Various minor clean-ups for Zen Vision

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27636 a1c6a512-1295-4272-9138-f99709370657

6 files changed, 14 insertions, 12 deletions

diff --git a/firmware/drivers/audio/tlv320.c b/firmware/drivers/audio/tlv320.c
index b537fd5773..dc19023521 100644
--- a/firmware/drivers/audio/tlv320.c
+++ b/firmware/drivers/audio/tlv320.c
@@ -69,14 +69,14 @@ int tenthdb2master(int db)
 #define TLV320_ADDR 0x1A
 #endif
 
-struct tlv320_info
+static struct tlv320_info
 {
     int vol_l;
     int vol_r;
 } tlv320;
 
 /* Shadow registers */
-unsigned tlv320_regs[0xf];
+static unsigned tlv320_regs[0xf];
 
 static void tlv320_write_reg(unsigned reg, unsigned value)
 {
@@ -304,8 +304,8 @@ void audiohw_disable_recording(void)
     value_pc |= PC_ADC | PC_MIC | PC_LINE; /* ADC, MIC and LINE off */
     tlv320_write_reg(REG_PC, value_pc);
 }
-#endif
 
+#ifdef HAVE_FMRADIO_IN
 void audiohw_set_monitor(bool enable)
 {
     unsigned value_aap, value_pc;
@@ -325,3 +325,6 @@ void audiohw_set_monitor(bool enable)
     tlv320_write_reg(REG_AAP, value_aap);
     tlv320_write_reg(REG_PC,  value_pc);
 }
+#endif /* HAVE_FMRADIO_IN */
+#endif /* HAVE_RECORDING */
+
diff --git a/firmware/drivers/isp1583.c b/firmware/drivers/isp1583.c
index 26d638171c..f45ff6eb5e 100644
--- a/firmware/drivers/isp1583.c
+++ b/firmware/drivers/isp1583.c
@@ -397,15 +397,16 @@ static void setup_endpoints(void)
     ZVM_SPECIFIC;
 }
 
-void usb_helper(void)
+#if 0 /* currently unused */
+static void usb_helper(void)
 {
     if(ISP1583_GEN_INT_READ & ISP1583_INIT_INTEN_READ)
     {
         logf("Helper detected interrupt... [%d]", (int)current_tick);
         usb_drv_int();
     }
-    return;
 }
+#endif
 
 void usb_drv_init(void)
 {
diff --git a/firmware/target/arm/tms320dm320/creative-zvm/powermgmt-creativezvm.c b/firmware/target/arm/tms320dm320/creative-zvm/powermgmt-creativezvm.c
index d85ade18c3..a6d19347c4 100644
--- a/firmware/target/arm/tms320dm320/creative-zvm/powermgmt-creativezvm.c
+++ b/firmware/target/arm/tms320dm320/creative-zvm/powermgmt-creativezvm.c
@@ -26,7 +26,7 @@
 
 /* THIS CONTAINS CURRENTLY DUMMY CODE! */
 
-unsigned short current_voltage = 3910;
+static const unsigned short current_voltage = 3910;
 const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
 {
     0
@@ -48,9 +48,6 @@ const unsigned short percent_to_volt_charge[11] =
 {
     100, 300, 400, 500, 600, 700, 800, 900, 1000, 1200, 1320,
 };
-void read_battery_inputs(void)
-{
-}
 
 /* Returns battery voltage from ADC [millivolts] */
 unsigned int battery_adc_voltage(void)
diff --git a/firmware/target/arm/tms320dm320/debug-dm320.c b/firmware/target/arm/tms320dm320/debug-dm320.c
index 8bf170048e..cc529f5d15 100644
--- a/firmware/target/arm/tms320dm320/debug-dm320.c
+++ b/firmware/target/arm/tms320dm320/debug-dm320.c
@@ -27,6 +27,7 @@
 #include "button.h"
 #include "lcd.h"
 #include "debug.h"
+#include "debug-target.h"
 #include "font.h"
 #include "lcd-target.h"
 
diff --git a/firmware/target/arm/tms320dm320/spi-dm320.c b/firmware/target/arm/tms320dm320/spi-dm320.c
index 222228aa8d..12ce0e0d5e 100644
--- a/firmware/target/arm/tms320dm320/spi-dm320.c
+++ b/firmware/target/arm/tms320dm320/spi-dm320.c
@@ -33,7 +33,7 @@
 #define GIO_BL_ENABLE  (1<<13)
 #define GIO_LCD_ENABLE (1<<5)
 
-struct mutex spi_mtx;
+static struct mutex spi_mtx;
 
 struct SPI_info {
     volatile unsigned short *setreg;
@@ -43,7 +43,7 @@ struct SPI_info {
     char divider;
 };
 
-struct SPI_info spi_targets[] =
+static struct SPI_info spi_targets[] =
 {
 #ifndef CREATIVE_ZVx
     [SPI_target_TSC2100]   = { &IO_GIO_BITCLR1, &IO_GIO_BITSET1, 
diff --git a/firmware/target/arm/tms320dm320/uart-dm320.c b/firmware/target/arm/tms320dm320/uart-dm320.c
index 55515aa406..7490695f0f 100644
--- a/firmware/target/arm/tms320dm320/uart-dm320.c
+++ b/firmware/target/arm/tms320dm320/uart-dm320.c
@@ -29,7 +29,7 @@
 #define SEND_RING_SIZE      256
 #define RECEIVE_RING_SIZE   20
 
-char
+static char
     uart1_send_buffer_ring[SEND_RING_SIZE],
     uart1_receive_buffer_ring[RECEIVE_RING_SIZE];