From patchwork Fri Aug 31 18:05:07 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Davis X-Patchwork-Id: 964632 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=ti.com header.i=@ti.com header.b="vlprVNEo"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4226j0159vz9s1c for ; Sat, 1 Sep 2018 04:05:24 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727234AbeHaWOA (ORCPT ); Fri, 31 Aug 2018 18:14:00 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:58952 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726915AbeHaWOA (ORCPT ); Fri, 31 Aug 2018 18:14:00 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id w7VI59xO069995; Fri, 31 Aug 2018 13:05:09 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1535738709; bh=XR/5xHMdo+WwuxOC3a1Coo6ISHSUvY+0FVyrxOcUnY4=; h=From:To:CC:Subject:Date; b=vlprVNEoZm88O/LOES4gg0JEUWxutzDWC+/Dr0AZbduk2N0J4vtKTxEoBwTiA+EHF Cen0orMr6Y4dtBHAmHjfbqdKAA6QXrIxjSrbVaamAXk3Inkv5QCu+6gu06GwacuS+z rfBoXi8oz7fXpNGZxhdS0qJlrDb41qZjQE43SDq0= Received: from DFLE108.ent.ti.com (dfle108.ent.ti.com [10.64.6.29]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VI59Hg029257; Fri, 31 Aug 2018 13:05:09 -0500 Received: from DFLE112.ent.ti.com (10.64.6.33) by DFLE108.ent.ti.com (10.64.6.29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1466.3; Fri, 31 Aug 2018 13:05:08 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1466.3 via Frontend Transport; Fri, 31 Aug 2018 13:05:08 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id w7VI58oZ031105; Fri, 31 Aug 2018 13:05:08 -0500 Received: from localhost (uda0226330.dhcp.ti.com [172.22.167.21]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id w7VI57x02102; Fri, 31 Aug 2018 13:05:07 -0500 (CDT) From: "Andrew F. Davis" To: Liam Girdwood , Mark Brown , Rob Herring , Mark Rutland CC: , , , "Andrew F . Davis" Subject: [PATCH] ASoC: tlv320aic31xx: Add MICBIAS off setting Date: Fri, 31 Aug 2018 13:05:07 -0500 Message-ID: <20180831180507.28867-1-afd@ti.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Leaving microphone bias off is a valid setting and even used in the DT binding document example. Add this setting here and document the same. Although it may not make much sense to enable a microphone here without any bias, it is a valid setting that can be chosen by DT and may be needed for some boards. Signed-off-by: Andrew F. Davis Acked-by: Rob Herring --- Documentation/devicetree/bindings/sound/tlv320aic31xx.txt | 1 + include/dt-bindings/sound/tlv320aic31xx-micbias.h | 1 + sound/soc/codecs/tlv320aic31xx.c | 1 + 3 files changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt index 5b3c33bb99e5..411cc46a2c58 100644 --- a/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt +++ b/Documentation/devicetree/bindings/sound/tlv320aic31xx.txt @@ -24,6 +24,7 @@ Optional properties: - reset-gpios - GPIO specification for the active low RESET input. - ai31xx-micbias-vg - MicBias Voltage setting + 0 or MICBIAS_OFF - MICBIAS output is powered off 1 or MICBIAS_2_0V - MICBIAS output is powered to 2.0V 2 or MICBIAS_2_5V - MICBIAS output is powered to 2.5V 3 or MICBIAS_AVDD - MICBIAS output is connected to AVDD diff --git a/include/dt-bindings/sound/tlv320aic31xx-micbias.h b/include/dt-bindings/sound/tlv320aic31xx-micbias.h index c6895a18a455..069484070fcf 100644 --- a/include/dt-bindings/sound/tlv320aic31xx-micbias.h +++ b/include/dt-bindings/sound/tlv320aic31xx-micbias.h @@ -2,6 +2,7 @@ #ifndef __DT_TLV320AIC31XX_MICBIAS_H #define __DT_TLV320AIC31XX_MICBIAS_H +#define MICBIAS_OFF 0 #define MICBIAS_2_0V 1 #define MICBIAS_2_5V 2 #define MICBIAS_AVDDV 3 diff --git a/sound/soc/codecs/tlv320aic31xx.c b/sound/soc/codecs/tlv320aic31xx.c index bf92d36b8f8a..7d87df518fed 100644 --- a/sound/soc/codecs/tlv320aic31xx.c +++ b/sound/soc/codecs/tlv320aic31xx.c @@ -1421,6 +1421,7 @@ static int aic31xx_i2c_probe(struct i2c_client *i2c, fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg", &micbias_value); switch (micbias_value) { + case MICBIAS_OFF: case MICBIAS_2_0V: case MICBIAS_2_5V: case MICBIAS_AVDDV: