iBasso DX50/DX90: User selectable freq scaling governor.

Depends on http://gerrit.rockbox.org/r/#/c/1043/.

This patch adds a new setting in Settings -> General
-> System: Freq Scaling Governor

Usable in Quickscreen and Shortcuts.

Possible settings are:
- Conservative: Slow frequency switching.
- Ondemand or Interactive: Fast frequency switching.
- Powersave: Allways lowest frequency.
- Performance: Allways highest frequency.

German translation provided.

This may be genric for Android kernel based devices but is only enabled
for iBasso Devices. Other maintainers may choose do adopt this.

Change-Id: I10296f5be9586ad3a409105db0cd03682a30e9c1

1 files changed, 9 insertions, 0 deletions

diff --git a/apps/settings.c b/apps/settings.c
index f144a4a..be7b7c3 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -105,6 +105,11 @@ struct system_status global_status;
 #include "lcd-remote.h"
 #endif
 
+#if defined(DX50) || defined(DX90)
+#include "governor-ibasso.h"
+#endif
+
+
 long lasttime = 0;
 
 /** NVRAM stuff, if the target doesnt have NVRAM it is saved in ROCKBOX_DIR /nvram.bin **/
@@ -1081,6 +1086,10 @@ void settings_apply(bool read_disk)
     memcpy(&calibration_parameters, &global_settings.ts_calibration_data, sizeof(struct touchscreen_parameter));
 #endif
 
+#if defined(DX50) || defined(DX90)
+    ibasso_set_governor(global_settings.governor);
+#endif
+
     /* This should stay last */
 #if defined(HAVE_RECORDING) && CONFIG_CODEC == SWCODEC
     enc_global_settings_apply();