ACPI: fix battery on HP NX6125

EC problem was cause of both battery and AC issues.
http://bugzilla.kernel.org/show_bug.cgi?id=6455

Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 874f912962c..8c5d7df7d34 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -213,7 +213,7 @@ static int acpi_ec_intr_wait(union acpi_ec *ec, unsigned int event)
 
         switch (event) {
         case ACPI_EC_EVENT_IBE:
-                if (~acpi_ec_read_status(ec) & event) {
+                if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) {
                         ec->intr.expect_event = 0;
                         return 0;
                 }
@@ -782,12 +782,15 @@ static u32 acpi_ec_gpe_intr_handler(void *data)
         case ACPI_EC_EVENT_OBF:
                 if (!(value & ACPI_EC_FLAG_OBF))
                         break;
+                ec->intr.expect_event = 0;
+                wake_up(&ec->intr.wait);
+                break;
         case ACPI_EC_EVENT_IBE:
                 if ((value & ACPI_EC_FLAG_IBF))
                         break;
                 ec->intr.expect_event = 0;
                 wake_up(&ec->intr.wait);
-                return ACPI_INTERRUPT_HANDLED;
+                break;
         default:
                 break;
         }