From patchwork Wed Jul 3 09:55:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Fitzgerald X-Patchwork-Id: 13721643 Received: from mx0b-001ae601.pphosted.com (mx0a-001ae601.pphosted.com [67.231.149.25]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16A9C1411E0; Wed, 3 Jul 2024 09:55:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.149.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720000535; cv=none; b=ALVm1nEB5vkA49JCAp1x1vp1Eq6/6Zo7G7p4xjcpRhHc2Zr4G3nvd/t+fi90rP8Xu0NEodO8Z6KbDiVYVPhKTmadQKgCEiaxcOoLIHzIWL+MOVQxbd+nWyzWXYn8U5CI2VPelq+MGSDicUcY131A8oQVrIFEi2mPWbGiEK2ws2I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720000535; c=relaxed/simple; bh=K6avlmTj3HXl3IF6sXdRJdTatC9czwwt3hrIqh+w2HI=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=XCwSKl44Ubx3Lih+tb2LBzMUwSwDo8hxt+DPRoMsiX/zvOU3oeXtagCNmgXyxOQ71M6CvaPehCYnlsfPEb4qT9RGZLZZV9LhnccDoAX4lGFkoyEoKLQZ5Uo7rMHSDvzvVCf/x04nOaCezf/Neu8vjjKKziHZP0F56/AD/e72xA0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com; spf=pass smtp.mailfrom=opensource.cirrus.com; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b=Ujd4dAyD; arc=none smtp.client-ip=67.231.149.25 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=opensource.cirrus.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="Ujd4dAyD" Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4637xDTS029630; Wed, 3 Jul 2024 04:55:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= PODMain02222019; bh=xLpfh/EOvOaZoS9SdFgCbMXsXkOpWChOWYb38JS95bs=; b= Ujd4dAyDI9H+3Y8Db+2hORYUGz1hd/ZEpKnrvR5G/3YxJt/Qljt4FwvyVuXsGvRc 8VncN2naq8Fv7kW3WUy5VP3gpQiq5Zbzexrn9pD+cEuia+STmAyJroFfuZy1Bk6R yxX1m6jQbnf1Wiql5RQCvpIXVuQqVM3OlSME7nzeQjq+6cjh/0rhpBW7TitllbRj HLO74ow6P2XKsaS/8mZ+ADa87Wbop/7fm3JNaN9srPhqcFeEVJRaQ+vRWTL9Ys0k W4WMBH/3UQDlFRCz4InQa+yLB54sXLWkBa/aIBtoHlJHZ7C5wA2WWeS062dvQ5AE 0Ikj8LvNEOrJCEwGnh+vdQ== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0a-001ae601.pphosted.com (PPS) with ESMTPS id 402fnxcq1c-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 03 Jul 2024 04:55:21 -0500 (CDT) Received: from ediex01.ad.cirrus.com (198.61.84.80) by ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 3 Jul 2024 10:55:18 +0100 Received: from ediswmail9.ad.cirrus.com (198.61.86.93) by anon-ediex01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.2.1544.9 via Frontend Transport; Wed, 3 Jul 2024 10:55:18 +0100 Received: from ediswws06.ad.cirrus.com (ediswws06.ad.cirrus.com [198.90.208.18]) by ediswmail9.ad.cirrus.com (Postfix) with ESMTP id 0F55E820257; Wed, 3 Jul 2024 09:55:18 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Subject: [PATCH 2/2] ASoC: cs35l56: Limit Speaker Volume to +12dB maximum Date: Wed, 3 Jul 2024 10:55:17 +0100 Message-ID: <20240703095517.208077-3-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240703095517.208077-1-rf@opensource.cirrus.com> References: <20240703095517.208077-1-rf@opensource.cirrus.com> Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: w2kT3kpPaJmcpFSN0gZf-kdSIybRhFLH X-Proofpoint-ORIG-GUID: w2kT3kpPaJmcpFSN0gZf-kdSIybRhFLH X-Proofpoint-Spam-Reason: safe Change CS35L56_MAIN_RENDER_USER_VOLUME_MAX to 48, to limit the maximum value of the Speaker Volume control to +12dB. The minimum value is unchanged so that the default 0dB has the same integer control value. The original maximum of 400 (+100dB) was the largest value that can be mathematically handled by the DSP. The actual maximum amplification is +12dB. Signed-off-by: Richard Fitzgerald --- include/sound/cs35l56.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/sound/cs35l56.h b/include/sound/cs35l56.h index 642ef690ebc2..a6aa112e5741 100644 --- a/include/sound/cs35l56.h +++ b/include/sound/cs35l56.h @@ -207,7 +207,7 @@ /* CS35L56_MAIN_RENDER_USER_VOLUME */ #define CS35L56_MAIN_RENDER_USER_VOLUME_MIN -400 -#define CS35L56_MAIN_RENDER_USER_VOLUME_MAX 400 +#define CS35L56_MAIN_RENDER_USER_VOLUME_MAX 48 #define CS35L56_MAIN_RENDER_USER_VOLUME_MASK 0x0000FFC0 #define CS35L56_MAIN_RENDER_USER_VOLUME_SHIFT 6 #define CS35L56_MAIN_RENDER_USER_VOLUME_SIGNBIT 9