From patchwork Thu Jan 6 11:01:26 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 12705318 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0CF1AC433F5 for ; Thu, 6 Jan 2022 11:04:07 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 54AA418A9; Thu, 6 Jan 2022 12:03:15 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 54AA418A9 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1641467045; bh=ZNEyyvBuyzO593IUvbIXmqLPbL8ekFsJMJ+TwDf0bws=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=grEadvx4qedpO7U5y6fry0t95qxJkj72Ld20D1ciWXrCH6IVpMRz7qyvdocXf8kpG ExgfDMZ8eMFC5YMN4dbFIHoV4WwTtX9fxNA2QIb4C0AQAs1/vAEsGcpEeAg3wEY9Y/ oYI+Y8YtI7XKH+WjvytfJ3OG2pA6Wg0WYolnwws4= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 086F0F80517; Thu, 6 Jan 2022 12:01:52 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id A2E84F804FE; Thu, 6 Jan 2022 12:01:49 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 75594F8019D for ; Thu, 6 Jan 2022 12:01:46 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 75594F8019D Authentication-Results: alsa1.perex.cz; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iZCPO9cl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1641466905; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=nld+KLMNEF6aXZ0nwEYKhirK7j+HHGUB0ZghppeBscw=; b=iZCPO9cliiS2jo0m2o8NTjJ+Vl95XhWg1QM6e8Mdnt4+83bzXyqxQbU2pstP6m/DSqIJ5x SGFAcQjT2CfcoP+4oD4AIUNpMuV906l3CgT3BC8GNXWi/RYxAeQvb7quyz8jOcjhJz7Mfs 2E/LZYZsPCnWuI97+db223bID2+3RbE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-110-KCSAqL5NNWivC9dD29dXow-1; Thu, 06 Jan 2022 06:01:42 -0500 X-MC-Unique: KCSAqL5NNWivC9dD29dXow-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id D52FB8042E1; Thu, 6 Jan 2022 11:01:40 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.137]) by smtp.corp.redhat.com (Postfix) with ESMTP id 03D187E125; Thu, 6 Jan 2022 11:01:38 +0000 (UTC) From: Hans de Goede To: Cezary Rojewski , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Mark Brown Subject: [PATCH v2 4/6] ASoC: rt5640: Add support for boards with an external jack-detect GPIO Date: Thu, 6 Jan 2022 12:01:26 +0100 Message-Id: <20220106110128.66049-5-hdegoede@redhat.com> In-Reply-To: <20220106110128.66049-1-hdegoede@redhat.com> References: <20220106110128.66049-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hdegoede@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Cc: Hans de Goede , alsa-devel@alsa-project.org, Stephan Gerhold , Bard Liao X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" Some boards have the codec IRQ hooked-up as normally, so the driver can still do things like headset vs headphones and button-press detection, but instead of using one of the JD pins of the codec, an external GPIO is used to report the jack-presence switch status of the jack. Add support for this. Signed-off-by: Hans de Goede --- sound/soc/codecs/rt5640.c | 45 +++++++++++++++++++++++++++++++++++---- sound/soc/codecs/rt5640.h | 5 +++++ 2 files changed, 46 insertions(+), 4 deletions(-) diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index fabc6e44b4a6..e7a82565b905 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -2160,7 +2160,11 @@ static bool rt5640_jack_inserted(struct snd_soc_component *component) struct rt5640_priv *rt5640 = snd_soc_component_get_drvdata(component); int val; - val = snd_soc_component_read(component, RT5640_INT_IRQ_ST); + if (rt5640->jd_gpio) + val = gpiod_get_value(rt5640->jd_gpio) ? RT5640_JD_STATUS : 0; + else + val = snd_soc_component_read(component, RT5640_INT_IRQ_ST); + dev_dbg(component->dev, "irq status %#04x\n", val); if (rt5640->jd_inverted) @@ -2395,6 +2399,16 @@ static irqreturn_t rt5640_irq(int irq, void *data) return IRQ_HANDLED; } +static irqreturn_t rt5640_jd_gpio_irq(int irq, void *data) +{ + struct rt5640_priv *rt5640 = data; + + queue_delayed_work(system_long_wq, &rt5640->jack_work, + msecs_to_jiffies(JACK_SETTLE_TIME)); + + return IRQ_HANDLED; +} + static void rt5640_cancel_work(void *data) { struct rt5640_priv *rt5640 = data; @@ -2439,7 +2453,12 @@ static void rt5640_disable_jack_detect(struct snd_soc_component *component) if (!rt5640->jack) return; - free_irq(rt5640->irq, rt5640); + if (rt5640->jd_gpio_irq_requested) + free_irq(rt5640->jd_gpio_irq, rt5640); + + if (rt5640->irq_requested) + free_irq(rt5640->irq, rt5640); + rt5640_cancel_work(rt5640); if (rt5640->jack->status & SND_JACK_MICROPHONE) { @@ -2448,6 +2467,9 @@ static void rt5640_disable_jack_detect(struct snd_soc_component *component) snd_soc_jack_report(rt5640->jack, 0, SND_JACK_BTN_0); } + rt5640->jd_gpio_irq_requested = false; + rt5640->irq_requested = false; + rt5640->jd_gpio = NULL; rt5640->jack = NULL; } @@ -2500,16 +2522,31 @@ static void rt5640_enable_jack_detect(struct snd_soc_component *component, if (jack_data && jack_data->codec_irq_override) rt5640->irq = jack_data->codec_irq_override; + if (jack_data && jack_data->jd_gpio) { + rt5640->jd_gpio = jack_data->jd_gpio; + rt5640->jd_gpio_irq = gpiod_to_irq(rt5640->jd_gpio); + + ret = request_irq(rt5640->jd_gpio_irq, rt5640_jd_gpio_irq, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, + "rt5640-jd-gpio", rt5640); + if (ret) { + dev_warn(component->dev, "Failed to request jd GPIO IRQ %d: %d\n", + rt5640->jd_gpio_irq, ret); + rt5640_disable_jack_detect(component); + return; + } + rt5640->jd_gpio_irq_requested = true; + } + ret = request_irq(rt5640->irq, rt5640_irq, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "rt5640", rt5640); if (ret) { dev_warn(component->dev, "Failed to reguest IRQ %d: %d\n", rt5640->irq, ret); - rt5640->irq = -ENXIO; - /* Undo above settings */ rt5640_disable_jack_detect(component); return; } + rt5640->irq_requested = true; /* sync initial jack state */ queue_delayed_work(system_long_wq, &rt5640->jack_work, 0); diff --git a/sound/soc/codecs/rt5640.h b/sound/soc/codecs/rt5640.h index 2f4da5a8ecb2..9e49b9a0ccaa 100644 --- a/sound/soc/codecs/rt5640.h +++ b/sound/soc/codecs/rt5640.h @@ -2124,6 +2124,7 @@ struct rt5640_priv { int ldo1_en; /* GPIO for LDO1_EN */ int irq; + int jd_gpio_irq; int sysclk; int sysclk_src; int lrck[RT5640_AIFS]; @@ -2136,6 +2137,8 @@ struct rt5640_priv { bool hp_mute; bool asrc_en; + bool irq_requested; + bool jd_gpio_irq_requested; /* Jack and button detect data */ bool ovcd_irq_enabled; @@ -2147,6 +2150,7 @@ struct rt5640_priv { struct delayed_work bp_work; struct delayed_work jack_work; struct snd_soc_jack *jack; + struct gpio_desc *jd_gpio; unsigned int jd_src; bool jd_inverted; unsigned int ovcd_th; @@ -2155,6 +2159,7 @@ struct rt5640_priv { struct rt5640_set_jack_data { int codec_irq_override; + struct gpio_desc *jd_gpio; }; int rt5640_dmic_enable(struct snd_soc_component *component,