1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 609d38779b26..3f870972247c 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -449,6 +449,7 @@ static struct attribute_group pcc_attr_group = {
 
 /* hotkey input device driver */
 
+static int sleep_keydown_seen;
 static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
 {
         struct input_dev *hotk_input_dev = pcc->input_dev;
@@ -462,6 +463,16 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc)
                                  "error getting hotkey status\n"));
                 return;
         }
+
+        /* hack: some firmware sends no key down for sleep / hibernate */
+        if ((result & 0xf) == 0x7 || (result & 0xf) == 0xa) {
+                if (result & 0x80)
+                        sleep_keydown_seen = 1;
+                if (!sleep_keydown_seen)
+                        sparse_keymap_report_event(hotk_input_dev,
+                                        result & 0xf, 0x80, false);
+        }
+
         if (!sparse_keymap_report_event(hotk_input_dev,
                                         result & 0xf, result & 0x80, false))
                 ACPI_DEBUG_PRINT((ACPI_DB_ERROR,