Description of problem: Sound is muted from Plantronics Bluetooth mic/speaker [22565.276064] hid-generic 0003:047F:0417.0004: hiddev0,hidraw3: USB HID v1.11 Device [Plantronics Plantronics BT300C] on usb-0000:00:1d.0-1.1/input3 [22565.311430] input: Plantronics Plantronics BT300C as /devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1/2-1.1:1.4/input/input21 [22565.312232] hid-generic 0003:047F:0417.0005: input,hidraw4: USB HID v1.11 Device [Plantronics Plantronics BT300C] on usb-0000:00:1d.0-1.1/input4 [22566.404294] ALSA sound/usb/mixer.c:1303 usb_audio: Warning! Unlikely big volume range (=720), cval->res is probably wrong. [22566.404304] ALSA sound/usb/mixer.c:1307 usb_audio: [5] FU [PCM Playback Volume] ch = 1, val = -10240/1280/16 [22566.406770] usbcore: registered new interface driver snd-usb-audio Version-Release number of selected component (if applicable): alsa-lib-1.0.27.2-2.fc20.x86_64 How reproducible: Always Additional info: I think it should require the same kind of patch as has been submitted here: http://ubuntu.5.x6.nabble.com/3-5-y-z-extended-stable-Patch-quot-ALSA-usb-audio-Fix-invalid-volume-resolution-on-Logitech-quot-hase-td5028845.html
Created attachment 868501 [details] pactl.list output of "pactl list"
Created attachment 868502 [details] pulseaudio verbose log
I might have the same bug. Plantronics C320-M - worked fine until some days ago. Does not work with 3.18.7-200.fc21.x86_64 I can hear no sound through the device - micriphone is working fine. kernel: usb 1-2: new full-speed USB device number 3 using xhci_hcd kernel: usb 1-2: New USB device found, idVendor=047f, idProduct=c025 kernel: usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 kernel: usb 1-2: Product: Plantronics C320-M kernel: usb 1-2: Manufacturer: Plantronics kernel: usb 1-2: SerialNumber: 9458326888820E4E9332125D283F6464 kernel: usb 1-2: Warning! Unlikely big volume range (=8192), cval->res is probably wrong. kernel: usb 1-2: [11] FU [Sidetone Playback Volume] ch = 1, val = 0/8192/1 kernel: input: Plantronics Plantronics C320-M as /devices/pci0000:00/0000:00:1c.7/0000:05:00.0/usb1/1-2/1-2:1.3/0003:047F:C025.0004/input/input26 kernel: hid-generic 0003:047F:C025.0004: input,hiddev0,hidraw1: USB HID v1.11 Device [Plantronics Plantronics C320-M] on usb-0000:05:00.0-2/input3 mtp-probe[3081]: checking bus 1, device 3: "/sys/devices/pci0000:00/0000:00:1c.7/0000:05:00.0/usb1/1-2" mtp-probe[3081]: bus: 1, device: 3 was not an MTP device gdm-Xorg-:0[1471]: (II) config/udev: Adding input device Plantronics Plantronics C320-M (/dev/input/event18) gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: Applying InputClass "evdev keyboard catchall" gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: Applying InputClass "system-keyboard" gdm-Xorg-:0[1471]: (II) Using input driver 'evdev' for 'Plantronics Plantronics C320-M' gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: always reports core events gdm-Xorg-:0[1471]: (**) evdev: Plantronics Plantronics C320-M: Device: "/dev/input/event18" gdm-Xorg-:0[1471]: (--) evdev: Plantronics Plantronics C320-M: Vendor 0x47f Product 0xc025 gdm-Xorg-:0[1471]: (--) evdev: Plantronics Plantronics C320-M: Found 12 mouse buttons gdm-Xorg-:0[1471]: (--) evdev: Plantronics Plantronics C320-M: Found absolute axes gdm-Xorg-:0[1471]: (--) evdev: Plantronics Plantronics C320-M: Found absolute multitouch axes gdm-Xorg-:0[1471]: (--) evdev: Plantronics Plantronics C320-M: Found keys gdm-Xorg-:0[1471]: (II) evdev: Plantronics Plantronics C320-M: Forcing relative x/y axes to exist. gdm-Xorg-:0[1471]: (II) evdev: Plantronics Plantronics C320-M: Configuring as mouse gdm-Xorg-:0[1471]: (II) evdev: Plantronics Plantronics