diff options
| author | Nitin Joshi <nitjoshi@gmail.com> | 2026-01-07 02:45:19 +0900 |
|---|---|---|
| committer | Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> | 2026-01-15 11:10:31 +0200 |
| commit | a85503d541eafce9b4d73d509c1e341401a86d85 (patch) | |
| tree | 1b1db357073f9237cf08b03b5362f27a5d124ff4 /Documentation/admin-guide | |
| parent | 28c43bddd0fa8999533feba8be9dc0583eaed281 (diff) | |
platform/x86: thinkpad_acpi: Add sysfs to display details of damaged device.
Add new sysfs interface to identify the impacted component with location of
device.
Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca>
Signed-off-by: Nitin Joshi <nitjoshi@gmail.com>
Link: https://patch.msgid.link/20260106174519.6402-2-nitjoshi@gmail.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/laptops/thinkpad-acpi.rst | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/Documentation/admin-guide/laptops/thinkpad-acpi.rst b/Documentation/admin-guide/laptops/thinkpad-acpi.rst index 2f910ff31b37..03951ed6b628 100644 --- a/Documentation/admin-guide/laptops/thinkpad-acpi.rst +++ b/Documentation/admin-guide/laptops/thinkpad-acpi.rst @@ -1580,7 +1580,7 @@ Documentation/ABI/testing/sysfs-class-power. Hardware damage detection capability ------------------------------------ -sysfs attributes: hwdd_status +sysfs attributes: hwdd_status, hwdd_detail Thinkpads are adding the ability to detect and report hardware damage. Add new sysfs interface to identify the damaged device status. @@ -1595,6 +1595,21 @@ This value displays status of device damaged. - 0 = Not Damaged - 1 = Damaged +The command to check location of damaged device is:: + + cat /sys/devices/platform/thinkpad_acpi/hwdd_detail + +This value displays location of damaged device having 1 line per damaged "item". +For example: + +if no damage is detected: + +- No damage detected + +if damage detected: + +- TYPE-C: Base, Right side, Center port + The property is read-only. If feature is not supported then sysfs attribute is not created. |