installer splitup and laptop alsa stuff

pi/asound.debian-laptop.conf

@@ -0,0 +1,88 @@
+# ALSA routing for the Debian laptop rover profile.
+#
+# This file intentionally mirrors the logical device names used by the Pi rover
+# audio setup. roverd can keep sending horn audio to "horn", forwarded browser
+# audio to "forward", and TTS to ALSA's default playback path without caring
+# which physical sound card is underneath the profile.
+
+pcm.roverd_playback {
+	type plug
+
+	# Use the system's first normal ALSA playback device as the physical sink.
+	# This avoids referencing "default" here, because this file replaces
+	# pcm.!default below and using it as a slave would recurse.
+	slave.pcm "sysdefault"
+}
+
+pcm.roverd_capture {
+	type plug
+
+	# The media publisher records from "default"; with pcm.!default below that
+	# capture side resolves here. Keeping capture separate from playback lets the
+	# asym default expose ordinary microphone input while playback goes through
+	# the TTS softvol path.
+	slave.pcm "sysdefault"
+}
+
+pcm.tts_softvol {
+	type softvol
+	slave.pcm "roverd_playback"
+	control {
+		name "TTSMaster"
+		card 0
+	}
+	min_dB -60.0
+	max_dB 12.0
+}
+
+pcm.horn_softvol {
+	type softvol
+	slave.pcm "roverd_playback"
+	control {
+		name "HornMaster"
+		card 0
+	}
+	min_dB -60.0
+	max_dB 12.0
+}
+
+pcm.forward_softvol {
+	type softvol
+	slave.pcm "roverd_playback"
+	control {
+		name "ForwardMaster"
+		card 0
+	}
+	min_dB -60.0
+	max_dB 12.0
+}
+
+pcm.tts {
+	type plug
+	slave.pcm "tts_softvol"
+}
+
+pcm.horn {
+	type plug
+	slave.pcm "horn_softvol"
+}
+
+pcm.forward {
+	type plug
+	slave.pcm "forward_softvol"
+}
+
+pcm.!default {
+	type asym
+
+	# Existing TTS engines play to their default ALSA output, so default playback
+	# is intentionally the TTS path. This preserves the current TTS execution
+	# model while still making the TTS volume control meaningful on laptops.
+	playback.pcm "tts"
+	capture.pcm "roverd_capture"
+}
+
+ctl.!default {
+	type hw
+	card 0
+}