Simplify powermgmt thread loops so it calls functions turn (no more power_thread_sleep). Do other target-friendly simplifications, generic battery switch handling and split sim-specific code. Whoever can, please verify charging on the Archos Recorder (due to change in the charger duty cycle code).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19579 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/s3c2440/gigabeat-fx/powermgmt-meg-fx.c

@@ -19,9 +19,10 @@
  * KIND, either express or implied.
  *
  ****************************************************************************/
-
 #include "config.h"
+#include "system.h"
 #include "adc.h"
+#include "power.h"
 #include "powermgmt.h"
 
 const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
@@ -58,3 +59,17 @@ unsigned int battery_adc_voltage(void)
     return (adc_read(ADC_UNREG_POWER) * BATTERY_SCALE_FACTOR) >> 10;
 }
 
+unsigned int input_millivolts(void)
+{
+
+    unsigned int batt_millivolts = battery_voltage();
+
+    if ((power_thread_inputs & POWER_INPUT_BATTERY) == 0) {
+        /* Just return a safe value if battery isn't connected */
+        return 4050;
+    }
+
+    return batt_millivolts;
+}
+
+