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 X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 533DCC433ED for ; Wed, 14 Apr 2021 09:40:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34F5961220 for ; Wed, 14 Apr 2021 09:40:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232344AbhDNJlK (ORCPT ); Wed, 14 Apr 2021 05:41:10 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:33722 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S231782AbhDNJlE (ORCPT ); Wed, 14 Apr 2021 05:41:04 -0400 X-UUID: a398c42e233e4202baf3660b517f74ad-20210414 X-UUID: a398c42e233e4202baf3660b517f74ad-20210414 Received: from mtkmbs10n1.mediatek.inc [(172.21.101.34)] by mailgw01.mediatek.com (envelope-from ) (Cellopoint E-mail Firewall v4.1.14 Build 0819 with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1186024364; Wed, 14 Apr 2021 17:40:38 +0800 Received: from MTKCAS06.mediatek.inc (172.21.101.30) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 14 Apr 2021 17:40:37 +0800 Received: from mtksdccf07.mediatek.inc (172.21.84.99) by MTKCAS06.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 14 Apr 2021 17:40:36 +0800 From: YP WU To: , , , , , , CC: , Subject: How to use "DTV_FE_CAPABILITY" command for Frontend.h of Linux DVB Date: Wed, 14 Apr 2021 17:40:37 +0800 Message-ID: <20210414094037.1489-1-yp.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello STI maintainer, I work at mediatek company. Currently I develop TV with Linux DVB system. I would like to ask the following questions about "DTV_FE_CAPABILITY" in Frontend.h: 1. The use case for DTV_FE_CAPABILITY in DVB property command. 2. Does it have any restriction for using this command? 3. What’s your suggestion for using this command? File path: include/uapi/linux/dvb/Frontend.h #define DTV_FE_CAPABILITY 16 Thanks for your help. BRs, YP