Audio Test - Advantech ROM-5720 User Manual

4.1.1.3 Dual Display
Connect HDMI and MIPI-DSI to HDMI cable
setenv mmcargs setenv bootargs ${jh_clk} console=${console} modprobe.black-
list=${modprobe.blacklist} root=${mmcroot}
setenv fdt_file adv-imx8mq-rom5720-a1-dual-display.dtb
Then weston will show on MIPI-DSI to HDMI
Playback video on MIPI-DSIto HDMI
gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec !
waylandsink
Playback video on HDMI
gst-launch-1.0 filesrc location=HDMI.mp4 ! qtdemux ! h264parse ! vpudec !
kmssink
4.1.2

Audio Test

Check audio codec
# cat /proc/asound/cards
0 [sgtl5000
1 [imxaudiohdmi
HDMI Audio
Connect headphone on HDMI monitor
# aplay -D plughw:1,0 /unit_tests/Audio/sample_22_frames.mp3
Audio Codec(SGTL5000)
Connect Audio daughter board (ROM-EG51 ) on I2S_CN3 of ROM-DB5901 carrier
board.
Set MIC and headphone
# amixer set Mic 100%
Simple mixer control 'Mic',0
Capabilities: volume volume-joined
Playback channels: Mono
Capture channels: Mono
Limits: 0 - 3
Mono: 3 [100%] [40.00dB]
#amixer set Headphone 100%
Simple mixer control 'Headphone',0
Capabilities: pvolume pswitch pswitch-joined
Playback channels: Front Left - Front Right
Limits: Playback 0 - 127
Mono:
Front Left: Playback 127 [100%] [12.00dB] [on]
Front Right: Playback 127 [100%] [12.00dB] [on]
ROM-5720 User Manual
]: sgtl5000 - sgtl5000
sgtl5000
]: imx-audio-hdmi - imx-audio-hdmi
imx-audio-hdmi
18