From patchwork Mon Jan 23 12:52:00 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 646388 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 466B7C38142 for ; Mon, 23 Jan 2023 12:55:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231899AbjAWMzl (ORCPT ); Mon, 23 Jan 2023 07:55:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231959AbjAWMzk (ORCPT ); Mon, 23 Jan 2023 07:55:40 -0500 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84A621E5FD for ; Mon, 23 Jan 2023 04:54:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1674478489; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zHUJ+C02E6YmrRlLtAxumEjggrRU0c9ROhtMF06hV2w=; b=dIV6zUKtUUfWFpx3Q2qStzgryhkrlCGoa3QD0k+JlpSwoqA1EiC+PZWs0YPjw6D7895Hru oGCeGBF76rP80a0zY2Omm7vtJePSf52Cp6HOageqs8GVEQUIeMZTGwJhcYnTmwFj9uX2ho Vy0vGeJxMKqkhBZ/w4FV+Fv4fJWIt3A= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-646-dO6RnIt-PgW7AABz4bggDw-1; Mon, 23 Jan 2023 07:54:44 -0500 X-MC-Unique: dO6RnIt-PgW7AABz4bggDw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id CA396101A521; Mon, 23 Jan 2023 12:54:43 +0000 (UTC) Received: from x1.localdomain.com (unknown [10.39.194.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id A380EC15BA0; Mon, 23 Jan 2023 12:54:41 +0000 (UTC) From: Hans de Goede To: Mauro Carvalho Chehab , Sakari Ailus Cc: Hans de Goede , Tsuchiya Yuto , Andy Shevchenko , Yury Luneff , Nable , andrey.i.trufanov@gmail.com, Fabio Aiuto , linux-media@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH 52/57] media: atomisp: ov2722: Fix GPIO1 polarity Date: Mon, 23 Jan 2023 13:52:00 +0100 Message-Id: <20230123125205.622152-53-hdegoede@redhat.com> In-Reply-To: <20230123125205.622152-1-hdegoede@redhat.com> References: <20230123125205.622152-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The comment claims the PWDN pin is active when pulled down in other words, it is /power-down so it needs to be driven high to get the sensor powered-up (not powered down) and flag is 1 when powering-up the sensor so the ! is wrong, drop it. This also matches with the schematics which I have which shows GPIO1 also enables a 3.3v line to the sensor-module which controls the privacy-LED and indeed before this patch the privacy LED was inverted from what it should be (and the sensor did not work). Signed-off-by: Hans de Goede --- drivers/staging/media/atomisp/i2c/atomisp-ov2722.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c index d874e12da8cc..83d036b5d772 100644 --- a/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov2722.c @@ -512,10 +512,7 @@ static int gpio_ctrl(struct v4l2_subdev *sd, bool flag) * before PWDN# when turning it on or off. */ ret = dev->platform_data->gpio0_ctrl(sd, flag); - /* - *ov2722 PWDN# active high when pull down,opposite to the convention - */ - ret |= dev->platform_data->gpio1_ctrl(sd, !flag); + ret |= dev->platform_data->gpio1_ctrl(sd, flag); return ret; }