4aiwOpm/NgNkaM/wJU4+F4a70TbpUPualPksdjdBp4FEA7BLtoL0Z3zCh SCSBcjAp4UffpzkRIyjI7ZFzmGQMntQ3orHxi0r8oxLqVvBxixgXsxlGTPTHfAs6rL acZNeeFUCsdSg== From: Detlev Casanova To: linux-kernel@vger.kernel.org Cc: Dave Stevenson , Liam Girdwood , Mark Brown , Detlev Casanova Subject: [PATCH v3 4/9] regulator: rpi-panel: Ensure the backlight is off during probe. Date: Mon, 24 Jan 2022 17:01:24 -0500 Message-Id: <20220124220129.158891-5-detlev.casanova@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124220129.158891-1-detlev.casanova@collabora.com> References: <20220124220129.158891-1-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 Signed-off-by: Detlev Casanova --- 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