Acpi Ibm0068 _hot_ Jun 2026

static int ibm_aps_add(struct acpi_device *device) printk(KERN_INFO "IBM0068: Device claimed by custom driver\n"); // Initialize hardware here // Setup input device for accelerometer reporting return 0;

static const struct acpi_device_id ibm_aps_ids[] = "IBM0068", 0 , "", 0 , ; MODULE_DEVICE_TABLE(acpi, ibm_aps_ids); acpi ibm0068

// Open the input device in read-only mode fd = open(EVENT_DEVICE, O_RDONLY); if (fd == -1) fprintf(stderr, "Error: Cannot open %s (%s)\n", EVENT_DEVICE, strerror(errno)); return EXIT_FAILURE; other power methods A yellow exclamation mark in

Method (_BIF, 0, NotSerialized) ... // Battery Information Method (_BST, 0, NotSerialized) ... // Battery Status // ... other power methods if (fd == -1) fprintf(stderr

A yellow exclamation mark in Device Manager under "Other Devices."

Without thinkpad_acpi or a similar driver, the OS might see a generic second battery but fail to handle removal/reinsertion correctly, leading to stale battery percentages or kernel warnings.

The ACPI namespace entry for this device is typically found under \_SB_.PCI0.LPC_.EC__.BAT2 or similar, with a _HID (Hardware ID) value of IBM0068 .