diff mbox

[V3,10/19] OMAP3+: SR: enable/disable SR only on need

Message ID 1299338962-5602-11-git-send-email-nm@ti.com (mailing list archive)
State New, archived
Delegated to: Kevin Hilman
Headers show

Commit Message

Nishanth Menon March 5, 2011, 3:29 p.m. UTC
None
diff mbox

Patch

diff --git a/arch/arm/mach-omap2/smartreflex.c b/arch/arm/mach-omap2/smartreflex.c
index f9057ad..2b6fdc7 100644
--- a/arch/arm/mach-omap2/smartreflex.c
+++ b/arch/arm/mach-omap2/smartreflex.c
@@ -806,10 +806,13 @@  static int omap_sr_autocomp_store(void *data, u64 val)
 		return -EINVAL;
 	}
 
-	if (!val)
-		sr_stop_vddautocomp(sr_info);
-	else
-		sr_start_vddautocomp(sr_info);
+	/* control enable/disable only if there is a delta in value */
+	if (sr_info->autocomp_active != val) {
+		if (!val)
+			sr_stop_vddautocomp(sr_info);
+		else
+			sr_start_vddautocomp(sr_info);
+	}
 
 	return 0;
 }