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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 933F3C43334 for ; Mon, 11 Jul 2022 09:41:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233293AbiGKJlq (ORCPT ); Mon, 11 Jul 2022 05:41:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37458 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233245AbiGKJkz (ORCPT ); Mon, 11 Jul 2022 05:40:55 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58FC18E6FD; Mon, 11 Jul 2022 02:20:53 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 00094B80E7A; Mon, 11 Jul 2022 09:20:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 535D7C34115; Mon, 11 Jul 2022 09:20:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1657531250; bh=ZKjilJr1MP2/qYrlEE/6AKD8YftFdoAeZU9lHWGwhvA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=qUtmy8km3q7iA/07CZNA+0WVK9MVO8t2keQ4rIaowJ/MpWSMQL5mVuThOulzJEvHy NbXPplAjD1dm5bCR2EMCN6kdsvJfIA3eCGxhOoE1Wj4ewWjf58x8JKg3s/ReLP1e1l G7yN46y/ECGXjCul3qTyPazuUIMRO7W3W+Tu53Sw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sean Young , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 5.15 036/230] media: ir_toy: prevent device from hanging during transmit Date: Mon, 11 Jul 2022 11:04:52 +0200 Message-Id: <20220711090605.104533160@linuxfoundation.org> X-Mailer: git-send-email 2.37.0 In-Reply-To: <20220711090604.055883544@linuxfoundation.org> References: <20220711090604.055883544@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sean Young [ Upstream commit 4114978dcd24e72415276bba60ff4ff355970bbc ] If the IR Toy is receiving IR while a transmit is done, it may end up hanging. We can prevent this from happening by re-entering sample mode just before issuing the transmit command. Link: https://github.com/bengtmartensson/HarcHardware/discussions/25 Cc: stable@vger.kernel.org [mchehab: renamed: s/STATE_RESET/STATE_COMMAND_NO_RESP/ ] Signed-off-by: Sean Young Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/rc/ir_toy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/rc/ir_toy.c b/drivers/media/rc/ir_toy.c index 7f394277478b..53ae19fa103a 100644 --- a/drivers/media/rc/ir_toy.c +++ b/drivers/media/rc/ir_toy.c @@ -310,7 +310,7 @@ static int irtoy_tx(struct rc_dev *rc, uint *txbuf, uint count) buf[i] = cpu_to_be16(v); } - buf[count] = cpu_to_be16(0xffff); + buf[count] = 0xffff; irtoy->tx_buf = buf; irtoy->tx_len = size; -- 2.35.1