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rockbox/firmware
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Marcin Bukat aba3fe1d57 YP-CP3: switch the headphone amplifier pin to GPIO 
The headphone amplifier enable, GPIO F2, shares its pin with SDRAM
address line A12 and is A12 until switched in IOMUXB. Rockbox never
switched it, so driving F2 never reached the amplifier: started from
the Rockbox bootloader, playback and the FM radio were near silent
and distorted. They only worked when the original firmware had run
first, as it switches the pin. The 16 MB of SDRAM does not use A12.

Tested on a YP-CP3 booted from the Rockbox bootloader.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Change-Id: I40610aaf88f06fd4831d07174b0f66a4ba32204d
2026-10-08 10:40:40 +02:00
..
asm asm: ARMv7-M: replace unity-gain write_samples() asm with memcpy 2026-07-15 22:56:05 -04:00
common Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
drivers YP-CP3: switch the headphone amplifier pin to GPIO 2026-10-08 10:40:40 +02:00
export rk27xx: boot the OF when it asked for a reboot 2026-10-07 18:09:15 +02:00
include Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
kernel 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
libc chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
reggen stm32h743: implement timer API 2026-07-11 17:23:36 -04:00
target rk27xx: debug menu switch to show NAND SYS over USB 2026-10-07 18:33:01 +02:00
usbstack usb_storage: allocate the buffer at the storage handover 2026-10-07 09:30:49 -04:00
arabjoin.c
arabjoin.h unicode: Support characters beyond the first unicode plane 2025-09-12 09:24:30 -04:00
ata_idle_notify.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
backlight-sw-fading.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
backlight.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
bidi.c bidi: do not pass non-ASCII codepoints to ispunct() 2026-07-01 21:03:38 -04:00
buflib_malloc.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
buflib_mempool.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
chunk_alloc.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
COPYING
core_alloc.c Fix building Warble when configured as the iPod Video 2026-08-25 08:01:09 -04:00
debug.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
eeprom_settings.c firmware: move iriver flash helper functions into target tree 2026-09-23 13:44:45 -04:00
elf_loader.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
enc_base.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
events.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
firmware.make chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
font.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
font_cache.c unicode: Support characters beyond the first unicode plane 2025-09-12 09:24:30 -04:00
general.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
hangul.c unicode: Support characters beyond the first unicode plane 2025-09-12 09:24:30 -04:00
lc-rock.c Add "rbfs" prefix to native filesystem functions 2026-09-17 16:22:31 -04:00
linuxboot.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
logf.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
lru.c
panic.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pcm.c pcm_sink: allow per-sink swvol/hwvol selection 2026-08-14 22:39:13 +09:00
pcm_mixer.c pcm_mixer: fix active_channels handling in mixer_handle_sampr_change 2026-07-23 21:17:13 -04:00
pcm_sampr.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pcm_sw_volume.c swvol: Switch to using WANT_SWVOL_32 in pcm_sw_volume.c 2026-08-14 22:45:14 -04:00
powermgmt.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
profile.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
README
rolo.c ROLO: Get rid of redundant call to audio_hard_stop() 2026-09-23 16:52:01 -04:00
rom.lds h300: add support for ROM image generation 2020-10-26 01:37:42 +00:00
screendump.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
scroll_engine.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
sdmmc.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
sound.c audiohw: remove unused BALANCE_CAP and CLIPPING_CAP 2026-07-20 12:47:12 -04:00
SOURCES rk27xx: name the NAND's FTL scheme in each target's config 2026-10-01 12:15:25 +02:00
storage.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
system.c firmware: move iriver flash helper functions into target tree 2026-09-23 13:44:45 -04:00
timer.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
tuner.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
usb.c FS#14011: Handle usb hosts whose first request is SET_ADDRESS (Anthony Fletcher) 2026-09-27 19:36:21 -04:00

README 

See docs/README