OMAP: PM: Added suspend target state control to debugfs for OMAP3

Target state can be read / programmed via files under:
  [debugfs]/pm_debug/[pwrdm]/suspend

Signed-off-by: Tero Kristo <tero.kristo@nokia.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 24 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 331dfca93ed5..26f2aca9abe8 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -664,6 +664,30 @@ static void __init prcm_setup_regs(void)
         omap3_d2d_idle();
 }
 
+int omap3_pm_get_suspend_state(struct powerdomain *pwrdm)
+{
+        struct power_state *pwrst;
+
+        list_for_each_entry(pwrst, &pwrst_list, node) {
+                if (pwrst->pwrdm == pwrdm)
+                        return pwrst->next_state;
+        }
+        return -EINVAL;
+}
+
+int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state)
+{
+        struct power_state *pwrst;
+
+        list_for_each_entry(pwrst, &pwrst_list, node) {
+                if (pwrst->pwrdm == pwrdm) {
+                        pwrst->next_state = state;
+                        return 0;
+                }
+        }
+        return -EINVAL;
+}
+
 static int __init pwrdms_setup(struct powerdomain *pwrdm, void *unused)
 {
         struct power_state *pwrst;