mirror of
https://github.com/archr-linux/Arch-R.git
synced 2026-07-12 18:19:42 -07:00
mipi-generator: route Y3506 Soysauce audio through SPKO direct (no amp)
The Y3506 family (V03/V04/V05 soysauce variants) ships without an
external speaker amplifier on the PCB; the rk817 SPKO line drives
the mono speaker directly. The vendor BSP 4.4 hides this with
hardcoded DAPM widgets and routes in rk817_codec.c, but mainline
ASoC respects the DT strictly, so the speaker stayed muted on every
Y3506 board even though the hardware path exists.
Changes:
config/archr-dts/rk3326-gameconsole-r36s.dts
Adds three pre-defined sound card variants with status=disabled:
rk817-sound-amplified (external amp gated by GPIO)
rk817-sound-simple (external amp on regulator, no GPIO gate)
rk817-sound-spko-direct (no external amp, SPKO straight to speaker)
The default rk817-sound stays active with the historic amp routing,
so any board the overlay generator cannot positively re-classify
keeps working as it did in v2.0-rc3.
config/mipi-generator/archr-dtbo.py
- Picks one of the three variants based on flags + vendor signals:
NAm flag -> spko-direct (Y3506 family)
spk-con-gpio / spk-ctl-gpios detected -> amplified
SRs flag without GPIO -> simple
otherwise -> keep base DTS default (amp routing)
- Accepts simple-audio-card,hp-det-gpio as a fallback to hp-det-gpio
so V05 boards that use the canonical mainline name are no longer
silently skipped by the audio block.
- Tolerates missing /pinctrl/headphone/hp-det in the vendor DTB
(some boards bind via the codec phandle only).
- Short-circuit branch (odroidgo3 + SDORIG) now still toggles the
sound card variant when NAm is set, so the six Soysauce batches
that go through that early return still get spko-direct.
- Fallback branch when the audio block crashes still applies
spko-direct when NAm is set (covers six Y3506 V03/V04 batches
where the vendor DTB omits hp-det-gpio entirely).
config/mipi-generator/generator.sh
- Appends NAm to every overlay generated under soysauce/, in
stable order with the existing SDORIG and variant flags.
Audit of all 44 vendor DTBs after the change:
18 clones -> default (amp routing preserved)
15 original -> default (amp routing preserved)
11 soysauce -> spko-direct (V03/V04/V05 all classes covered)
Reported by gemstoned via Discord: Soysauce V05 speaker would not
play under v2.0-rc3 even with HPi/SRs overlay flags toggled. Root
cause traced to (a) the variant nodes referenced by archr-dtbo.py
only existing in eeclone.dts and not in r36s.dts, and (b) the
vendor BSP rk817_codec.c hardcoded DAPM that mainline ASoC ignores.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Douglas Teles
+1
-1
@@ -172,4 +172,4 @@ packages/sysutils/open-vm-tools/
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#other
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docs/*
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bench-results/
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bench-results/config/mipi-generator/__pycache__/
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@@ -188,7 +188,38 @@
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};
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};
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/* Override sound card from r3xs.dtsi: add speaker amplifier */
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/*
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* Sound card layout for the R36S family.
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*
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* The default `rk817-sound` (overridden right below) keeps the
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* Speaker Amp routing that the R36S original and most clones need.
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* That node stays enabled by default so any board the overlay
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* generator cannot positively re-classify still gets functional
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* audio (the historic behaviour up to v2.0-rc3).
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*
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* Three additional variant cards are pre-defined with
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* status = "disabled" so the overlay can switch to them when the
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* vendor DTB does not match the default assumption:
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*
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* rk817-sound-amplified : external speaker amp gated by a GPIO
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* (explicit re-affirmation of the default
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* for boards where the overlay needs to
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* rewrite the amp enable line).
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* rk817-sound-simple : external amp on a regulator, no GPIO
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* gate (a handful of clone batches).
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* rk817-sound-spko-direct: speaker driven directly from rk817 SPKO
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* with no external amp at all (Soysauce
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* V05 and any board where the amp circuit
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* was depopulated). Without this variant
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* V05 boots with speaker muted, because
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* mainline ASoC will not route to SPKO
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* through a card that declares the Speaker
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* widget behind an Amp.
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*
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* When the overlay enables one of these variants it also writes
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* status = "disabled" on the default `rk817-sound`, so the kernel
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* always sees exactly one active simple-audio-card.
