diff options
| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2017-06-06 17:47:18 +0300 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2017-06-09 18:45:48 +0200 |
| commit | 4a59d433c98bcd9e1032009abbd43415405cd763 (patch) | |
| tree | 8360058c578beb86be092693854f9f904737ec01 /drivers/bluetooth | |
| parent | fda7057f4b5356d40d321f339f4ac6b3f94076ec (diff) | |
| download | lwn-4a59d433c98bcd9e1032009abbd43415405cd763.tar.gz lwn-4a59d433c98bcd9e1032009abbd43415405cd763.zip | |
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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/hci_intel.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/bluetooth/hci_intel.c b/drivers/bluetooth/hci_intel.c index fa5099986f1b..851bee82df2a 100644 --- a/drivers/bluetooth/hci_intel.c +++ b/drivers/bluetooth/hci_intel.c @@ -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"); |