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diff --git a/include/linux/regulator/db8500-prcmu.h b/include/linux/regulator/db8500-prcmu.h
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+/*
+ * Copyright (C) ST-Ericsson SA 2010
+ *
+ * License Terms: GNU General Public License v2
+ *
+ * Author: Bengt Jonsson <bengt.g.jonsson@stericsson.com> for ST-Ericsson
+ *
+ * Interface to power domain regulators on DB8500
+ */
+
+#ifndef __REGULATOR_H__
+#define __REGULATOR_H__
+
+/* Number of DB8500 regulators and regulator enumeration */
+enum db8500_regulator_id {
+ DB8500_REGULATOR_VAPE,
+ DB8500_REGULATOR_VARM,
+ DB8500_REGULATOR_VMODEM,
+ DB8500_REGULATOR_VPLL,
+ DB8500_REGULATOR_VSMPS1,
+ DB8500_REGULATOR_VSMPS2,
+ DB8500_REGULATOR_VSMPS3,
+ DB8500_REGULATOR_VRF1,
+ DB8500_REGULATOR_SWITCH_SVAMMDSP,
+ DB8500_REGULATOR_SWITCH_SVAMMDSPRET,
+ DB8500_REGULATOR_SWITCH_SVAPIPE,
+ DB8500_REGULATOR_SWITCH_SIAMMDSP,
+ DB8500_REGULATOR_SWITCH_SIAMMDSPRET,
+ DB8500_REGULATOR_SWITCH_SIAPIPE,
+ DB8500_REGULATOR_SWITCH_SGA,
+ DB8500_REGULATOR_SWITCH_B2R2_MCDE,
+ DB8500_REGULATOR_SWITCH_ESRAM12,
+ DB8500_REGULATOR_SWITCH_ESRAM12RET,
+ DB8500_REGULATOR_SWITCH_ESRAM34,
+ DB8500_REGULATOR_SWITCH_ESRAM34RET,
+ DB8500_NUM_REGULATORS
+};
+
+/*
+ * Exported interface for CPUIdle only. This function is called with all
+ * interrupts turned off.
+ */
+int power_state_active_is_enabled(void);
+
+#endif
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