add-in-kernel-suspend-to-both.patch

   1 # Add support for in-kernel (from kernel 3.6) suspend to both (#843657)
   2 diff --git a/pm/pm-functions.in b/pm/pm-functions.in
   3 --- a/pm/pm-functions.in
   4 +++ b/pm/pm-functions.in
   5 @@ -316,8 +316,28 @@ if [ -z "$HIBERNATE_MODULE" ] && \
   6         {
   7                 [ -n "${HIBERNATE_MODE}" ] && \
   8                 grep -qw "${HIBERNATE_MODE}" /sys/power/disk && \
   9 +               HIBERNATE_MODE_SAVE=$(cat /sys/power/disk) && \
  10 +               HIBERNATE_MODE_SAVE="${HIBERNATE_MODE_SAVE##*[}" && \
  11 +               HIBERNATE_MODE_SAVE="${HIBERNATE_MODE_SAVE%%]*}" && \
  12                 echo -n "${HIBERNATE_MODE}" > /sys/power/disk
  13                 echo -n "disk" > /sys/power/state
  14 +               RET=$?
  15 +               echo -n "$HIBERNATE_MODE_SAVE" > /sys/power/disk
  16 +               return "$RET"
  17 +       }
  18 +fi
  19 +
  20 +# for kernels that support suspend to both (i.e. hybrid suspend)
  21 +# since kernel 3.6
  22 +if [ -z "$SUSPEND_HYBRID_MODULE" ] && \
  23 +       [ -f /sys/power/disk ] && \
  24 +       grep -q disk /sys/power/state && \
  25 +       grep -q suspend /sys/power/disk; then
  26 +       SUSPEND_HYBRID_MODULE="kernel"
  27 +       do_suspend_hybrid()
  28 +       {
  29 +               HIBERNATE_MODE="suspend"
  30 +               do_hibernate
  31         }
  32  fi
  33