From patchwork Sun Jun 4 16:14:02 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: 13266686 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 879C8C77B73 for ; Sun, 4 Jun 2023 16:15:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231754AbjFDQPM (ORCPT ); Sun, 4 Jun 2023 12:15:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232011AbjFDQPK (ORCPT ); Sun, 4 Jun 2023 12:15:10 -0400 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 3FAB7DC for ; Sun, 4 Jun 2023 09:14:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1685895260; 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=RgqWZJY1gtiF9VOC9b6KBuvHjPw32HL9s7xBsjtjjiw=; b=RzyJSxMrWJfgv4mJUsUSyIpZUoLqVFMNMS3Ks78TsUAQOrPS5EMC5gWP7YcUspNPBYhtCV dTEAgI49ElI1gtxCJTo5Z2g2Gd1l2Gw/zJFQNOGZFXbOQyWSH2AdtyZ1oitf+nwUmsfXd0 fqbx73V8uMmJ7cuxSRPPniJnc+AYntc= 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-386-C3-XVopoNfKFSlB8yTQueg-1; Sun, 04 Jun 2023 12:14:16 -0400 X-MC-Unique: C3-XVopoNfKFSlB8yTQueg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 58C32101A52C; Sun, 4 Jun 2023 16:14:15 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id C51E5492B00; Sun, 4 Jun 2023 16:14:13 +0000 (UTC) From: Hans de Goede To: Mauro Carvalho Chehab , Sakari Ailus , Andy Shevchenko Cc: Hans de Goede , Kate Hsuan , Tsuchiya Yuto , Yury Luneff , Nable , andrey.i.trufanov@gmail.com, Fabio Aiuto , linux-media@vger.kernel.org, linux-staging@lists.linux.dev Subject: [PATCH 1/5] media: atomisp: Stop resetting selected input to 0 between /dev/video# opens Date: Sun, 4 Jun 2023 18:14:02 +0200 Message-Id: <20230604161406.69369-2-hdegoede@redhat.com> In-Reply-To: <20230604161406.69369-1-hdegoede@redhat.com> References: <20230604161406.69369-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.9 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org No other V4L2 driver resets the selected input (front cam or back cam selected in case of the atomisp). Stop resetting selected input to 0 between /dev/video# opens. This allows e.g. using v4l2-ctl -i to switch the input before starting another app, which is useful since most apps don't support selecting the input. Note more in general the whole resetting of a bunch of internal state from the open fop needs to be removed there to allow multiple opens of /dev/video# for full v4l2 API compliance. Signed-off-by: Hans de Goede --- drivers/staging/media/atomisp/pci/atomisp_fops.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/staging/media/atomisp/pci/atomisp_fops.c b/drivers/staging/media/atomisp/pci/atomisp_fops.c index 36e441dce7d5..54466d2f323a 100644 --- a/drivers/staging/media/atomisp/pci/atomisp_fops.c +++ b/drivers/staging/media/atomisp/pci/atomisp_fops.c @@ -474,9 +474,6 @@ static void atomisp_subdev_init_struct(struct atomisp_sub_device *asd) /* s3a grid not enabled for any pipe */ asd->params.s3a_enabled_pipe = IA_CSS_PIPE_ID_NUM; - /* Add for channel */ - asd->input_curr = 0; - asd->copy_mode = false; asd->stream_prepared = false;