dmesg logs - 
[   20.025574] EXT4-fs (mmcblk0p4): mounted filesystem with ordered data mode. Opts: (null)
[   20.759913] [BT_RFKILL]: rfkill_rk_set_power: set bt wake_host high!
[   20.833095] [BT_RFKILL]: rfkill_rk_set_power: set bt wake_host input!
[   20.833138] [BT_RFKILL]: ENABLE UART_RTS
[   20.953073] [BT_RFKILL]: DISABLE UART_RTS
[   20.953136] [BT_RFKILL]: bt turn on power
[   20.953164] [BT_RFKILL]: Request irq for bt wakeup host
[   20.953197] [BT_RFKILL]: ** disable irq
[   21.454667] file system registered
[   21.495091] dw-apb-uart ff180000.serial: failed to request DMA, use interrupt mode
[   21.911196] rk_gmac-dwmac fe300000.ethernet eth0: PHY [stmmac-0:00] driver [RTL8211E Gigabit Ethernet] (irq=POLL)
[   21.923017] rk_gmac-dwmac fe300000.ethernet eth0: No Safety Features support found
[   21.923048] rk_gmac-dwmac fe300000.ethernet eth0: PTP not supported by HW
[   21.926861] rk_gmac-dwmac fe300000.ethernet eth0: configuring for phy/rgmii link mode
[   22.103192] Bluetooth: h5_open
[   22.103205] Bluetooth: hci_uart_register_dev
[   22.103859] rtk_btcoex: Open BTCOEX
[   22.122379] rtk_btcoex: BTCOEX hci_rev 0xf7c6
[   22.122467] rtk_btcoex: BTCOEX lmp_subver 0xda50
[   22.460876] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   22.460903] Bluetooth: BNEP socket layer initialized
[   22.860800] rockchip-mipi-dphy-rx ff968000.mipi-dphy-tx1rx1: stream on:1
[   22.860836] rockchip-mipi-dphy-rx: data_rate_mbps 1400
[   24.364129] ttyFIQ ttyFIQ0: tty_port_close_start: tty->count = 1 port count = 2
[   26.093515] rk_gmac-dwmac fe300000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[   26.093540] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[   28.291224] Bluetooth: RFCOMM socket layer initialized
[   28.291266] Bluetooth: RFCOMM ver 1.11
[   35.107706] periplex_bus: periplex_id register 0
[   35.108223] periplex_uart: ttyPERI are successfully inserted...
[   35.177814] periplex_gpio: Allocate IRQ domain for 1
[   35.177827] periplex_bus: periplex_id register 1
[   35.178374] periplex_gpio: GPIO driver is inserted successfully...500
[   35.248579] Driver for 1-wire Dallas network protocol.
[   43.335498] hrtimer: interrupt took 3151890 ns
[  329.903636] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[  329.903667] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[  732.115502] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[  732.115533] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[  999.621067] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[  999.621091] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[ 1448.034234] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[ 1448.034261] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[ 1581.722192] rk_gmac-dwmac fe300000.ethernet eth0: Link is Down
[ 1600.440633] rk_gmac-dwmac fe300000.ethernet eth0: Link is Up - 10Mbps/Full - flow control off
[ 1601.480156] rk_gmac-dwmac fe300000.ethernet eth0: Link is Down
[ 1604.599830] rk_gmac-dwmac fe300000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[ 2306.516768] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[ 2306.516809] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[ 2756.167350] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2756.427466] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2756.697423] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2756.957402] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2757.217384] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2757.477408] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2757.737585] Bluetooth: hu 00000000dd0b8b07 retransmitting 1 pkts
[ 2757.957306] Bluetooth: hci0: command 0x0c24 tx timeout
[ 2757.996975] Bluetooth: hu 00000000dd0b8b07 retransmitting 2 pkts
[ 3500.257209] rk_gmac-dwmac fe300000.ethernet eth0: Link is Down
[ 3507.536320] rk_gmac-dwmac fe300000.ethernet eth0: Link is Up - 1Gbps/Full - flow control rx/tx
[ 3713.193844] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[ 3713.193876] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22
[ 4195.919409] hdmi-audio-codec hdmi-audio-codec.3.auto: hdmi_codec_startup doesn't support capture
[ 4195.919446] hdmi-audio-codec hdmi-audio-codec.3.auto: ASoC: error at snd_soc_dai_startup on i2s-hifi: -22


vicharak@vicharak:~/audio-player/audio-player/build$ sudo systemctl status periplexer
● periplexer.service - Periplexer Service
     Loaded: loaded (/etc/systemd/system/periplexer.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2026-03-20 14:58:06 IST; 1h 17min ago
    Process: 1769 ExecStartPre=/usr/bin/sleep 3 (code=exited, status=0/SUCCESS)
   Main PID: 2140 (periplexer)
      Tasks: 7 (limit: 2283)
     Memory: 11.4M
        CPU: 3.426s
     CGroup: /system.slice/periplexer.service
             └─2140 /usr/bin/periplexer
vicharak@vicharak:~/audio-player/audio-player/build$ sudo systemctl status rah
● rah.service - Rah Service
     Loaded: loaded (/etc/systemd/system/rah.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2026-03-20 14:57:59 IST; 1h 17min ago
   Main PID: 1499 (rah_service)
      Tasks: 3 (limit: 2283)
     Memory: 836.0K
        CPU: 125ms
     CGroup: /system.slice/rah.service
             └─1499 /usr/bin/rah_service

Mar 20 14:57:59 vicharak rah_service[1499]: using card '/dev/dri/card0'
Mar 20 14:57:59 vicharak rah_service[1499]: mode for connector 139 is 320x240