Commit 4a59d433 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Marcel Holtmann
Browse files

Bluetooth: hci_intel: Add GPIO ACPI mapping table 



In order to make GPIO ACPI library stricter prepare users of
gpiod_get_index() to correctly behave when there no mapping is
provided by firmware.

Here we add explicit mapping between _CRS GpioIo() resources and
their names used in the driver.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent fda7057f

drivers/bluetooth/hci_intel.c

+14 −0
Original line number Diff line number Diff line
@@ -1205,9 +1205,19 @@ static const struct dev_pm_ops intel_pm_ops = { 
	SET_RUNTIME_PM_OPS(intel_suspend_device, intel_resume_device, NULL)

};



static const struct acpi_gpio_params reset_gpios = { 0, 0, false };

static const struct acpi_gpio_params host_wake_gpios = { 1, 0, false };



static const struct acpi_gpio_mapping acpi_hci_intel_gpios[] = {

	{ "reset-gpios", &reset_gpios, 1 },

	{ "host-wake-gpios", &host_wake_gpios, 1 },

	{ },

};



static int intel_probe(struct platform_device *pdev)

{

	struct intel_device *idev;

	int ret;



	idev = devm_kzalloc(&pdev->dev, sizeof(*idev), GFP_KERNEL);

	if (!idev)
@@ -1217,6 +1227,10 @@ static int intel_probe(struct platform_device *pdev) 


	idev->pdev = pdev;



	ret = devm_acpi_dev_add_driver_gpios(&pdev->dev, acpi_hci_intel_gpios);

	if (ret)

		dev_dbg(&pdev->dev, "Unable to add GPIO mapping table\n");



	idev->reset = devm_gpiod_get(&pdev->dev, "reset", GPIOD_OUT_LOW);

	if (IS_ERR(idev->reset)) {

		dev_err(&pdev->dev, "Unable to retrieve gpio\n");

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