diff options
| -rw-r--r-- | drivers/gpio/gpiolib-acpi.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 1f98e988c0d3..09308c08de93 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -1338,12 +1338,14 @@ static const struct dmi_system_id gpiolib_acpi_quirks[] = { }, { /* - * Various HP X2 10 Cherry Trail models use an external - * embedded-controller connected via I2C + an ACPI GPIO - * event handler. The embedded controller generates various - * spurious wakeup events when suspended. So disable wakeup - * for its handler (it uses the only ACPI GPIO event handler). - * This breaks wakeup when opening the lid, the user needs + * HP X2 10 models with Cherry Trail SoC + TI PMIC use an + * external embedded-controller connected via I2C + an ACPI GPIO + * event handler on INT33FF:01 pin 0, causing spurious wakeups. + * When suspending by closing the LID, the power to the USB + * keyboard is turned off, causing INT0002 ACPI events to + * trigger once the XHCI controller notices the keyboard is + * gone. So INT0002 events cause spurious wakeups too. Ignoring + * EC wakes breaks wakeup when opening the lid, the user needs * to press the power-button to wakeup the system. The * alternative is suspend simply not working, which is worse. */ |