rtc_enable_alarm() needs no return value

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26245 a1c6a512-1295-4272-9138-f99709370657

firmware/drivers/rtc/rtc_as3514.c

@@ -111,9 +111,9 @@ void rtc_alarm_poweroff(void)
     while(1);
 }
 
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
-    return alarm_enabled = enable;
+    alarm_enabled = enable;
 }
 
 bool rtc_check_alarm_started(bool release_alarm)

firmware/drivers/rtc/rtc_ds1339_ds3231.c

@@ -99,9 +99,7 @@ void rtc_get_alarm(int *h, int *m)
 /* turn alarm on or off by setting the alarm flag enable */
 /* the alarm is automatically disabled when the RTC gets Vcc power at startup */
 /* avoid that an alarm occurs when the device is on because this locks the ON key forever */
-/* returns false if alarm was set and alarm flag (output) is off */
-/* returns true if alarm flag went on, which would lock the device, so the alarm was disabled again */
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
     unsigned char buf[2];
     
@@ -109,8 +107,6 @@ bool rtc_enable_alarm(bool enable)
     buf[1] = 0x00; /* reset alarm flags (and OSF for good measure) */
     
     sw_i2c_write(RTC_ADDR, 0x0e, buf, 2);        
-
-    return false; /* all ok */
 }
 
 #endif /* HAVE_RTC_ALARM */ 

firmware/drivers/rtc/rtc_e8564.c

@@ -154,7 +154,7 @@ void rtc_get_alarm(int *h, int *m)
     *h = BCD2DEC(buf[0] & 0x3f);
 }
 
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
     unsigned char tmp=0;
     int rv=0;
@@ -172,13 +172,11 @@ bool rtc_enable_alarm(bool enable)
         /* disable alarm interrupt */       
         if(rtc_lock_alarm_clear)
             /* lock disabling alarm before it was checked whether or not the unit was started by RTC alarm */
-            return false;        
+            return;
         rv = i2c_readbytes(RTC_ADDR, RTC_CTRL2, 1, &tmp);
         tmp &= ~(RTC_AIE | RTC_AF);
         pp_i2c_send(RTC_ADDR, RTC_CTRL2, tmp);
     }
-    
-    return false;
 }
 
 bool rtc_check_alarm_started(bool release_alarm)

firmware/drivers/rtc/rtc_m41st84w.c

@@ -137,9 +137,7 @@ void rtc_get_alarm(int *h, int *m)
 /* turn alarm on or off by setting the alarm flag enable */
 /* the alarm is automatically disabled when the RTC gets Vcc power at startup */
 /* avoid that an alarm occurs when the device is on because this locks the ON key forever */
-/* returns false if alarm was set and alarm flag (output) is off */
-/* returns true if alarm flag went on, which would lock the device, so the alarm was disabled again */
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
     unsigned char data = rtc_read(0x0a);
     if (enable)
@@ -164,8 +162,6 @@ bool rtc_enable_alarm(bool enable)
         data |= 0xa0; /* turn bit d7=AFE and d5=ABE on */
         rtc_write(0x0a, data);
     }
-
-    return false; /* all ok */
 }
 
 #endif /* HAVE_RTC_ALARM */

firmware/drivers/rtc/rtc_mc13783.c

@@ -218,14 +218,12 @@ bool rtc_check_alarm_flag(void)
     return false;
 }
 
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
     if (enable)
         mc13783_clear(MC13783_INTERRUPT_MASK1, MC13783_TODAM);
     else
         mc13783_set(MC13783_INTERRUPT_MASK1, MC13783_TODAM);
-
-    return false;
 }
 
 bool rtc_check_alarm_started(bool release_alarm)

firmware/drivers/rtc/rtc_pcf50605.c

@@ -92,9 +92,8 @@ bool rtc_check_alarm_flag(void)
  * The Ipod bootloader clears all PCF interrupt registers and always enables
  * the "wake on RTC" bit on OOCC1, so we have to rely on other means to find
  * out if we just woke from an alarm.
- * Return value is always false for us. 
  */
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
     if (enable) {
         /* Tell the PCF to ignore everything but second, minute and hour, so
@@ -114,7 +113,6 @@ bool rtc_enable_alarm(bool enable)
         /* Make sure we don't wake on RTC after shutting down */
         pcf50605_wakeup_flags &= ~0x10;
     }
-    return false;
 }
 
 /**

firmware/drivers/rtc/rtc_s3c2440.c

@@ -100,9 +100,8 @@ void rtc_get_alarm(int *h, int *m)
 }
 
 /* turn alarm on or off by setting the alarm flag enable
- * returns false if alarm was set and alarm flag (output) is off 
  */
-bool rtc_enable_alarm(bool enable)
+vodi rtc_enable_alarm(bool enable)
 {
     if (enable)
     {
@@ -112,7 +111,5 @@ bool rtc_enable_alarm(bool enable)
     {
         RTCALM=0x00;
     }
-
-    return false; /* all ok */
 }
 #endif

firmware/drivers/rtc/rtc_tcc77x.c

@@ -48,7 +48,7 @@ bool rtc_check_alarm_flag(void)
 /**
  * Enables or disables the alarm.
  */
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
 }
 

firmware/export/rtc.h

@@ -51,7 +51,7 @@ int rtc_write(unsigned char address, unsigned char value);
 #ifdef HAVE_RTC_ALARM
 void rtc_set_alarm(int h, int m);
 void rtc_get_alarm(int *h, int *m);
-bool rtc_enable_alarm(bool enable);
+void rtc_enable_alarm(bool enable);
 bool rtc_check_alarm_started(bool release_alarm);
 bool rtc_check_alarm_flag(void);
 #endif /* HAVE_RTC_ALARM */

uisimulator/common/stubs.c

@@ -169,9 +169,9 @@ void rtc_set_alarm(int h, int m)
     (void)m;
 }
 
-bool rtc_enable_alarm(bool enable)
+void rtc_enable_alarm(bool enable)
 {
-    return enable;
+    (void)enable;
 }
 
 extern bool sim_alarm_wakeup;