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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 69480C10F14 for ; Thu, 3 Oct 2019 16:17:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 30DCC2133F for ; Thu, 3 Oct 2019 16:17:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119464; bh=u7H7ztHchobE3ZGof1DEGjbx8GRy0u3r0WIDuLbnQ48=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Q34dW+bwv1U/2j8Lc+XAImsumvOSSpytXCRmuyijWYYhRM3LN9NUAaX5iA+EeqNJD axfDTTcnQ7y9xEsqOmADSDsXtyhC5PSnttAvwMs1pLhOE/+gp9ZNWrEMTxNN9IEEQ/ BBS4vY4OgoOiv+dh1W3FEeWBfvzACbvoS9NZKoLw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389296AbfJCQRn (ORCPT ); Thu, 3 Oct 2019 12:17:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:43646 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388397AbfJCQRi (ORCPT ); Thu, 3 Oct 2019 12:17:38 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 82CFA21848; Thu, 3 Oct 2019 16:17:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570119458; bh=u7H7ztHchobE3ZGof1DEGjbx8GRy0u3r0WIDuLbnQ48=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O3Cy/42ua66JMeC3JTNN1RSOpgRAE2vg+z4lJ4DYADzBYD0I3cuizGaTX5okNr79x HrdV02CK6cMQne5FK2Fd3YtKbJW7K/QxaMFe5lEcaoQf5R+hfdYJxJp4NQ/ZSq4siK WTlZ6UGYU2HCDiqmbIaOjdeVAeUHwcE1TlEPi6ZY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sean Young , Sean Wang , Mauro Carvalho Chehab , Sasha Levin Subject: [PATCH 4.19 033/211] media: mtk-cir: lower de-glitch counter for rc-mm protocol Date: Thu, 3 Oct 2019 17:51:39 +0200 Message-Id: <20191003154454.650243924@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191003154447.010950442@linuxfoundation.org> References: <20191003154447.010950442@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sean Young [ Upstream commit 5dd4b89dc098bf22cd13e82a308f42a02c102b2b ] The rc-mm protocol can't be decoded by the mtk-cir since the de-glitch filter removes pulses/spaces shorter than 294 microseconds. Tested on a BananaPi R2. Signed-off-by: Sean Young Acked-by: Sean Wang Signed-off-by: Mauro Carvalho Chehab Signed-off-by: Sasha Levin --- drivers/media/rc/mtk-cir.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/rc/mtk-cir.c b/drivers/media/rc/mtk-cir.c index e42efd9d382ec..d37b85d2bc750 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -44,6 +44,11 @@ /* Fields containing pulse width data */ #define MTK_WIDTH_MASK (GENMASK(7, 0)) +/* IR threshold */ +#define MTK_IRTHD 0x14 +#define MTK_DG_CNT_MASK (GENMASK(12, 8)) +#define MTK_DG_CNT(x) ((x) << 8) + /* Bit to enable interrupt */ #define MTK_IRINT_EN BIT(0) @@ -409,6 +414,9 @@ static int mtk_ir_probe(struct platform_device *pdev) mtk_w32_mask(ir, val, ir->data->fields[MTK_HW_PERIOD].mask, ir->data->fields[MTK_HW_PERIOD].reg); + /* Set de-glitch counter */ + mtk_w32_mask(ir, MTK_DG_CNT(1), MTK_DG_CNT_MASK, MTK_IRTHD); + /* Enable IR and PWM */ val = mtk_r32(ir, MTK_CONFIG_HIGH_REG); val |= MTK_OK_COUNT(ir->data->ok_count) | MTK_PWM_EN | MTK_IR_EN; -- 2.20.1