#!/bin/sh
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#
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# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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#
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# Collect information about the audio system from top to bottom.
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dump_cards() {
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for card in ${@}
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do
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echo '=== amixer -c' $card scontents '==='
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amixer -c $card scontents
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echo '=== amixer -c' $card contents '==='
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amixer -c $card contents
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done
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}
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echo '=== cras_test_client --dump_server_info ==='
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cras_test_client --dump_server_info
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echo '=== cras_test_client --dump_audio_thread ==='
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cras_test_client --dump_audio_thread
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echo '=== cras_test_client --dump_events ==='
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cras_test_client --dump_events
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echo '=== aplay -l ==='
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aplay -l
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echo '=== arecord -l ==='
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arecord -l
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output_cards=$(aplay -l | egrep ^card | sed 's/card \([0-9]\+\).*/\1/' | sort -u)
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dump_cards $output_cards
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input_cards=$(arecord -l | egrep ^card | sed 's/card \([0-9]\+\).*/\1/' | sort -u)
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dump_cards $input_cards
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# HDA codec for codecs on x86.
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codecs=$(find /proc/asound -mindepth 2 -maxdepth 2 -path '*card*/codec#*')
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for codec in $codecs
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do
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echo '=== codec:' $codec '==='
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cat $codec
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done
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# I2C dump for codecs on arm.
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# Find lines like "max98088.7-0010" and extract "7 0x0010" from it.
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if [ -e /sys/kernel/debug/asoc/codecs ]; then
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sed_expr='s/^\([^.-]\+\)\.\([0-9]\+\)-\([0-9]\+\)$/\2 0x\3/p'
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sed -n "$sed_expr" /sys/kernel/debug/asoc/codecs |
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while read i2c_addr
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do
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echo '===' i2cdump -f -y $i2c_addr '==='
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i2cdump -f -y $i2c_addr
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done
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fi
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