From patchwork Tue Apr 26 05:58:28 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 15710 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 ECC84C0F1B for ; Tue, 26 Apr 2022 05:59:35 +0000 (UTC) Received: from lancelot.ideasonboard.com (localhost [IPv6:::1]) by lancelot.ideasonboard.com (Postfix) with ESMTP id 8FF1065647; Tue, 26 Apr 2022 07:59:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=libcamera.org; s=mail; t=1650952775; 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=oDrh7bhXKdw1Cx1BorXN2ad/cmXTxI1ERfvYMamMiQd1kff5TK6Be0p+2/fOf7qCG pjap0LHpLoNhSYHLRzC8oSlRYlbNaYnBzgbbCog/2h0+P3p9mnoWGqPipEAbbhwHNJ gWcl9myEcZruVTrQoXZ7xKxJJ6PzOtyLeVuGMmYINOoBQmez3YQzNjD/9y5lrWhguK twC2ZrRUJMf7Gewkeqmg4xTLXOMRBmqH6M0aXnrlFDsAg/p/Zj91Zj3CjO1Lu7usg3 6s9xTciXRO3PHia+palz0A/Lg0j+DZFfB12YZypmJMfsHwRxU71CldkSmtOgD4MG3z loIxOZI0Y46Hw== 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 123C86042D for ; Tue, 26 Apr 2022 07:59:33 +0200 (CEST) Authentication-Results: lancelot.ideasonboard.com; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.b="SU5Gq4b0"; dkim-atps=neutral DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1650952773; 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=SU5Gq4b0lJyaRsY0ThdB/rSY/DZ7SHtvDHAJFV7JzR5a9YEkW5tJFPmzRl46HyUIeCNusM 2dOvFw0REO0Ormwl/ANdA/X7J+mBltn2TYgr765nKinTEPMEq6B9IywBfdZkzqMmh1E/d8 S/+EHxsZPD6zR+IS6+xmACwa33sH/NU= 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-161-NMffx9V5MAGcjZNYqJID9g-1; Tue, 26 Apr 2022 01:59:31 -0400 X-MC-Unique: NMffx9V5MAGcjZNYqJID9g-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 9CABC811E80 for ; Tue, 26 Apr 2022 05:59:16 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.178]) by smtp.corp.redhat.com (Postfix) with ESMTP id 847FD111DCFC; Tue, 26 Apr 2022 05:59:06 +0000 (UTC) To: libcamera devel Date: Tue, 26 Apr 2022 13:58:28 +0800 Message-Id: <20220426055830.8999-3-hpa@redhat.com> In-Reply-To: <20220426055830.8999-1-hpa@redhat.com> References: <20220426055830.8999-1-hpa@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 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] [PATCH v3 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;