1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
Index: firmware/target/arm/s5l8700/ipodnano2g/power-nano2g.c
===================================================================
--- firmware/target/arm/s5l8700/ipodnano2g/power-nano2g.c  (revision 28604)
+++ firmware/target/arm/s5l8700/ipodnano2g/power-nano2g.c  (working copy)
@@ -45,7 +45,7 @@

 void power_init(void)
 {
-    pmu_write(0x1e, 0xf);         /* Vcore = 1.000V */
+    pmu_write(0x1e, 0xe);         /* Vcore = 0.975V */
     pmu_ldo_set_voltage(2, 0x11); /* LCD   = 2.600V */
 }

Index: firmware/target/arm/s5l8700/ipodnano2g/button-target.h
===================================================================
--- firmware/target/arm/s5l8700/ipodnano2g/button-target.h  (revision 28604)
+++ firmware/target/arm/s5l8700/ipodnano2g/button-target.h  (working copy)
@@ -43,8 +43,9 @@
 #define BUTTON_RIGHT        0x00000008
 #define BUTTON_SCROLL_FWD   0x00000010
 #define BUTTON_SCROLL_BACK  0x00000020
+#define BUTTON_SCROLL       0x00000040

-#define BUTTON_PLAY         0x00000040
+#define BUTTON_PLAY         0x00000080

 #define BUTTON_MAIN (BUTTON_SELECT|BUTTON_MENU\
                 |BUTTON_LEFT|BUTTON_RIGHT|BUTTON_SCROLL_FWD\
Index: firmware/target/arm/ipod/button-target.h
===================================================================
--- firmware/target/arm/ipod/button-target.h  (revision 28604)
+++ firmware/target/arm/ipod/button-target.h  (working copy)
@@ -43,12 +43,13 @@
 #define BUTTON_RIGHT        0x00000008
 #define BUTTON_SCROLL_FWD   0x00000010
 #define BUTTON_SCROLL_BACK  0x00000020
+#define BUTTON_SCROLL       0x00000040

-#define BUTTON_PLAY         0x00000040
+#define BUTTON_PLAY         0x00000080

 #define BUTTON_MAIN (BUTTON_SELECT|BUTTON_MENU\
                 |BUTTON_LEFT|BUTTON_RIGHT|BUTTON_SCROLL_FWD\
-                |BUTTON_SCROLL_BACK|BUTTON_PLAY)
+                |BUTTON_SCROLL_BACK|BUTTON_SCROLL|BUTTON_PLAY)

     /* Remote control's buttons */
 #ifdef IPOD_ACCESSORY_PROTOCOL
Index: firmware/target/arm/ipod/button-clickwheel.c
===================================================================
--- firmware/target/arm/ipod/button-clickwheel.c  (revision 28604)
+++ firmware/target/arm/ipod/button-clickwheel.c  (working copy)
@@ -39,6 +39,7 @@
 #include "serial.h"
 #include "power.h"
 #include "powermgmt.h"
+#include "button-target.h"
 #if defined(IPOD_NANO2G)
 #include "pmu-target.h"
 #endif
@@ -249,6 +250,9 @@
                         }
                         last_wheel_usec = usec;
                         old_wheel_value = new_wheel_value;
+                        
+                        /* be able to read wheel action via button_read_device() */  
+                        btn |= BUTTON_SCROLL;
                     }
                 }
                 else
Index: firmware/drivers/button.c
===================================================================
--- firmware/drivers/button.c  (revision 28604)
+++ firmware/drivers/button.c  (working copy)
@@ -109,6 +109,24 @@
 }
 #endif

+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+static void gui_boost(bool state)
+{
+    static bool boosted = false;
+    
+    if (state && !boosted)
+    {
+        cpu_boost(true);
+        boosted = true;
+    }
+    else if (!state && boosted)
+    {
+        cpu_boost(false);
+        boosted = false;
+    }
+}
+#endif /* HAVE_ADJUSTABLE_CPU_FREQ */
+
 static bool button_try_post(int button, int data)
 {
 #ifdef HAVE_TOUCHSCREEN
@@ -151,6 +169,9 @@
     static bool skip_remote_release = false;
 #endif
 #endif
+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    static long last_button_tick;
+#endif
     int diff;
     int btn;
 #ifdef HAVE_BUTTON_DATA
@@ -181,6 +202,19 @@
     }
 #endif

+#ifdef HAVE_ADJUSTABLE_CPU_FREQ
+    /* Boost gui on button activity, unboost gui after timeout (1 sec). */
+    if (BUTTON_NONE != btn)
+    {
+        last_button_tick = current_tick;
+        gui_boost(true);
+    }
+    else if (TIME_AFTER(current_tick, last_button_tick + HZ))
+    {
+        gui_boost(false);
+    }
+#endif
+
     /* Find out if a key has been released */
     diff = btn ^ lastbtn;
     if(diff && (btn & diff) == 0)