From patchwork Thu Apr 21 07:28:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 15693 Return-Path: X-Original-To: parsemail@patchwork.libcamera.org Delivered-To: parsemail@patchwork.libcamera.org Received: from lancelot.ideasonboard.com (lancelot.ideasonboard.com [92.243.16.209]) by patchwork.libcamera.org (Postfix) with ESMTPS id A9DF4C0F1B for ; Thu, 21 Apr 2022 07:29:12 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 6CC136564A; Thu, 21 Apr 2022 09:29:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org; s=mail; t=1650526152; bh=F2y+L6vE3qfEbBj7N92mo37hhxc8Nd5vp5+8wcu29mw=; h=To:Date:In-Reply-To:References:Subject:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=rnlHuPw8UJyWlQMq0PFDvZFTB21771Uyhmm4IjRCSwUcpD/dSP0u53/VI5FKdXux7 Eo85duHojnwBQl7J85/XPq+gDclIIoTNtZU/IUcfR7AP7Rf3/MbTeN0Cp1i2p1gPfo RiCcd8PHkVQMX0zq6qXlXe7fz5pNfqVtOA06ACZ8E7HanUOceFzcJ+VnWNyx0ImvcU 7DZtnZSOhUcWVcK2RraKYDDb6A8eI/Kcljz/zSiUQgw4iDd37a3aQi5+TZx6MfluCm c1enGtOLMLYfTe9bz+pFdac3puRkfPdZ6h+4khSnaGoe8xb31uMkebsAdl7XJO4cAl rctgaLoPkQYPw== Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by lancelot.ideasonboard.com (Postfix) with ESMTPS id C1C0565643 for ; Thu, 21 Apr 2022 09:29:10 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="gdYG+v8T"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650526149; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=lGfsVSJOvG0lJQ4ZxO5jD55efCr/5Wy/6avz9J/1qi0=; b=gdYG+v8Tbd7EDm5VAep+sCw79pobtQ3oT0rhmhZWN5a23aI81M6oX6W16tBk7Oq+Wkf515 sYa4RaT7YmYbISvAiMMZjAAgzlf0089ayB/kNsQSSFYyQ3iy2tIa6kCzq+NBK3LNsp/ig0 5A4J/qsSXpTVNbQs0GzK1WbJnkuN3Og= 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-43-YdiIO9yhNvGY6hW9RdlrCQ-1; Thu, 21 Apr 2022 03:29:08 -0400 X-MC-Unique: YdiIO9yhNvGY6hW9RdlrCQ-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 8CB3A811E80 for ; Thu, 21 Apr 2022 07:29:08 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.194.88]) by smtp.corp.redhat.com (Postfix) with ESMTP id 94201C33AE9; Thu, 21 Apr 2022 07:29:06 +0000 (UTC) To: libcamera devel Date: Thu, 21 Apr 2022 15:28:46 +0800 Message-Id: <20220421072848.6752-3-hpa@redhat.com> In-Reply-To: <20220421072848.6752-1-hpa@redhat.com> References: <20220421072848.6752-1-hpa@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.85 on 10.11.54.8 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hpa@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Subject: [libcamera-devel] [RFC PATCH v2 2/4] libcamera: camera_lens: Get maximum VCM steps X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Kate Hsuan via libcamera-devel From: Kate Hsuan Reply-To: Kate Hsuan Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" It allows other components to get the maximum VCM steps. It get the device information from subdev and return it's maximum value. Signed-off-by: Kate Hsuan --- include/libcamera/internal/camera_lens.h | 1 + src/libcamera/camera_lens.cpp | 13 +++++++++++++ 2 files changed, 14 insertions(+) diff --git a/include/libcamera/internal/camera_lens.h b/include/libcamera/internal/camera_lens.h index 277417da..84b3c884 100644 --- a/include/libcamera/internal/camera_lens.h +++ b/include/libcamera/internal/camera_lens.h @@ -27,6 +27,7 @@ public: int init(); int setFocusPosition(int32_t position); + int getMaxFocusStep(); const std::string &model() const { return model_; } diff --git a/src/libcamera/camera_lens.cpp b/src/libcamera/camera_lens.cpp index b3d48199..b9810551 100644 --- a/src/libcamera/camera_lens.cpp +++ b/src/libcamera/camera_lens.cpp @@ -95,6 +95,19 @@ int CameraLens::setFocusPosition(int32_t position) return 0; } +/** + * \brief Get maximum lens steps + * \return The maximum lens steps. + */ +int CameraLens::getMaxFocusStep() +{ + const ControlInfoMap &infoMap_ = subdev_->controls(); + const ControlInfo devInfo = infoMap_.find(V4L2_CID_FOCUS_ABSOLUTE)->second; + int32_t maxFocus = devInfo.max().get(); + + return maxFocus; +} + int CameraLens::validateLensDriver() { int ret = 0;