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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
..
3ds.c 3ds: Port refactor. 2026-09-01 08:39:07 -04:00
aic3x.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
aic310x.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
ak4376.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
ak4537.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
as3514.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
audiohw-swcodec.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
cs42l55.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
cs4398.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
dac3550a.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
df1704.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
dummy_codec.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
eros_qn_codec.c ingenic: move the drivers the X1000 shares with other SoCs 2026-09-01 11:37:21 -04:00
es9018.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
es9018k2m.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
es9218.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
imx233-codec.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
pcm1792.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
rk27xx_codec.c rk27xx codec: mix in only the tuner's line, keep the DAC 2026-09-30 08:07:15 -04:00
sdl.c audiohw: remove unused BALANCE_CAP and CLIPPING_CAP 2026-07-20 12:47:12 -04:00
tlv320.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
tsc2100.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
uda1341.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
uda1380.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wm8731.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wm8740.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wm8751.c YP-CP3: switch the headphone amplifier pin to GPIO 2026-10-08 10:40:40 +02:00
wm8758.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wm8975.c ipodnano3g: power, RTC, backlight, battery and audio 2026-09-20 08:53:53 -04:00
wm8978.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
wm8985.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00
x1000-codec.c chore: Get rid of *all* vestigal CVS '$Id:$' tags 2026-06-01 16:01:18 -04:00