Source of utils.c - linux-imx - PHYTEC BitBucket (Stash)

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bool acpi_dev_present(const char *hid, const char *uid, s64 hrv)
{
    struct acpi_dev_match_info match = {};
    struct device *dev;
​
    strlcpy(match.hid[0].id, hid, sizeof(match.hid[0].id));
    match.uid = uid;
    match.hrv = hrv;
​
    dev = bus_find_device(&acpi_bus_type, NULL, &match, acpi_dev_match_cb);
    put_device(dev);
    return !!dev;
}
EXPORT_SYMBOL(acpi_dev_present);
​
/**
 * acpi_dev_get_first_match_name - Return name of first match of ACPI device
 * @hid: Hardware ID of the device.
 * @uid: Unique ID of the device, pass NULL to not check _UID
 * @hrv: Hardware Revision of the device, pass -1 to not check _HRV
 *