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*/
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/ {
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rk817-sound {
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simple-audio-card,aux-devs = <&spk_amp>;
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@@ -198,6 +229,102 @@
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"Headphones", "HPOR",
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"Speaker Amp INL", "SPKO";
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};
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rk817-sound-amplified {
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compatible = "simple-audio-card";
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pinctrl-names = "default";
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pinctrl-0 = <&hp_det>;
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simple-audio-card,name = "rk817_ext";
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simple-audio-card,aux-devs = <&spk_amp>;
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simple-audio-card,format = "i2s";
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simple-audio-card,hp-det-gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
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simple-audio-card,mclk-fs = <256>;
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simple-audio-card,widgets =
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"Headphone", "Headphones",
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"Speaker", "Internal Speakers";
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/* The Y3506 / R36S clone speaker is mono, but the amp is
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* stereo. We route both amp inputs to HPOL/HPOR so the
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* second channel doesn't latch the amp on permanently. */
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simple-audio-card,routing =
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"Headphones", "HPOL",
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"Headphones", "HPOR",
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"Internal Speakers", "Speaker Amp OUTL",
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"Internal Speakers", "Speaker Amp OUTR",
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"Speaker Amp INL", "HPOL",
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"Speaker Amp INR", "HPOR";
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simple-audio-card,pin-switches = "Internal Speakers";
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status = "disabled";
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simple-audio-card,codec {
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sound-dai = <&rk817>;
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};
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simple-audio-card,cpu {
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sound-dai = <&i2s1_2ch>;
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};
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};
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rk817-sound-simple {
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compatible = "simple-audio-card";
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pinctrl-names = "default";
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pinctrl-0 = <&hp_det>;
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simple-audio-card,name = "rk817_ext";
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simple-audio-card,format = "i2s";
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simple-audio-card,hp-det-gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
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simple-audio-card,mclk-fs = <256>;
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simple-audio-card,widgets =
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"Headphone", "Headphones",
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"Speaker", "Internal Speakers";
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simple-audio-card,routing =
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"Headphones", "HPOL",
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"Headphones", "HPOR",
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"Internal Speakers", "SPKO";
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status = "disabled";
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simple-audio-card,codec {
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sound-dai = <&rk817>;
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};
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simple-audio-card,cpu {
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sound-dai = <&i2s1_2ch>;
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};
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};
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rk817-sound-spko-direct {
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compatible = "simple-audio-card";
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pinctrl-names = "default";
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pinctrl-0 = <&hp_det>;
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simple-audio-card,name = "rk817_ext";
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simple-audio-card,format = "i2s";
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simple-audio-card,hp-det-gpio = <&gpio2 RK_PC6 GPIO_ACTIVE_HIGH>;
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simple-audio-card,mclk-fs = <256>;
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simple-audio-card,widgets =
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"Microphone", "Mic Jack",
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"Headphone", "Headphones",
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"Speaker", "Internal Speaker";
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simple-audio-card,routing =
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"MICL", "Mic Jack",
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"Headphones", "HPOL",
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"Headphones", "HPOR",
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"Internal Speaker", "SPKO";
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/* Userspace can mute the speaker when headphones are
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* plugged via this pin-switch. */
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simple-audio-card,pin-switches = "Internal Speaker";
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status = "disabled";
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simple-audio-card,codec {
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sound-dai = <&rk817>;
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};
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simple-audio-card,cpu {
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sound-dai = <&i2s1_2ch>;
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};
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};
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};
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&pinctrl {
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@@ -596,6 +596,20 @@ def make_dtbo(dtb_data, args):
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# hardware. Trusting that string skipped the GPIO overrides on clones and
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# produced the "backlight on, no image" black screen on those boards.
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if 'SDORIG' in args['flags'] and 'odroidgo3' in compat:
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# Short-circuit path: kernel base DTB already has the correct
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# GPIO/panel wiring, no overlay edits needed beyond what we
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# already produced. BUT: if the user passed NAm (no external
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# amplifier), we still have to switch the active sound card
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# from `rk817-sound` (amp routing) to `rk817-sound-spko-direct`,
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# otherwise mainline ASoC keeps the speaker muted (Y3506
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# Soysauce V03/V04/V05 fall here).
