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[34.209.191.27]) by smtp.googlemail.com with ESMTPSA id b2sm5006394pfo.164.2021.01.07.01.06.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Jan 2021 01:06:41 -0800 (PST) From: Chris Chiu To: oder_chiou@realtek.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, linux@endlessos.org, Chris Chiu Subject: [PATCH 1/4] ASoC: rt5645: Introduce mapping for ACPI-defined GPIO Date: Thu, 7 Jan 2021 17:06:22 +0800 Message-Id: <20210107090625.107078-2-chiu@endlessos.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210107090625.107078-1-chiu@endlessos.org> References: <20210107090625.107078-1-chiu@endlessos.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On at least one laptop (ECS EF20EA) the 'hp-detect' GPIO is defined in the DSDT table by the ACPI GpioIo resources in _CRS. The GPIO related information should be mapped to the rt5645 driver to enable the jack detection also on non-DT platforms. Signed-off-by: Chris Chiu --- sound/soc/codecs/rt5645.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index 420003d062c7..78f0ab0a008e 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -42,6 +42,8 @@ static unsigned int quirk = -1; module_param(quirk, uint, 0444); MODULE_PARM_DESC(quirk, "RT5645 pdata quirk override"); +static const struct acpi_gpio_mapping *cht_rt5645_gpios; + #define RT5645_DEVICE_ID 0x6308 #define RT5650_DEVICE_ID 0x6419 @@ -3780,7 +3782,6 @@ static const struct dmi_system_id dmi_platform_data[] = { }, .driver_data = (void *)&intel_braswell_platform_data, }, - { } }; static bool rt5645_check_dp(struct device *dev) @@ -3848,6 +3849,10 @@ static int rt5645_i2c_probe(struct i2c_client *i2c, rt5645->pdata.dmic2_data_pin = QUIRK_DMIC2_DATA_PIN(quirk); } + if (cht_rt5645_gpios && 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->gpiod_hp_det = devm_gpiod_get_optional(&i2c->dev, "hp-detect", GPIOD_IN); -- 2.20.1