iRiver: Implemented S/PDIF transmit power control. The optical LED is now off by default.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6268 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 30 insertions, 0 deletions

diff --git a/firmware/drivers/power.c b/firmware/drivers/power.c
index 3a4ae466bc..de62c7aa96 100644
--- a/firmware/drivers/power.c
+++ b/firmware/drivers/power.c
@@ -70,6 +70,9 @@ void power_init(void)
     
     GPIO_ENABLE |= 0x80000000;
     GPIO_FUNCTION |= 0x80000000;
+#ifdef HAVE_SPDIF_POWER
+    spdif_power_enable(false);
+#endif
 #else
 #ifdef HAVE_CHARGE_CTRL
     or_b(0x20, &PBIORL); /* Set charging control bit to output */
@@ -128,6 +131,19 @@ void charger_enable(bool on)
 #endif
 }
 
+#ifdef HAVE_SPDIF_POWER
+void spdif_power_enable(bool on)
+{
+    GPIO1_FUNCTION |= 0x01000000;
+    GPIO1_ENABLE |= 0x01000000;
+    
+    if(on)
+        GPIO1_OUT &= ~0x01000000;
+    else
+        GPIO1_OUT |= 0x01000000;
+}
+#endif
+
 #ifndef HAVE_MMC
 void ide_power_enable(bool on)
 {
@@ -261,4 +277,11 @@ void ide_power_enable(bool on)
    (void)on;
 }
 
+#ifdef HAVE_SPDIF_POWER
+void spdif_power_enable(bool on)
+{
+   (void)on;
+}
+#endif
+
 #endif /* SIMULATOR */
diff --git a/firmware/export/config-h100.h b/firmware/export/config-h100.h
index 5eef2c7270..c60f25651b 100644
--- a/firmware/export/config-h100.h
+++ b/firmware/export/config-h100.h
@@ -59,4 +59,7 @@
 #define BOOTFILE_EXT ".iriver"
 #define BOOTFILE "rockbox" BOOTFILE_EXT
 
+/* Define this if you can control the S/PDIF power */
+#define HAVE_SPDIF_POWER
+
 #endif
diff --git a/firmware/export/power.h b/firmware/export/power.h
index eea3648053..f0c4c302ea 100644
--- a/firmware/export/power.h
+++ b/firmware/export/power.h
@@ -30,6 +30,10 @@ void ide_power_enable(bool on);
 bool ide_powered(void);
 void power_off(void);
 
+#ifdef HAVE_SPDIF_POWER
+void spdif_power_enable(bool on);
+#endif
+
 #ifdef CONFIG_TUNER
 /* status values */
 #define FMRADIO_OFF     0 /* switched off */