linux-kernel - Warning! Unlikely big volume range (=9234), cval->res is probably wrong. (Dell XPS 13 9360 and Plantronics Blackwire 315.1

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Date: Wed, 14 Feb 2024 15:53:03 +0100
From: Paul Menzel <pmenzel@...gen.mpg.de>
To: Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-sound@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Warning! Unlikely big volume range (=9234), cval->res is probably
 wrong. (Dell XPS 13 9360 and Plantronics Blackwire 315.1

Dear Linux folks,


On the Dell XPS 13 9360, plugging in a USB headset, I saw the warning 
below the first time since using the devices since December 2023.

```
$ sudo dmesg | grep -e "DMI:" -e "Linux version" -e microcode
[    0.000000] Linux version 6.8.0-rc4 
(build@...emianrhapsody.molgen.mpg.de) (gcc (Debian 13.2.0-13) 13.2.0, 
GNU ld (GNU Binutils for Debian) 2.42) #20 SMP PREEMPT_DYNAMIC Mon Feb 
12 09:40:49 CET 2024
[    0.000000] DMI: Dell Inc. XPS 13 9360/0596KF, BIOS 2.21.0 06/02/2022
[    0.386024] microcode: Current revision: 0x000000f4
[    0.386026] microcode: Updated early from: 0x000000f0
[…]
[88628.500854] usb 1-2: new full-speed USB device number 11 using xhci_hcd
[88628.723620] usb 1-2: New USB device found, idVendor=047f, 
idProduct=c037, bcdDevice= 1.45
[88628.723627] usb 1-2: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
[88628.723629] usb 1-2: Product: Plantronics Blackwire 315.1
[88628.723631] usb 1-2: Manufacturer: Plantronics
[88628.723633] usb 1-2: SerialNumber: F3D422B734B3EC4CAF12EA236AFCB5EA
[88628.794126] input: Plantronics Plantronics Blackwire 315.1 Consumer 
Control as 
/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.3/0003:047F:C037.000F/input/input67
[88628.853158] input: Plantronics Plantronics Blackwire 315.1 as 
/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.3/0003:047F:C037.000F/input/input68
[88628.853253] input: Plantronics Plantronics Blackwire 315.1 as 
/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.3/0003:047F:C037.000F/input/input69
[88628.853428] hid-generic 0003:047F:C037.000F: input,hiddev1,hidraw2: 
USB HID v1.11 Device [Plantronics Plantronics Blackwire 315.1] on 
usb-0000:00:14.0-2/input3
[88628.853447] probe of 0003:047F:C037.000F returned 0 after 59756 usecs
[88628.853463] probe of 1-2:1.3 returned 0 after 127842 usecs
[88628.853491] probe of 1-2 returned 0 after 129625 usecs
[88628.892691] calling  alsa_rawmidi_init+0x0/0xff0 [snd_rawmidi] @ 117168
[88628.892707] initcall alsa_rawmidi_init+0x0/0xff0 [snd_rawmidi] 
returned 0 after 1 usecs
[88628.964882] calling  usb_audio_driver_init+0x0/0xff0 [snd_usb_audio] 
@ 117168
[88629.840845] usb 1-2: Warning! Unlikely big volume range (=9234), 
cval->res is probably wrong.
[88629.840850] usb 1-2: [11] FU [Sidetone Playback Volume] ch = 1, val = 
0/9234/1
[88630.401192] probe of 1-2:1.0 returned 0 after 1436245 usecs
[88630.401216] usbcore: registered new interface driver snd-usb-audio
[88630.401219] initcall usb_audio_driver_init+0x0/0xff0 [snd_usb_audio] 
returned 0 after 1436302 usecs
[89546.685992] usb 1-2: USB disconnect, device number 11
```

(`/sbin/alsa-info` [1])

I am unable to reproduce this. Is that a problem with the headset, the 
laptop or something else?

Looking at the archive of Linux messages archive of *Hardware for Linux* 
[1], the message shows up quite often.


Kind regards,

Paul


[1]: https://alsa-project.org/db/?f=3dc36e15c0cd57e299a119fb0b5b1ad6ed78e898
[2]: https://github.com/linuxhw/Dmesg