mirror of
https://github.com/alsa-project/alsa-utils
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0882d92732
This patch includes automated test scripts for linux audio driver based on alsa-lib interface by using alsabat as test tool. It supports analog and display(HDMI/DP) audio test. The package needs the alsa-utils, alsa-lib installed environment. Signed-off-by: Focus Luo <focus.luo@linux.intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
65 lines
1.6 KiB
Bash
Executable file
65 lines
1.6 KiB
Bash
Executable file
#!/bin/bash
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#/*
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# * Copyright (C) 2013-2016 Intel Corporation
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# *
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# * This program is free software; you can redistribute it and/or modify
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# * it under the terms of the GNU General Public License as published by
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# * the Free Software Foundation; either version 2 of the License, or
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# * (at your option) any later version.
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# *
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# * This program is distributed in the hope that it will be useful,
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# * but WITHOUT ANY WARRANTY; without even the implied warranty of
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# * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# * GNU General Public License for more details.
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# *
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# */
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#set -x
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subdevice_number=0
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get_subdevice=0
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#make sure the HDMI monitor is connected and active ########
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# To get HDMI audio device number
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card_number=$(aplay -l | grep "HDMI 0" | cut -b 6)
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if [ "$card_number" = "" ]; then
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echo "Can not get Display audio card."
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#failed to get Display audio card.
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exit 1
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fi
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audio_card_dir="/proc/asound/card$card_number/"
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cd $audio_card_dir
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for file in `ls`
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do
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#To get the ELD information according to the connented monitor with HDMI
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if [[ $file == eld* ]]; then
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let subdevice_number+=1
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cat $file | grep connection_type | grep HDMI > /dev/null
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if [ $? = 0 ]; then
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get_subdevice=1
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break
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fi
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fi
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done
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#failed to get the subdevice number of HDMI audio.
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if [ $get_subdevice == 0 ]; then
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exit 77
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fi
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#the subdevice number of HDMI audio is 3.
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if [ $subdevice_number == 1 ]; then
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exit 3
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#the subdevice number of HDMI audio is 7.
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elif [ $subdevice_number == 2 ]; then
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exit 7
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#the subdevice number of HDMI audio is 8.
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elif [ $subdevice_number == 3 ]; then
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exit 8
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#default: failed to get the subdevice number of HDMI audio.
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else
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exit 77
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fi
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