From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762242AbcLSNwO (ORCPT ); Mon, 19 Dec 2016 08:52:14 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:47774 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757804AbcLSNwN (ORCPT ); Mon, 19 Dec 2016 08:52:13 -0500 From: Shrirang Bagul To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org, Bard Liao , Oder Chiou , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Subject: [PATCH 1/2] ASoC: rt5660: Add ACPI support Date: Mon, 19 Dec 2016 21:51:46 +0800 Message-Id: <20161219135147.24208-2-shrirang.bagul@canonical.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20161219135147.24208-1-shrirang.bagul@canonical.com> References: <20161219135147.24208-1-shrirang.bagul@canonical.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Dell IoT Gateways, RT5660 codec is available with ACPI ID 10EC3277. Also, GPIO's are only available by index, so we register mappings to allow machine drivers to access them by name. Signed-off-by: Shrirang Bagul --- sound/soc/codecs/rt5660.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/sound/soc/codecs/rt5660.c b/sound/soc/codecs/rt5660.c index 76cf76a..c8bdeb3 100644 --- a/sound/soc/codecs/rt5660.c +++ b/sound/soc/codecs/rt5660.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. */ +#include #include #include #include @@ -1245,10 +1246,31 @@ MODULE_DEVICE_TABLE(of, rt5660_of_match); static const struct acpi_device_id rt5660_acpi_match[] = { { "10EC5660", 0 }, + { "10EC3277", 0 }, { }, }; MODULE_DEVICE_TABLE(acpi, rt5660_acpi_match); +static const struct acpi_gpio_params audio_wake_intr_gpio = { 0, 0, false }; +static const struct acpi_gpio_params lineout_mute_gpio = { 1, 0, true }; + +static const struct acpi_gpio_mapping byt_rt5660_gpios[] = { + { "audio-wake-intr-gpios", &audio_wake_intr_gpio, 1 }, + { "lineout-mute-gpios", &lineout_mute_gpio, 1 }, + { NULL }, +}; + +static void rt5660_read_acpi_properties(struct rt5660_priv *rt5660, + struct device *dev) +{ + int ret; + + ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev), + byt_rt5660_gpios); + if (ret) + dev_warn(dev, "Failed to add driver gpios\n"); +} + static int rt5660_parse_dt(struct rt5660_priv *rt5660, struct device *dev) { rt5660->pdata.in1_diff = device_property_read_bool(dev, @@ -1288,6 +1310,10 @@ static int rt5660_i2c_probe(struct i2c_client *i2c, rt5660->pdata = *pdata; else if (i2c->dev.of_node) rt5660_parse_dt(rt5660, &i2c->dev); + else if (ACPI_HANDLE(&i2c->dev)) + rt5660_read_acpi_properties(rt5660, &i2c->dev); + else + return -EINVAL; rt5660->regmap = devm_regmap_init_i2c(i2c, &rt5660_regmap); if (IS_ERR(rt5660->regmap)) { -- 2.9.3