firmware: minor screendump related cleanups

- Remove unused redefinitions of screen_dump() from bootloaders
- Use empty do-while when screendump is compiled out

Change-Id: I3ccdb0390ddaa28d8f561ff744d0db6aaef17f5d

4 files changed, 0 insertions, 20 deletions

diff --git a/bootloader/iaudio_coldfire.c b/bootloader/iaudio_coldfire.c
index c79ab4b0c5..d9e659847a 100644
--- a/bootloader/iaudio_coldfire.c
+++ b/bootloader/iaudio_coldfire.c
@@ -212,9 +212,3 @@ void main(void)
 
     start_firmware();
 }
-
-/* These functions are present in the firmware library, but we reimplement
-   them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
diff --git a/bootloader/iriver_h1x0.c b/bootloader/iriver_h1x0.c
index 7efaaa3308..6c509a9922 100644
--- a/bootloader/iriver_h1x0.c
+++ b/bootloader/iriver_h1x0.c
@@ -588,10 +588,6 @@ void main(void)
 
 /* These functions are present in the firmware library, but we reimplement
    them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
-
 int usb_screen(void)
 {
    return 0;
diff --git a/bootloader/iriver_h300.c b/bootloader/iriver_h300.c
index 3a254f4487..655abfa505 100644
--- a/bootloader/iriver_h300.c
+++ b/bootloader/iriver_h300.c
@@ -648,10 +648,6 @@ void main(void)
 
 /* These functions are present in the firmware library, but we reimplement
    them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}
-
 int usb_screen(void)
 {
    return 0;
diff --git a/bootloader/mpio_hd200_hd300.c b/bootloader/mpio_hd200_hd300.c
index 6538c06a31..7067a9d790 100644
--- a/bootloader/mpio_hd200_hd300.c
+++ b/bootloader/mpio_hd200_hd300.c
@@ -539,9 +539,3 @@ void main(void)
     }
 
 }
-
-/* These functions are present in the firmware library, but we reimplement
-   them here because the originals do a lot more than we want */
-void screen_dump(void)
-{
-}