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if 'NAm' in args['flags']:
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hpdet_ovl = add_overlay(overlay, '/')
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spko_path = hpdet_ovl.path + '/__overlay__/rk817-sound-spko-direct'
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default_path = hpdet_ovl.path + '/__overlay__/rk817-sound'
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overlay.set_property('status', 'okay', path=spko_path)
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overlay.set_property('status', 'disabled', path=default_path)
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args['logger'].info("audio: spko-direct variant via short-circuit (odroidgo3 + NAm)")
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return overlay.to_dtb()
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# copy reset config
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@@ -704,15 +718,37 @@ def make_dtbo(dtb_data, args):
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try:
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snd = dt.get_node('/rk817-sound')
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# fetch raw hp-det-gpio = <0x6f 0x16 0x00>;
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hpdet = snd.get_property('hp-det-gpio').data
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hp_det = dt.get_node('/pinctrl/headphone/hp-det')
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hp_det_pins = hp_det.get_property('rockchip,pins')
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hp_det_pull_node = node_by_phandle(dt, hp_det_pins[3])
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# Vendor BSP DTBs use one of two names for the headphone
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# detection GPIO. Legacy Rockchip BSP 4.4 boards write
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# `hp-det-gpio`. Newer batches (including most Soysauce
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# variants generated from mainline-style DT) use the
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# canonical `simple-audio-card,hp-det-gpio`. Without
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# accepting both we silently skipped the audio block on V05.
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hpdet_prop = snd.get_property('hp-det-gpio')
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if hpdet_prop is None:
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hpdet_prop = snd.get_property('simple-audio-card,hp-det-gpio')
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if hpdet_prop is None:
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raise RuntimeError("no hp-det-gpio property on /rk817-sound")
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hpdet = list(hpdet_prop.data)
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# Some vendor DTBs omit /pinctrl/headphone/hp-det entirely
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# because the kernel auto-binds via the codec phandle. We
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# tolerate that: if the pinctrl node is missing we skip the
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# bias-pull fixup; the codec still picks up the headphone
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# detection gpio from simple-audio-card,hp-det-gpio.
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try:
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hp_det = dt.get_node('/pinctrl/headphone/hp-det')
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hp_det_pins = list(hp_det.get_property('rockchip,pins').data)
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hp_det_pull_node = node_by_phandle(dt, hp_det_pins[3])
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except Exception:
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hp_det = None
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hp_det_pins = None
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hp_det_pull_node = None
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# resolve <0x6f> into '/pinctrl/gpio2@ff260000'
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hpdet_gpio_path = resolve_phandle(dt, hpdet[0])
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# find symbol 'gpio2' for path '/pinctrl/gpio2@ff260000'
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gpiosyms = [p.name for p in symbols.props if p.value == hpdet_gpio_path]
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if not gpiosyms:
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raise RuntimeError(f"hp-det gpio controller phandle {hpdet[0]} not in __symbols__")
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gpio_sym = gpiosyms[0]
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# on success, add overlay
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@@ -735,12 +771,42 @@ def make_dtbo(dtb_data, args):
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if snd_codec.exist_property('spk-ctl-gpios'):
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amp_gpio = snd_codec.get_property('spk-ctl-gpios').data
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# Determine preset, configure amplifier if needed
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if amp_gpio:
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# ---------------------------------------------------------------
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# Pick one of three sound card variants exposed by the base DTS
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# (defined in rk3326-gameconsole-r36s.dts):
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#
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# 1. `rk817-sound-amplified`: external speaker amp gated by a
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# discrete enable GPIO (R36S original, K36, most clones).
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# Selected when vendor DTB declares `spk-con-gpio` (or its
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# codec-side equivalent `spk-ctl-gpios`).
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# 2. `rk817-sound-simple`: external amp on a regulator without
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# a GPIO gate. Selected via the SRs flag, since vendor DTBs
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# cannot disambiguate this from "no amp at all".
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# 3. `rk817-sound-spko-direct`: speaker driven straight from
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# the rk817 SPKO output, with no external amp. Selected via
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# the NAm (No Amplifier) flag. This is what Y3506 Soysauce
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# V03/V04/V05 actually need. Vendor BSP kernel 4.4 hid this
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# gap because `rk817_codec.c` carried hardcoded DAPM
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# widgets; mainline ASoC respects the DT strictly, so
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# without this variant the speaker stays muted no matter
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# what the vendor card declares.
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#
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# Vendor DTBs cannot be reliably auto-classified because the
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# R36S original BSP and the Y3506 BSP both publish identical
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# rk817-sound nodes (just Mic + Headphone, no Speaker widget,
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# no `spk-con-gpio`). The amp presence is a hardware fact, so
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# generator.sh tags soysauce boards with NAm and original /
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# clone boards default to amplified.
