diff --git a/apps/lang/deutsch.lang b/apps/lang/deutsch.lang
index 55377c2ca1..6d9c025bd2 100644
--- a/apps/lang/deutsch.lang
+++ b/apps/lang/deutsch.lang
@@ -33,6 +33,7 @@
# - Kaspar Rothenfußer
# - Johannes Linke
# - Kai Posadowsky
+# - Udo Schläpfer
id: LANG_SET_BOOL_YES
desc: bool true representation
@@ -13054,3 +13055,23 @@
*: "Beschränke automatischen Verzeichniswechsel"
+
+ id: LANG_IBASSO_FREQ_SCALING_GOVERNOR
+ desc: in Settings -> General -> System -> Freq Scaling Governor
+ user: core
+
+
+ *: none
+ ibassodx50: "Freq Scaling Governor"
+ ibassodx90: "Freq Scaling Governor"
+
+
+ *: none
+ ibassodx50: "Freq Scaling Governor"
+ ibassodx90: "Freq Scaling Governor"
+
+
diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index ca5e687ea8..081e33d32c 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -13373,3 +13373,23 @@
swcodec: "Dry / Wet Mix"
+
+ id: LANG_IBASSO_FREQ_SCALING_GOVERNOR
+ desc: in Settings -> General -> System -> Freq Scaling Governor
+ user: core
+
+
+ *: none
+ ibassodx50: "Freq Scaling Governor"
+ ibassodx90: "Freq Scaling Governor"
+
+
+ *: none
+ ibassodx50: "Freq Scaling Governor"
+ ibassodx90: "Freq Scaling Governor"
+
+
diff --git a/apps/menus/settings_menu.c b/apps/menus/settings_menu.c
index 130f5be1a2..6fcc3e91a9 100644
--- a/apps/menus/settings_menu.c
+++ b/apps/menus/settings_menu.c
@@ -50,6 +50,10 @@
#endif
#include "folder_select.h"
+#if defined(DX50) || defined(DX90)
+#include "governor-ibasso.h"
+#endif
+
/***********************************/
/* TAGCACHE MENU */
#ifdef HAVE_TAGCACHE
@@ -325,6 +329,10 @@ MENUITEM_SETTING(touchpad_deadzone, &global_settings.touchpad_deadzone, NULL);
MENUITEM_SETTING(shortcuts_replaces_quickscreen, &global_settings.shortcuts_replaces_qs, NULL);
#endif
+#if defined(DX50) || defined(DX90)
+MENUITEM_SETTING(governor, &global_settings.governor, NULL);
+#endif
+
MAKE_MENU(system_menu, ID2P(LANG_SYSTEM),
0, Icon_System_menu,
#if (BATTERY_CAPACITY_INC > 0) || (BATTERY_TYPES_COUNT > 1)
@@ -377,6 +385,10 @@ MAKE_MENU(system_menu, ID2P(LANG_SYSTEM),
#if defined(USB_ENABLE_STORAGE) && defined(HAVE_MULTIDRIVE)
&usb_skip_first_drive,
#endif
+
+#if defined(DX50) || defined(DX90)
+ &governor,
+#endif
);
/* SYSTEM MENU */
diff --git a/apps/settings.c b/apps/settings.c
index f144a4af03..be7b7c30e6 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();
diff --git a/apps/settings.h b/apps/settings.h
index 4ea56d273e..5d25dc7ab0 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -850,6 +850,10 @@ struct user_settings
int pbe_precut;
int afr_enabled;
+
+#if defined(DX50) || defined(DX90)
+ int governor;
+#endif
};
/** global variables **/
diff --git a/apps/settings_list.c b/apps/settings_list.c
index abdb512a42..2c3f360cea 100644
--- a/apps/settings_list.c
+++ b/apps/settings_list.c
@@ -62,6 +62,10 @@
#include "onplay.h"
#endif
+#if defined(DX50) || defined(DX90)
+#include "governor-ibasso.h"
+#endif
+
#define NVRAM(bytes) (bytes< ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
+ * Copyright (C) 2014 by Mario Basister: iBasso DX90 port
+ * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
+ * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+
+#include
+
+#include "config.h"
+#include "cpufreq-linux.h"
+#include "debug.h"
+
