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Hello fellow archers,
When headphones or anything are plugged into the JACK socket, "/dev/input/event11 HDA Intel PCH Headphone" generates an EV_KEY (KEY_PLAYPAUSE) event periodically each 10-13 seconds. When a plug is unplugged from the JACK socket the problem stops. It's annoying when I'm working in a terminal and every few seconds a string representing KEY_PLAYPAUSE appears, which I then have to delete. The problem started a few months ago after a system upgrade. I can't pinpoint the exact moment, nor the kernel version I had at the time. At first I tried to fix it myself, but it was a bit overwhelming. Has anyone ever encountered similar issue?
-> sudo evtest
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0: Lid Switch
/dev/input/event1: Power Button
/dev/input/event10: HDA Intel PCH Mic
/dev/input/event11: HDA Intel PCH Headphone
/dev/input/event12: HDA Intel PCH HDMI/DP,pcm=3
/dev/input/event13: HDA Intel PCH HDMI/DP,pcm=7
/dev/input/event14: HDA Intel PCH HDMI/DP,pcm=8
/dev/input/event15: SynPS/2 Synaptics TouchPad
/dev/input/event16: Logitech G502 HERO Gaming Mouse
/dev/input/event17: Logitech G502 HERO Gaming Mouse Keyboard
/dev/input/event18: SONiX USB DEVICE
/dev/input/event19: SONiX USB DEVICE Keyboard
/dev/input/event2: Sleep Button
/dev/input/event20: Sound Blaster JAM (AVRCP)
/dev/input/event3: Power Button
/dev/input/event4: AT Translated Set 2 keyboard
/dev/input/event5: Logitech M705
/dev/input/event6: Video Bus
/dev/input/event7: PC Speaker
/dev/input/event8: Ideapad extra buttons
/dev/input/event9: Video Bus
Select the device event number [0-20]: 11
Input driver version is 1.0.1
Input device ID: bus 0x0 vendor 0x0 product 0x0 version 0x0
Input device name: "HDA Intel PCH Headphone"
Supported events:
Event type 0 (EV_SYN)
Event type 1 (EV_KEY)
Event code 114 (KEY_VOLUMEDOWN)
Event code 115 (KEY_VOLUMEUP)
Event code 164 (KEY_PLAYPAUSE)
Event code 582 (KEY_VOICECOMMAND)
Event type 5 (EV_SW)
Event code 2 (SW_HEADPHONE_INSERT) state 1
Properties:
Testing ... (interrupt to exit)
Event: time 1725658570.200841, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 1
Event: time 1725658570.200841, -------------- SYN_REPORT ------------
Event: time 1725658570.200854, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0
Event: time 1725658570.200854, -------------- SYN_REPORT ------------
^[[57428uEvent: time 1725658583.834294, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 1
Event: time 1725658583.834294, -------------- SYN_REPORT ------------
Event: time 1725658583.834305, type 1 (EV_KEY), code 164 (KEY_PLAYPAUSE), value 0
Event: time 1725658583.834305, -------------- SYN_REPORT ------------
^[[57428u^C -> uname -a
Linux black 6.10.6-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 19 Aug 2024 17:02:39 +0000 x86_64 GNU/Linux -> lsmod | grep hda
snd_hda_codec_hdmi 98304 1
snd_soc_hda_codec 28672 1 snd_soc_avs
snd_hda_codec_realtek 208896 1
snd_hda_ext_core 36864 2 snd_soc_avs,snd_soc_hda_codec
snd_hda_codec_generic 110592 1 snd_hda_codec_realtek
snd_soc_core 458752 2 snd_soc_avs,snd_soc_hda_codec
snd_hda_scodec_component 20480 1 snd_hda_codec_realtek
snd_hda_intel 65536 1
snd_intel_dspcfg 40960 2 snd_soc_avs,snd_hda_intel
snd_hda_codec 212992 6 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_codec_realtek
snd_hda_core 147456 8 snd_hda_codec_generic,snd_soc_avs,snd_hda_codec_hdmi,snd_soc_hda_codec,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_hda_codec_realtek
snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
snd_pcm 200704 9 snd_soc_avs,snd_hda_codec_hdmi,snd_hda_intel,snd_usb_audio,snd_hda_codec,snd_compress,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
snd 155648 20 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_compress,snd_soc_core,snd_ump,snd_pcm,snd_rawmidi -> inxi -F
System:
Host: black Kernel: 6.10.6-arch1-1 arch: x86_64 bits: 64