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force_no_amp = ('NAm' in args['flags'])
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if force_no_amp:
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rk817_path = hpdet_ovl.path+'/__overlay__/rk817-sound-spko-direct'
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args['logger'].info("audio: spko-direct variant (NAm flag: no external amp, SPKO direct to speaker)")
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elif amp_gpio:
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rk817_path = hpdet_ovl.path+'/__overlay__/rk817-sound-amplified'
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amp_gpio_sym = [p.name for p in symbols.props if p.value == resolve_phandle(dt, amp_gpio[0])][0]
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gpio_num = int(amp_gpio_sym[4:])
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args['logger'].info(f"spk-con-gpio {amp_gpio_sym} {amp_gpio[1]} on {hpdet_ovl.path}")
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args['logger'].info(f"audio: amplified variant (spk-con-gpio {amp_gpio_sym} {amp_gpio[1]})")
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amp_path = hpdet_ovl.path+'/__overlay__/audio-amplifier'
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overlay.set_property('enable-gpios', [0xffffffff, amp_gpio[1], amp_gpio[2]], path=amp_path)
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@@ -749,29 +815,69 @@ def make_dtbo(dtb_data, args):
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amp_pc_path = hpdet_ovl.path+'/__overlay__/pinctrl/speaker/spk-amp-enable-h'
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overlay.set_property('rockchip,pins', [gpio_num, amp_gpio[1], 0, 0xffffffff], path=amp_pc_path)
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add_fixup(overlay, 'pcfg_pull_none', amp_pc_path+':rockchip,pins:12')
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else:
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elif force_simple_audio_routing:
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rk817_path = hpdet_ovl.path+'/__overlay__/rk817-sound-simple'
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overlay.set_property('status', 'okay', path=rk817_path)
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# for some reason hp detection polarity needs to be inverted on some devices
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if 'HPi' in args['flags']:
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if hpdet[2] == 0:
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hpdet[2] = 1
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else:
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hpdet[2] = 0
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overlay.set_property('simple-audio-card,hp-det-gpio', [0xffffffff, hpdet[1], hpdet[2]], path=rk817_path)
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add_fixup(overlay, gpio_sym, rk817_path+':simple-audio-card,hp-det-gpio:0')
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pins_path = hpdet_ovl.path+'/__overlay__/pinctrl/headphone/hp-det'
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overlay.set_property('rockchip,pins', hp_det_pins[0:3] + [0xffffffff], path=pins_path)
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# Restore bias reference
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if hp_det_pull_node.exist_property('bias-pull-down'):
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add_fixup(overlay, 'pcfg_pull_down', pins_path+':rockchip,pins:12')
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args['logger'].info("audio: simple variant (SRs flag: external amp on regulator)")
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else:
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add_fixup(overlay, 'pcfg_pull_up', pins_path+':rockchip,pins:12')
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args['logger'].info(f"hp-det-gpio {gpiosyms[0]} on {hpdet_ovl.path}")
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# No amp GPIO detected, no SRs flag, no NAm flag. Keep the
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# default rk817-sound (amp routing) active. This preserves
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# R36S original/clone behaviour that worked under RC-3.
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rk817_path = None
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args['logger'].info("audio: keeping default rk817-sound (amp routing from base DTS)")
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# If we picked an explicit variant (amplified/simple/spko-direct),
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# enable it AND disable the default rk817-sound so the kernel
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# never sees two simple-audio-card instances competing for the
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# rk817 codec / i2s pair. If rk817_path is None we keep the
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# base DTS sound card as-is.
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if rk817_path is not None:
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overlay.set_property('status', 'okay', path=rk817_path)
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default_path = hpdet_ovl.path + '/__overlay__/rk817-sound'
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overlay.set_property('status', 'disabled', path=default_path)
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# Headphone-detect polarity needs to be inverted on a
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# handful of boards (HPi flag).
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if 'HPi' in args['flags']:
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hpdet[2] = 0 if hpdet[2] != 0 else 1
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overlay.set_property('simple-audio-card,hp-det-gpio',
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[0xffffffff, hpdet[1], hpdet[2]],
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path=rk817_path)
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add_fixup(overlay, gpio_sym, rk817_path+':simple-audio-card,hp-det-gpio:0')
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# Pinctrl override only when the vendor DTB actually defines
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# /pinctrl/headphone/hp-det. Boards without that node use
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# the base DTS pinctrl unchanged.
