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=-9.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 6B1A8C35646 for ; Fri, 21 Feb 2020 18:19:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 40025222C4 for ; Fri, 21 Feb 2020 18:19:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="TFnz+smq" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729509AbgBUSTX (ORCPT ); Fri, 21 Feb 2020 13:19:23 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:54924 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726150AbgBUSTW (ORCPT ); Fri, 21 Feb 2020 13:19:22 -0500 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 01LIJ7Av002930; Fri, 21 Feb 2020 12:19:07 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1582309147; bh=bsI2HkrAS+Vu3v42QGL3/rnggOmg6lsHS1PaGjXsLps=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=TFnz+smq5hJY4+vixyzlgEIaS8p/ZysyM3Cx6Jcq1EW7Y0OEdRzh9OWKtM3/IYcCk bjChMoF4f+RPotRrPd23fsQ9qT2e7INrBxeWS9ie2acFkfGEKvcBV5y0NHYfOrLFpp BBcS8jAGyJB5UnaVGNKEhPyTKjTkuKk8hAEw0npk= Received: from DLEE108.ent.ti.com (dlee108.ent.ti.com [157.170.170.38]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 01LIJ7R2064973 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 21 Feb 2020 12:19:07 -0600 Received: from DLEE107.ent.ti.com (157.170.170.37) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Fri, 21 Feb 2020 12:19:07 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE107.ent.ti.com (157.170.170.37) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Fri, 21 Feb 2020 12:19:07 -0600 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 01LIJ7TM047749; Fri, 21 Feb 2020 12:19:07 -0600 From: Dan Murphy To: , , , CC: , , Dan Murphy Subject: [PATCH for-next 2/2] ASoC: tlv320adcx140: Add decimation filter support Date: Fri, 21 Feb 2020 12:13:58 -0600 Message-ID: <20200221181358.22526-2-dmurphy@ti.com> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200221181358.22526-1-dmurphy@ti.com> References: <20200221181358.22526-1-dmurphy@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add decimation filter selection support. Per Section 8.3.6.7 the Digital Decimation Filter is selectable between a Linear Phase, Low Latency, and Ultra Low Latency filer. Signed-off-by: Dan Murphy --- sound/soc/codecs/tlv320adcx140.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/sound/soc/codecs/tlv320adcx140.c b/sound/soc/codecs/tlv320adcx140.c index 105e51be6fe6..93a0cb8e662c 100644 --- a/sound/soc/codecs/tlv320adcx140.c +++ b/sound/soc/codecs/tlv320adcx140.c @@ -169,6 +169,17 @@ static DECLARE_TLV_DB_SCALE(agc_thresh_tlv, -3600, 200, 0); /* AGC Max Gain. From 3 dB to 42 dB in 3 dB steps */ static DECLARE_TLV_DB_SCALE(agc_gain_tlv, 300, 300, 0); +static const char * const decimation_filter_text[] = { + "Linear Phase", "Low Latency", "Ultra-low Latency" +}; + +static SOC_ENUM_SINGLE_DECL(decimation_filter_enum, ADCX140_DSP_CFG0, 4, + decimation_filter_text); + +static const struct snd_kcontrol_new decimation_filter_controls[] = { + SOC_DAPM_ENUM("Decimation Filter", decimation_filter_enum), +}; + static const char * const resistor_text[] = { "2.5 kOhm", "10 kOhm", "20 kOhm" }; @@ -404,6 +415,9 @@ static const struct snd_soc_dapm_widget adcx140_dapm_widgets[] = { in3_resistor_controls), SND_SOC_DAPM_MUX("IN4 Analog Mic Resistor", SND_SOC_NOPM, 0, 0, in4_resistor_controls), + + SND_SOC_DAPM_MUX("Decimation Filter", SND_SOC_NOPM, 0, 0, + decimation_filter_controls), }; static const struct snd_soc_dapm_route adcx140_audio_map[] = { @@ -418,6 +432,10 @@ static const struct snd_soc_dapm_route adcx140_audio_map[] = { {"CH3_ASI_EN", "Switch", "CH3_ADC"}, {"CH4_ASI_EN", "Switch", "CH4_ADC"}, + {"Decimation Filter", "Linear Phase", "DRE_ENABLE"}, + {"Decimation Filter", "Low Latency", "DRE_ENABLE"}, + {"Decimation Filter", "Ultra-low Latency", "DRE_ENABLE"}, + {"DRE_ENABLE", "Switch", "CH1_DRE_EN"}, {"DRE_ENABLE", "Switch", "CH2_DRE_EN"}, {"DRE_ENABLE", "Switch", "CH3_DRE_EN"}, -- 2.25.0