+#include "debug-ibasso.h"
+#include "governor-ibasso.h"
+#include "sysfs-ibasso.h"
+
+
+/* Default governor at boot. */
+static int _last_governor = GOVERNOR_INTERACTIVE;
+
+
+void ibasso_set_governor(int governor)
+{
+ DEBUGF("DEBUG %s: _last_governor: %d, governor: %d.", __func__, _last_governor, governor);
+
+ if(_last_governor != governor)
+ {
+ switch(governor)
+ {
+ case GOVERNOR_CONSERVATIVE:
+ {
+ _last_governor = governor;
+ cpufreq_set_governor("conservative", CPUFREQ_ALL_CPUS);
+ break;
+ }
+
+ case GOVERNOR_ONDEMAND:
+ {
+ _last_governor = governor;
+ cpufreq_set_governor("ondemand", CPUFREQ_ALL_CPUS);
+ break;
+ }
+
+ case GOVERNOR_POWERSAVE:
+ {
+ _last_governor = governor;
+ cpufreq_set_governor("powersave", CPUFREQ_ALL_CPUS);
+ break;
+ }
+
+ case GOVERNOR_INTERACTIVE:
+ {
+ _last_governor = governor;
+ cpufreq_set_governor("interactive", CPUFREQ_ALL_CPUS);
+ break;
+ }
+
+ case GOVERNOR_PERFORMANCE:
+ {
+ _last_governor = governor;
+ cpufreq_set_governor("performance", CPUFREQ_ALL_CPUS);
+ break;
+ }
+
+ default:
+ {
+ DEBUGF("ERROR %s: Unknown governor: %d.", __func__, governor);
+ break;
+ }
+ }
+ }
+}
diff --git a/firmware/target/hosted/ibasso/governor-ibasso.h b/firmware/target/hosted/ibasso/governor-ibasso.h
new file mode 100644
index 0000000000..34781fde0b
--- /dev/null
+++ b/firmware/target/hosted/ibasso/governor-ibasso.h
@@ -0,0 +1,54 @@
+/***************************************************************************
+ * __________ __ ___
+ * Open \______ \ ____ ____ | | _\_ |__ _______ ___
+ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
+ * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
+ * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
+ * \/ \/ \/ \/ \/
+ *
+ * Copyright (C) 2014 by Ilia Sergachev: Initial Rockbox port to iBasso DX50
+ * Copyright (C) 2014 by Mario Basister: iBasso DX90 port
+ * Copyright (C) 2014 by Simon Rothen: Initial Rockbox repository submission, additional features
+ * Copyright (C) 2014 by Udo Schläpfer: Code clean up, additional features
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+
+#ifndef _GOVERNOR_IBASSO_H_
+#define _GOVERNOR_IBASSO_H_
+
+
+/* Supported freq scaling governors. */
+enum ibasso_governors
+{
+ /* Slow frequency switching. */
+ GOVERNOR_CONSERVATIVE = 0,
+
+ /* Fast frequency switching. */
+ GOVERNOR_ONDEMAND,
+ GOVERNOR_INTERACTIVE,
+
+ /* Allways lowest frequency. */
+ GOVERNOR_POWERSAVE,
+
+ /* Allways highest frequency. */
+ GOVERNOR_PERFORMANCE
+};
+
+
+/*
+ Set the active freq scaling governor.
+ governor: ibasso_governors
+*/
+void ibasso_set_governor(int governor);
+
+
+#endif
diff --git a/firmware/target/hosted/ibasso/system-ibasso.c b/firmware/target/hosted/ibasso/system-ibasso.c
index 00f8669ae0..a107af7a7f 100644
--- a/firmware/target/hosted/ibasso/system-ibasso.c
+++ b/firmware/target/hosted/ibasso/system-ibasso.c
@@ -27,7 +27,6 @@
#include
#include "config.h"
-#include "cpufreq-linux.h"
#include "debug.h"
#include "button-ibasso.h"
@@ -50,8 +49,7 @@ void system_init(void)
volatile uintptr_t stack = 0;
stackbegin = stackend = (uintptr_t*) &stack;
- cpufreq_set_governor("powersave", CPUFREQ_ALL_CPUS);
- vold_monitor_start();
+ vold_monitor_start();
ibasso_set_usb_mode(USB_MODE_MASS_STORAGE);
/*