From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752100AbeBIOX2 (ORCPT ); Fri, 9 Feb 2018 09:23:28 -0500 Received: from mail-wr0-f195.google.com ([209.85.128.195]:35507 "EHLO mail-wr0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751047AbeBIOXZ (ORCPT ); Fri, 9 Feb 2018 09:23:25 -0500 X-Google-Smtp-Source: AH8x227d+N72ZXIqthEFpbTnFo6sSdhvM/bArcubLceYV7e0CcZoKMkSEsGwYnAontUIfDugOlkX5A== From: Carlo Caione To: linux@endlessm.com, bardliao@realtek.com, oder_chiou@realtek.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, andy.shevchenko@gmail.com Cc: Carlo Caione Subject: [PATCH v2] ASoC: rt5645: Introduce mapping for ACPI-defined GPIO Date: Fri, 9 Feb 2018 14:23:18 +0000 Message-Id: <20180209142318.14451-1-carlo@caione.org> X-Mailer: git-send-email 2.14.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Carlo Caione On at least one notebook (ECS EF20EA) the 'hp-detect' GPIO is defined in the DSDT table by the ACPI GpioIo resources in _CRS. Add this mapping to the rt5645 driver to enable the jack detection also on non-DT platforms. Method (_CRS, 0, NotSerialized) { Name (SBUF, ResourceTemplate () { I2cSerialBusV2 (0x001A, ControllerInitiated, 0x00061A80, AddressingMode7Bit, "\\_SB.PCI0.I2C2", 0x00, ResourceConsumer, , Exclusive, ) GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 0x0000, "\\_SB.GPO3", 0x00, ResourceConsumer, , ) { // Pin list 0x004F } GpioIo (Shared, PullDefault, 0x0000, 0x0000, IoRestrictionInputOnly, "\\_SB.GPO3", 0x00, ResourceConsumer, , ) { // Pin list 0x004F } }) Return (SBUF) /* \_SB_.PCI0.I2C2.RTK2._CRS.SBUF */ } Reviewed-by: Andy Shevchenko Signed-off-by: Carlo Caione --- Changelog: v2: - s/ACPI_HANDLE/has_acpi_companion/ --- sound/soc/codecs/rt5645.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 8f140c8b93ac..8e3d1e4ddb63 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -3764,6 +3764,13 @@ static int rt5645_parse_dt(struct rt5645_priv *rt5645, struct device *dev) return 0; } +static const struct acpi_gpio_params hp_detect_gpios = { 1, 0, false }; + +static const struct acpi_gpio_mapping cht_rt5645_gpios[] = { + { "hp-detect-gpios", &hp_detect_gpios, 1 }, + {}, +}; + static int rt5645_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -3779,6 +3786,10 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, if (rt5645 == NULL) return -ENOMEM; + if (has_acpi_companion(&i2c->dev)) + if (devm_acpi_dev_add_driver_gpios(&i2c->dev, cht_rt5645_gpios)) + dev_dbg(&i2c->dev, "Failed to add driver gpios\n"); + rt5645->i2c = i2c; i2c_set_clientdata(i2c, rt5645); -- 2.14.1