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[209.132.180.67]) by mx.google.com with ESMTP id w5si7442359eds.179.2019.09.23.13.36.39; Mon, 23 Sep 2019 13:37:05 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=Yy0I9hxI; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388850AbfIVSoo (ORCPT + 99 others); Sun, 22 Sep 2019 14:44:44 -0400 Received: from mail.kernel.org ([198.145.29.99]:39894 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388677AbfIVSoL (ORCPT ); Sun, 22 Sep 2019 14:44:11 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D7C3F206C2; Sun, 22 Sep 2019 18:44:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569177850; bh=lZGEvVKT7P6VlhMVE3btjG8+YRwhHKeruH72i+PVMm4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Yy0I9hxIHNZ2wP4cGb9xnGOA94YxMy0X21/FkqqpeT6a7xV38myVQU/v3DIP0LRTB SG/Bri4/DJv+aE7AvHQ8iVGxjTuyCogOCkIu8FZZDpTuO2I14VT1iOwP/mLXEHBenH 6r6LujTpAXRP92rogMiNnnyvS61IfnGWYvwbgmI0= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sean Young , Sean Wang , Mauro Carvalho Chehab , Sasha Levin , linux-media@vger.kernel.org Subject: [PATCH AUTOSEL 5.3 016/203] media: mtk-cir: lower de-glitch counter for rc-mm protocol Date: Sun, 22 Sep 2019 14:40:42 -0400 Message-Id: <20190922184350.30563-16-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190922184350.30563-1-sashal@kernel.org> References: <20190922184350.30563-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 50fb0aebb8d40..f2259082e3d82 100644 --- a/drivers/media/rc/mtk-cir.c +++ b/drivers/media/rc/mtk-cir.c @@ -35,6 +35,11 @@ /* 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) @@ -398,6 +403,9 @@ 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