From patchwork Thu Oct 3 10:45:45 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Young X-Patchwork-Id: 11172499 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AF8521709 for ; Thu, 3 Oct 2019 10:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 984DF21D71 for ; Thu, 3 Oct 2019 10:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728919AbfJCKpr (ORCPT ); Thu, 3 Oct 2019 06:45:47 -0400 Received: from gofer.mess.org ([88.97.38.141]:39061 "EHLO gofer.mess.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725827AbfJCKpr (ORCPT ); Thu, 3 Oct 2019 06:45:47 -0400 Received: by gofer.mess.org (Postfix, from userid 1000) id 04D53C6344; Thu, 3 Oct 2019 11:45:45 +0100 (BST) From: Sean Young To: linux-media@vger.kernel.org Subject: [PATCH v4l-utils] ir-ctl: report timeout when it cannot be modified Date: Thu, 3 Oct 2019 11:45:45 +0100 Message-Id: <20191003104545.2509-1-sean@mess.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org There are many IR devices which cannot modify their timeout, but do have a timeout which should be reported (e.g. mtk_cir). Signed-off-by: Sean Young --- utils/ir-ctl/ir-ctl.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/utils/ir-ctl/ir-ctl.c b/utils/ir-ctl/ir-ctl.c index 8aead6e0..ef399808 100644 --- a/utils/ir-ctl/ir-ctl.c +++ b/utils/ir-ctl/ir-ctl.c @@ -966,13 +966,16 @@ static void lirc_features(struct arguments *args, int fd, unsigned features) printf(_(" - Use wideband receiver\n")); if (features & LIRC_CAN_MEASURE_CARRIER) printf(_(" - Can measure carrier\n")); + + // This ioctl is only supported from kernel 4.18 onwards + unsigned timeout; + int rc = ioctl(fd, LIRC_GET_REC_TIMEOUT, &timeout); + if (rc == 0) + printf(_(" - Receiving timeout %u microseconds\n"), timeout); + if (features & LIRC_CAN_SET_REC_TIMEOUT) { - unsigned min_timeout, max_timeout, timeout; + unsigned min_timeout, max_timeout; - // This ioctl is only supported from kernel 4.18 onwards - int rc = ioctl(fd, LIRC_GET_REC_TIMEOUT, &timeout); - if (rc == 0) - printf(_(" - Receiving timeout %u microseconds\n"), timeout); rc = ioctl(fd, LIRC_GET_MIN_TIMEOUT, &min_timeout); if (rc) { fprintf(stderr, _("warning: %s: device supports setting receiving timeout but LIRC_GET_MIN_TIMEOUT returns: %m\n"), dev);