Desktop: bspwm v: 0.9.10 Distro: Arch Linux
Machine:
Type: Laptop System: LENOVO product: 80NV v: Lenovo ideapad Y700-15ISK
serial: <superuser required>
Mobo: LENOVO model: Allsparks 5A v: NO DPK serial: <superuser required>
UEFI: LENOVO v: CDCN53WW date: 09/19/2016
Battery:
ID-1: BAT0 charge: 25.1 Wh (100.0%) condition: 25.1/60.0 Wh (41.8%)
CPU:
Info: quad core model: Intel Core i7-6700HQ bits: 64 type: MT MCP cache:
L2: 1024 KiB
Speed (MHz): avg: 799 min/max: 800/3500 cores: 1: 800 2: 800 3: 800 4: 800
5: 800 6: 799 7: 800 8: 800
Graphics:
Device-1: Intel HD Graphics 530 driver: i915 v: kernel
Device-2: NVIDIA GM107M [GeForce GTX 960M] driver: nvidia v: 560.35.03
Device-3: Intel RealSense 3D Camera (Front F200) driver: uvcvideo
type: USB
Display: unspecified server: X.Org v: 21.1.13 with: Xwayland v: 24.1.2
driver: X: loaded: intel,nvidia unloaded: modesetting dri: i965 gpu: i915
resolution: 1: 1920x1200~60Hz 2: 1920x1080~60Hz
API: EGL v: 1.5 drivers: iris,nvidia,swrast
platforms: gbm,x11,surfaceless,device
API: OpenGL v: 4.6.0 compat-v: 4.5 vendor: intel mesa v: 24.2.2-arch1.1
renderer: Mesa Intel HD Graphics 530 (SKL GT2)
API: Vulkan v: 1.3.279 drivers: nvidia surfaces: xcb,xlib
Audio:
Device-1: Intel 100 Series/C230 Series Family HD Audio driver: snd_hda_intel
API: ALSA v: k6.10.6-arch1-1 status: kernel-api
Server-1: PipeWire v: 1.2.3 status: active
Network:
Device-1: Intel Wireless 8260 driver: iwlwifi
Device-2: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
driver: r8169
Bluetooth:
Device-1: Intel Bluetooth wireless interface driver: btusb type: USB
Report: btmgmt ID: hci0 state: up address: hidden bt-v: 4.2
Drives:
Local Storage: total: 1.36 TiB used: 367.43 GiB (26.3%)
ID-1: /dev/nvme0n1 vendor: Crucial model: CT500P5SSD8 size: 465.76 GiB
ID-2: /dev/sda vendor: Western Digital model: WD10SPCX-24HWST1
size: 931.51 GiB
Partition:
ID-1: / size: 438.68 GiB used: 366.67 GiB (83.6%) fs: ext4
dev: /dev/nvme0n1p3
Swap:
ID-1: swap-1 type: partition size: 16 GiB used: 783.5 MiB (4.8%)
dev: /dev/nvme0n1p2
Sensors:
System Temperatures: cpu: 36.0 C mobo: N/A
Fan Speeds (rpm): N/A
Info:
Memory: total: 8 GiB available: 7.59 GiB used: 4.01 GiB (52.8%)
Processes: 277 Uptime: 12h 38m Shell: Zsh inxi: 3.3.35Last edited by bluesinx (2024-09-07 20:18:06)
Offline
I found the solution. The issue lies in power saving settings of snd_hda_intel module. When I checked its parameters, it has shown me power_save = "10". After changing this setting to "0", the problem with cyclic KEY_PLAYPAUSE key press disappeared.
-> systool -vm snd_hda_intel
Module = "snd_hda_intel"
Attributes:
coresize = "65536"
initsize = "0"
initstate = "live"
refcnt = "1"
srcversion = "hidden"
taint = ""
uevent = <store method only>
Parameters:
align_buffer_size = "-1"
bdl_pos_adj = "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1"
beep_mode = "N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N,N"
ctl_dev_id = "N"
dmic_detect = "Y"
enable_msi = "-1"
enable = "Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y,Y"
id = "(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)"
index = "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1"
jackpoll_ms = "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0"
model = "(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)"
patch = "(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null),(null)"
pm_blacklist = "Y"
position_fix = "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1"
power_save = "10"
power_save_controller= "Y"
probe_mask = "-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1"
probe_only = "0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0"
single_cmd = "-1"
snoop = "-1"
Sections:I created /etc/modprobe.d/disable_power_save_snd_hda_intel.conf with the following content and restarted the computer, which reloaded snd_hda_intel module and solved the problem.
options snd_hda_intel power_save=0Offline