I am trying to enable sound with RT5651 audio codec on SoM-RK3399v2. Hardware is integrated on the board (on i2c1 bus, address 0x1a), worked with official FriendlyElec Linux (4.4 kernel IIRC) and tests were run with powered speakers (which work when connected to PC).
mpv reports no errors, but there is no sound. There is a slight pop when mpv starts playing and around 5 seconds after mpv stops playing.
Same as with speakers-test
# mpv sound.wav
(+) Audio --aid=1 (pcm_s16le 2ch 44100Hz)
xcb_connection_has_error() returned true
xcb_connection_has_error() returned true
AO: [alsa] 44100Hz stereo 2ch s16
A: 00:00:41 / 00:10:07 (6%)
Exiting... (Quit)
# speaker-test -c2
speaker-test 1.2.2
Playback device is default
Stream parameters are 48000Hz, S16_LE, 2 channels
Using 16 octaves of pink noise
xcb_connection_has_error() returned true
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 128 to 131072
Period size range from 64 to 65536
Using max buffer size 131072
Periods = 4
was set period_size = 32768
was set buffer_size = 131072
0 - Front Left
1 - Front Right
Time per period = 2.740121
0 - Front Left
^C 1 - Front Right
Time per period = 1.390964
# dmesg | tail -2
[ 326.479986] rockchip-i2s ff890000.i2s: Fail to set mclk -22
[ 326.480598] rockchip-i2s ff890000.i2s: ASoC: error at snd_soc_dai_set_sysclk on ff890000.i2s: -22
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Question
jsorocil
I am trying to enable sound with RT5651 audio codec on SoM-RK3399v2. Hardware is integrated on the board (on i2c1 bus, address 0x1a), worked with official FriendlyElec Linux (4.4 kernel IIRC) and tests were run with powered speakers (which work when connected to PC).
I used this patch to patch my current device tree:
https://github.com/armbian/build/blob/master/patch/kernel/rockchip64-dev/board-nanopi-m4v2-dts-add-sound-card.patch
I did not use Kconfig file from the patch as it seems that my kernel have has built that modules.
page 19 of NanoPI M4V2 and page 7 of SoM-RK3399 schematic shows that same audio codec (rt5651 on the same busses (I2S1 and I2C1) is used on both boards):
https://wiki.friendlyarm.com/wiki/images/c/cc/NanoPi-M4V2_1908_Schematic.pdf
https://wiki.friendlyarm.com/wiki/images/d/de/SOM-RK3399_Dev_Kit_1904_Schematic.pdf
After reboot I can see card but it didn't play any sound on the speakers (except random quite noises - which also occures in u-boot)
# dmesg | grep rt5651 [ 3.535527] rt5651 1-001a: Failed to reguest IRQ 0: -22 # uname -a Linux miki 5.10.12-rockchip64 #21.02.1 SMP PREEMPT Wed Feb 3 20:55:02 CET 2021 aarch64 aarch64 aarch64 GNU/Linux # grep -E "SND_SOC_ROCKCHIP_I2S|SND_SOC_RT5651" /boot/config-5.10.12-rockchip64 CONFIG_SND_SOC_ROCKCHIP_I2S=m CONFIG_SND_SOC_ROCKCHIP_I2S_TDM=m CONFIG_SND_SOC_RT5651=m # i2cdetect -y 1 0 1 2 3 4 5 6 7 8 9 a b c d e f 00: -- -- -- -- -- -- -- -- -- -- -- -- -- 10: -- -- -- -- -- -- -- -- -- -- UU -- -- -- -- -- 20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 30: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- 70: -- -- -- -- -- -- -- -- # cat /etc/modules snd_soc_simple_card snd_soc_rt5651 # lsmod | grep snd snd_soc_hdmi_codec 20480 1 snd_soc_rockchip_spdif 16384 0 snd_soc_rockchip_i2s 24576 4 snd_soc_rt5651 98304 1 snd_soc_rl6231 20480 1 snd_soc_rt5651 snd_soc_simple_card 24576 0 snd_soc_simple_card_utils 28672 1 snd_soc_simple_card snd_soc_core 237568 6 snd_soc_rt5651,snd_soc_hdmi_codec,snd_soc_rockchip_spdif,snd_soc_simple_card_utils,snd_soc_rockchip_i2s,snd_soc_simple_card snd_pcm_dmaengine 20480 1 snd_soc_core snd_pcm 118784 4 snd_soc_rt5651,snd_soc_hdmi_codec,snd_soc_core,snd_pcm_dmaengine snd_seq_midi 20480 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 40960 1 snd_seq_midi snd_seq 81920 2 snd_seq_midi,snd_seq_midi_event snd_seq_device 20480 3 snd_seq,snd_seq_midi,snd_rawmidi snd_timer 40960 2 snd_seq,snd_pcm snd 90112 7 snd_seq,snd_seq_device,snd_soc_hdmi_codec,snd_timer,snd_soc_core,snd_pcm,snd_rawmidi soundcore 16384 1 snd # aplay -l **** List of PLAYBACK Hardware Devices **** xcb_connection_has_error() returned true card 0: realtekrt5651co [realtek,rt5651-codec], device 0: ff890000.i2s-rt5651-aif1 rt5651-aif1-0 [ff890000.i2s-rt5651-aif1 rt5651-aif1-0] Subdevices: 1/1 Subdevice #0: subdevice #0 card 1: hdmisound [hdmi-sound], device 0: ff8a0000.i2s-i2s-hifi i2s-hifi-0 [ff8a0000.i2s-i2s-hifi i2s-hifi-0] Subdevices: 1/1 Subdevice #0: subdevice #0 # cat /etc/asound.conf pcm.!default { type hw card 0 device 0 } ctl.!default { type hw card 0 } # cat /proc/asound/pcm 00-00: ff890000.i2s-rt5651-aif1 rt5651-aif1-0 : ff890000.i2s-rt5651-aif1 rt5651-aif1-0 : playback 1 : capture 1 01-00: ff8a0000.i2s-i2s-hifi i2s-hifi-0 : ff8a0000.i2s-i2s-hifi i2s-hifi-0 : playback 1mpv reports no errors, but there is no sound. There is a slight pop when mpv starts playing and around 5 seconds after mpv stops playing.
Same as with speakers-test
Maybe I have invalid I2S clock?
Tried various amixer set commands and alsactl files from other threads but still no sound.
Any ideas what might be the problem?
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