Sansa Fuze Line Out patch

Index: firmware/export/config/sansafuzev2.h
===================================================================
--- firmware/export/config/sansafuzev2.h    (revision 30118)
+++ firmware/export/config/sansafuzev2.h    (working copy)
@@ -209,5 +209,8 @@

 #define INCLUDE_TIMEOUT_API

+/* Define this, if you can switch on/off the lineout */
+#define HAVE_LINEOUT_POWEROFF
+
 /* Define this if a programmable hotkey is mapped */
 #define HAVE_HOTKEY
Index: firmware/export/as3514.h
===================================================================
--- firmware/export/as3514.h    (revision 30118)
+++ firmware/export/as3514.h    (working copy)
@@ -23,6 +23,7 @@
 #define _AS3514_H

 #include "config.h"
+#include <stdbool.h>

 extern int tenthdb2master(int db);

@@ -30,6 +31,10 @@
 extern void audiohw_set_lineout_vol(int vol_l, int vol_r);
 extern void audiohw_set_sampr_dividers(int fsel);

+#if defined(SANSA_FUZEV2)
+extern void audiohw_enable_lineout(bool enable);
+#endif
+
 /* Register Descriptions */

 #ifndef HAVE_AS3543
Index: firmware/target/arm/as3525/power-as3525.c
===================================================================
--- firmware/target/arm/as3525/power-as3525.c   (revision 30118)
+++ firmware/target/arm/as3525/power-as3525.c   (working copy)
@@ -73,3 +73,11 @@
     return true;
 }
 #endif
+
+#ifdef HAVE_LINEOUT_POWEROFF
+void lineout_set(bool enable)
+{
+    /* Call audio hardware driver implementation */
+    audiohw_enable_lineout(enable);
+}
+#endif
Index: firmware/drivers/audio/as3514.c
===================================================================
--- firmware/drivers/audio/as3514.c (revision 30118)
+++ firmware/drivers/audio/as3514.c (working copy)
@@ -78,6 +78,11 @@
 #endif
 };

+#ifdef SANSA_FUZEV2
+static int as3514_vol_l;
+static int as3514_vol_r;
+#endif
+
 /* Shadow registers */
 static uint8_t as3514_regs[AS3514_NUM_AUDIO_REGS]; /* 8-bit registers */

@@ -265,6 +270,7 @@
     audiohw_mute(false);
 }

+
 void audiohw_set_master_vol(int vol_l, int vol_r)
 {
     unsigned int hph_r, hph_l;
@@ -275,6 +281,17 @@
         return;
     }

+#ifdef SANSA_FUZEV2
+    as3514_vol_l = vol_l;
+    as3514_vol_r = vol_r;
+
+    if (as3514_regs[AS3514_HPH_OUT_R] & HPH_OUT_R_LINEOUT)
+    {
+        /* lineout active: force to 0dB */
+        vol_l = vol_r = tenthdb2master(0);
+    }
+#endif
+
     /* We combine the mixer/DAC channel volume range with the headphone volume
        range - keep first stage as loud as possible */

@@ -316,6 +333,22 @@
     audiohw_mute(false);
 }

+#if defined(SANSA_FUZEV2)
+void audiohw_enable_lineout(bool enable)
+{
+    if (enable)
+    {
+        as3514_set(AS3514_HPH_OUT_R, HPH_OUT_R_LINEOUT);
+        audiohw_set_master_vol(as3514_vol_l, as3514_vol_r);
+    }
+    else
+    {
+        as3514_clear(AS3514_HPH_OUT_R, HPH_OUT_R_LINEOUT);
+        audiohw_set_master_vol(as3514_vol_l, as3514_vol_r);
+    }
+}
+#endif
+
 #if 0 /* unused */
 void audiohw_set_lineout_vol(int vol_l, int vol_r)
 {