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if hp_det_pins is not None and hp_det_pull_node is not None:
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pins_path = hpdet_ovl.path+'/__overlay__/pinctrl/headphone/hp-det'
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overlay.set_property('rockchip,pins', hp_det_pins[0:3] + [0xffffffff], path=pins_path)
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if hp_det_pull_node.exist_property('bias-pull-down'):
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add_fixup(overlay, 'pcfg_pull_down', pins_path+':rockchip,pins:12')
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else:
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add_fixup(overlay, 'pcfg_pull_up', pins_path+':rockchip,pins:12')
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args['logger'].info(f"hp-det-gpio {gpio_sym} on {hpdet_ovl.path}")
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except Exception as e:
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args['logger'].info(e)
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import traceback
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args['logger'].info(f"audio block: {e}\n{traceback.format_exc()}")
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# Fallback for boards where the vendor DTB lacks `hp-det-gpio`
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# entirely (six Y3506 Soysauce V03/V04 batches). With NAm we
|
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# still need to switch the active sound card to spko-direct,
|
||||
# even though we can't propagate the headphone-detect pin from
|
||||
# the vendor. The base DTS variant carries a sensible default
|
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# hp-det-gpio so headphone detection still works on the panel
|
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# the kernel actually ships for these boards.
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if 'NAm' in args['flags']:
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try:
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hpdet_ovl_fb = add_overlay(overlay, '/')
|
||||
spko_path = hpdet_ovl_fb.path + '/__overlay__/rk817-sound-spko-direct'
|
||||
default_path = hpdet_ovl_fb.path + '/__overlay__/rk817-sound'
|
||||
overlay.set_property('status', 'okay', path=spko_path)
|
||||
overlay.set_property('status', 'disabled', path=default_path)
|
||||
args['logger'].info("audio: spko-direct variant via fallback (NAm flag, no hp-det in vendor)")
|
||||
except Exception as e2:
|
||||
args['logger'].info(f"audio fallback also failed: {e2}")
|
||||
|
||||
# Tier 3: walk any remaining vendor properties we haven't already
|
||||
# handled and propagate them. Catches board-specific quirks (custom
|
||||
|
||||
@@ -148,6 +148,19 @@ process_subdevice() {
|
||||
original|soysauce) sd_prefix="SDORIG" ;;
|
||||
esac
|
||||
|
||||
# Soysauce (Y3506) boards have NO external speaker amplifier on
|
||||
# the PCB; the rk817 SPKO line drives the speaker directly. The
|
||||
# vendor BSP 4.4 hides this with hardcoded DAPM widgets in
|
||||
# rk817_codec.c, but mainline ASoC respects the DT strictly, so
|
||||
# without the NAm flag the speaker stays muted on every Y3506
|
||||
# board (most visibly on V05 where users actually use it). We
|
||||
# append NAm to every soysauce overlay so the generator picks the
|
||||
# `rk817-sound-spko-direct` card variant.
|
||||
local audio_flag=""
|
||||
case "$sd" in
|
||||
soysauce) audio_flag="NAm" ;;
|
||||
esac
|
||||
|
||||
local count=0
|
||||
# Sort makes output deterministic across filesystems.
|
||||
while IFS= read -r mb_dir; do
|
||||
@@ -168,10 +181,16 @@ process_subdevice() {
|
||||
local flags="${flags_arr[$i]}"
|
||||
local suffix="${suffix_arr[$i]}"
|
||||
local out_file="${out_dir}/${sanitized}${suffix}.dtbo"
|
||||
local effective_flags="$flags"
|
||||
if [ -n "$sd_prefix" ]; then
|
||||
effective_flags="${sd_prefix}${flags:+-${flags}}"
|
||||
fi
|
||||
|
||||
# Compose the flag string in stable order:
|
||||
# <sd_prefix>-<audio_flag>-<variant flags>
|
||||
local parts=()
|
||||
[ -n "$sd_prefix" ] && parts+=("$sd_prefix")
|
||||
[ -n "$audio_flag" ] && parts+=("$audio_flag")
|
||||
[ -n "$flags" ] && parts+=("$flags")
|
||||
local effective_flags
|
||||
effective_flags="$(IFS=-; echo "${parts[*]}")"
|
||||
|
||||
generate_overlay "$input_dtb" "$out_file" "${sd}/${mb_name}${suffix}" "$effective_flags"
|
||||
done
|
||||
count=$((count + 1))
|
||||
|
||||
Reference in New Issue
Block a user