124 lines
2.7 KiB
Diff
124 lines
2.7 KiB
Diff
From 1641ce8c724018365d7fa598f9a70c6492e7c271 Mon Sep 17 00:00:00 2001
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From: Shengjiu Wang <shengjiu.wang@nxp.com>
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Date: Wed, 31 Jan 2018 15:06:53 +0800
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Subject: [PATCH] add ak4458 conf for multichannel support
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one limitation is that ALSA and pulseaudio only support
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maximum 8 channels, but ak4458 may support 16 channels
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Upstream-Status: Inappropriate [i.MX specific]
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Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
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---
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src/conf/cards/AK4458.conf | 74 +++++++++++++++++++++++++++++++++++++++++++++
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src/conf/cards/Makefile.am | 3 +-
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src/conf/cards/aliases.conf | 1 +
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3 files changed, 77 insertions(+), 1 deletion(-)
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create mode 100644 src/conf/cards/AK4458.conf
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Index: alsa-lib-1.1.6/src/conf/cards/AK4458.conf
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===================================================================
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--- /dev/null
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+++ alsa-lib-1.1.6/src/conf/cards/AK4458.conf
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@@ -0,0 +1,74 @@
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+#
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+# Configuration for the AK4458 chip
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+#
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+
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+# default with dmix & dsnoop
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+AK4458.pcm.default {
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+ @args [ CARD ]
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+ @args.CARD {
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+ type string
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+ }
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+ type asym
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+ playback.pcm {
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+ type plug
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+ slave.pcm {
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+ @func concat
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+ strings [ "dmix:" $CARD ",FORMAT=S32_LE" ]
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+ }
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+ }
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+ capture.pcm {
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+ type plug
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+ slave.pcm {
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+ @func concat
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+ strings [ "dsnoop:" $CARD ",FORMAT=S32_LE" ]
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+ }
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+ }
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+}
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+
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+<confdir:pcm/surround40.conf>
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+
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+AK4458.pcm.surround40.0 {
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+ @args [ CARD ]
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+ @args.CARD {
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+ type string
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+ }
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+ type plug
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+ slave.pcm {
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+ type hw
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+ card $CARD
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+ }
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+ slave.channels 4
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+}
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+
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+
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+<confdir:pcm/surround41.conf>
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+<confdir:pcm/surround50.conf>
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+<confdir:pcm/surround51.conf>
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+
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+AK4458.pcm.surround51.0 {
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+ @args [ CARD ]
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+ @args.CARD {
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+ type string
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+ }
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+ type plug
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+ slave.pcm {
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+ type hw
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+ card $CARD
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+ }
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+ slave.channels 6
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+}
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+
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+<confdir:pcm/surround71.conf>
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+
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+AK4458.pcm.surround71.0 {
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+ @args [ CARD ]
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+ @args.CARD {
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+ type string
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+ }
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+ type plug
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+ slave.pcm {
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+ type hw
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+ card $CARD
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+ }
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+ slave.channels 8
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+}
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Index: alsa-lib-1.1.6/src/conf/cards/Makefile.am
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===================================================================
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--- alsa-lib-1.1.6.orig/src/conf/cards/Makefile.am
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+++ alsa-lib-1.1.6/src/conf/cards/Makefile.am
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@@ -60,7 +60,8 @@ cfg_files = aliases.conf \
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VXPocket.conf \
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VXPocket440.conf \
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CS42888.conf \
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- IMX-HDMI.conf
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+ IMX-HDMI.conf \
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+ AK4458.conf
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if BUILD_ALISP
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cfg_files += aliases.alisp
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Index: alsa-lib-1.1.6/src/conf/cards/aliases.conf
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===================================================================
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--- alsa-lib-1.1.6.orig/src/conf/cards/aliases.conf
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+++ alsa-lib-1.1.6/src/conf/cards/aliases.conf
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@@ -59,6 +59,7 @@ pistachio cards.pistachio-card
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VC4-HDMI cards.vc4-hdmi
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imx-cs42888 cards.CS42888
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imx-hdmi-soc cards.IMX-HDMI
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+ak4458-audio cards.AK4458
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<confdir:pcm/default.conf>
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<confdir:pcm/dmix.conf>
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