From patchwork Sat Feb 12 12:24:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12744264 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 847EDC433F5 for ; Sat, 12 Feb 2022 12:25:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234937AbiBLMZD (ORCPT ); Sat, 12 Feb 2022 07:25:03 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43256 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229830AbiBLMZC (ORCPT ); Sat, 12 Feb 2022 07:25:02 -0500 Received: from alexa-out-sd-02.qualcomm.com (alexa-out-sd-02.qualcomm.com [199.106.114.39]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A408F24BE5; Sat, 12 Feb 2022 04:24:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1644668699; x=1676204699; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=TEMYFhk0n4HsdRun8CXSQrSB6m779nzdiTPZlRDB+Wo=; b=O0LhFV/AaChJia2RE+/lriTBELZjJm+URj0QglwvWEWkOVaeHql4XxJM PW7BG7OSAFzimF85VBMrWg5kzU4O7HjLkvU++xB4F5skzZhAtXoZW009M a4JAud1KIMsX7R5Omr8QEIN0pibt4mFP+om6r4IJyuc66RSsdOhJ69Yac o=; Received: from unknown (HELO ironmsg-SD-alpha.qualcomm.com) ([10.53.140.30]) by alexa-out-sd-02.qualcomm.com with ESMTP; 12 Feb 2022 04:24:59 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg-SD-alpha.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Feb 2022 04:24:59 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Sat, 12 Feb 2022 04:24:58 -0800 Received: from hu-srivasam-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Sat, 12 Feb 2022 04:24:52 -0800 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , CC: Srinivasa Rao Mandadapu , "Venkata Prasad Potturu" Subject: [PATCH 1/2] ASoC: codec: wcd938x: Add switch control for selecting CTIA/OMTP Headset Date: Sat, 12 Feb 2022 17:54:31 +0530 Message-ID: <1644668672-29790-2-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1644668672-29790-1-git-send-email-quic_srivasam@quicinc.com> References: <1644668672-29790-1-git-send-email-quic_srivasam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add switch control for selecting CTIA or OMTP Headset by swapping gnd and mic with the help of GPIO. Signed-off-by: Srinivasa Rao Mandadapu Co-developed-by: Venkata Prasad Potturu Signed-off-by: Venkata Prasad Potturu --- sound/soc/codecs/wcd938x.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/sound/soc/codecs/wcd938x.c b/sound/soc/codecs/wcd938x.c index eff200a..08d16a9 100644 --- a/sound/soc/codecs/wcd938x.c +++ b/sound/soc/codecs/wcd938x.c @@ -194,6 +194,7 @@ struct wcd938x_priv { int ear_rx_path; int variant; int reset_gpio; + int us_euro_gpio; u32 micb1_mv; u32 micb2_mv; u32 micb3_mv; @@ -4196,6 +4197,33 @@ static void wcd938x_dt_parse_micbias_info(struct device *dev, struct wcd938x_pri dev_info(dev, "%s: Micbias4 DT property not found\n", __func__); } +static bool wcd938x_swap_gnd_mic(struct snd_soc_component *component, bool active) +{ + int value; + + struct wcd938x_priv *wcd938x; + + if (!component) { + dev_err(component->dev, "%s component is NULL\n", __func__); + return false; + } + + wcd938x = snd_soc_component_get_drvdata(component); + if (!wcd938x) { + dev_err(component->dev, "%s private data is NULL\n", __func__); + return false; + } + + value = gpio_get_value(wcd938x->us_euro_gpio); + + gpio_set_value(wcd938x->us_euro_gpio, !value); + /* 20us sleep required after changing the gpio state*/ + usleep_range(20, 30); + + return true; +} + + static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device *dev) { struct wcd_mbhc_config *cfg = &wcd938x->mbhc_cfg; @@ -4208,6 +4236,16 @@ static int wcd938x_populate_dt_data(struct wcd938x_priv *wcd938x, struct device return wcd938x->reset_gpio; } + wcd938x->us_euro_gpio = of_get_named_gpio(dev->of_node, "us-euro-gpios", 0); + if (wcd938x->us_euro_gpio < 0) { + dev_err(dev, "Failed to get us-euro-gpios gpio: err = %d\n", wcd938x->us_euro_gpio); + } else { + cfg->swap_gnd_mic = wcd938x_swap_gnd_mic; + gpio_direction_output(wcd938x->us_euro_gpio, 0); + /* 20us sleep required after pulling the reset gpio to LOW */ + usleep_range(20, 30); + } + wcd938x->supplies[0].supply = "vdd-rxtx"; wcd938x->supplies[1].supply = "vdd-io"; wcd938x->supplies[2].supply = "vdd-buck"; From patchwork Sat Feb 12 12:24:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivasa Rao Mandadapu X-Patchwork-Id: 12744265 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 597FDC433F5 for ; Sat, 12 Feb 2022 12:25:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229830AbiBLMZJ (ORCPT ); Sat, 12 Feb 2022 07:25:09 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234999AbiBLMZJ (ORCPT ); Sat, 12 Feb 2022 07:25:09 -0500 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED9B926AF9; 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Sat, 12 Feb 2022 04:24:58 -0800 From: Srinivasa Rao Mandadapu To: , , , , , , , , , , , , , , , , CC: Srinivasa Rao Mandadapu , "Venkata Prasad Potturu" Subject: [PATCH 2/2] ASoC: dt-bindings: wcd938x: Add gpio property for selecting CTIA/OMTP headset Date: Sat, 12 Feb 2022 17:54:32 +0530 Message-ID: <1644668672-29790-3-git-send-email-quic_srivasam@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1644668672-29790-1-git-send-email-quic_srivasam@quicinc.com> References: <1644668672-29790-1-git-send-email-quic_srivasam@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Add gpio property used for selecting CTIA/OMTP headset connected to wcd codec. Signed-off-by: Srinivasa Rao Mandadapu Co-developed-by: Venkata Prasad Potturu Signed-off-by: Venkata Prasad Potturu --- Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml index cb74ce4..7bf1a5f 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml @@ -23,6 +23,10 @@ properties: description: GPIO spec for reset line to use maxItems: 1 + us-euro-gpios: + description: GPIO spec for swapping gnd and mic segments + maxItems: 1 + vdd-buck-supply: description: A reference to the 1.8V buck supply