This patch adds very useful debugging information to lid events.
These messages and with ec_log_drv() can be used to demonstrate the order
between acpi_ec_resume() and acpi_button_resume().
Cc: Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>
Cc: Peter Hutterer <peter.hutterer@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
---
drivers/acpi/button.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index a72f5bf..d3f90c6 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -201,12 +201,17 @@ static int acpi_lid_notify_state(struct acpi_device *device,
if (!state) {
input_report_switch(button->input, SW_LID, state);
input_sync(button->input);
+ pr_debug("faked open complement event.\n");
}
}
/* Send the platform triggered reliable event */
input_report_switch(button->input, SW_LID, !state);
input_sync(button->input);
+ if (bios_notify)
+ pr_debug("notified %s event.\n", state ? "open" : "close");
+ else
+ pr_debug("faked %s event.\n", state ? "open" : "close");
button->last_state = !!state;
button->last_time = ktime_get();
button->last_is_bios = bios_notify;
--
2.7.4
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