C320-M: Configuring as keyboard gdm-Xorg-:0[1471]: (**) evdev: Plantronics Plantronics C320-M: YAxisMapping: buttons 4 and 5 gdm-Xorg-:0[1471]: (**) evdev: Plantronics Plantronics C320-M: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 gdm-Xorg-:0[1471]: (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1c.7/0000:05:00.0/usb1/1-2/1-2:1.3/0003:047F:C025.0004/input/input26/event18" gdm-Xorg-:0[1471]: (II) XINPUT: Adding extended input device "Plantronics Plantronics C320-M" (type: KEYBOARD, id 14) gdm-Xorg-:0[1471]: (**) Option "xkb_rules" "evdev" gdm-Xorg-:0[1471]: (**) Option "xkb_model" "pc104" gdm-Xorg-:0[1471]: (**) Option "xkb_layout" "pl" gdm-Xorg-:0[1471]: (EE) BUG: triggered 'if (axnum >= dev->valuator->numAxes)' gdm-Xorg-:0[1471]: (EE) BUG: exevents.c:2086 in InitValuatorAxisStruct() gdm-Xorg-:0[1471]: (EE) gdm-Xorg-:0[1471]: (EE) Backtrace: gdm-Xorg-:0[1471]: (EE) 0: /usr/libexec/Xorg.bin (InitValuatorAxisStruct+0x67) [0x527767] gdm-Xorg-:0[1471]: (EE) 1: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x1ee0) [0x7f0b6c3427b0] gdm-Xorg-:0[1471]: (EE) 2: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x237e) [0x7f0b6c34373e] gdm-Xorg-:0[1471]: (EE) 3: /usr/lib64/xorg/modules/input/evdev_drv.so (_init+0x4000) [0x7f0b6c346cb0] gdm-Xorg-:0[1471]: (EE) 4: /usr/libexec/Xorg.bin (ActivateDevice+0x4a) [0x42e13a] gdm-Xorg-:0[1471]: (EE) 5: /usr/libexec/Xorg.bin (xf86DeleteInput+0x359) [0x4867d9] gdm-Xorg-:0[1471]: (EE) 6: /usr/libexec/Xorg.bin (config_fini+0x12cb) [0x49e0cb] gdm-Xorg-:0[1471]: (EE) 7: /usr/libexec/Xorg.bin (config_fini+0x1688) [0x49ef38] gdm-Xorg-:0[1471]: (EE) 8: /usr/libexec/Xorg.bin (WakeupHandler+0x6b) [0x43de1b] gdm-Xorg-:0[1471]: (EE) 9: /usr/libexec/Xorg.bin (WaitForSomething+0x1c7) [0x595917] gdm-Xorg-:0[1471]: (EE) 10: /usr/libexec/Xorg.bin (SendErrorToClient+0x111) [0x438fd1] gdm-Xorg-:0[1471]: (EE) 11: /usr/libexec/Xorg.bin (remove_fs_handlers+0x416) [0x43d316] gdm-Xorg-:0[1471]: (EE) 12: /lib64/libc.so.6 (__libc_start_main+0xf0) [0x7f0b73d62fe0] gdm-Xorg-:0[1471]: (EE) 13: /usr/libexec/Xorg.bin (_start+0x29) [0x4276ee] gdm-Xorg-:0[1471]: (EE) 14: ? (?+0x29) [0x29] gdm-Xorg-:0[1471]: (EE) gdm-Xorg-:0[1471]: (II) evdev: Plantronics Plantronics C320-M: initialized for absolute axes. gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: (accel) keeping acceleration scheme 1 gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: (accel) acceleration profile 0 gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: (accel) acceleration factor: 2.000 gdm-Xorg-:0[1471]: (**) Plantronics Plantronics C320-M: (accel) acceleration threshold: 4 rtkit-daemon[891]: Supervising 4 threads of 1 processes of 1 users. rtkit-daemon[891]: Successfully made thread 3105 of process 1673 (/usr/bin/pulseaudio) owned by '1000' RT at priority 5. rtkit-daemon[891]: Supervising 5 threads of 1 processes of 1 users. rtkit-daemon[891]: Supervising 5 threads of 1 processes of 1 users. rtkit-daemon[891]: Successfully made thread 3108 of process 1673 (/usr/bin/pulseaudio) owned by '1000' RT at priority 5. rtkit-daemon[891]: Supervising 6 threads of 1 processes of 1 users. pulseaudio[1673]: ALSA woke us up to write new data to the device, but there was actually nothing to write! pulseaudio[1673]: Most likely this is a bug in the ALSA driver 'snd_usb_audio'. Please report this issue to the ALSA developers. pulseaudio[1673]: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
USB Mixer: usb_id=0x047f0415, ctrlif=0, ctlerr=0 Card: Plantronics Plantronics BT300 at usb-0000:00:1a.0-1.5, full speed Unit: 2 Control: name="Mic Capture Volume", index=0 Info: id=2, control=2, cmask=0x0, channels=1, type="S16" Volume: min=4096, max=7936, dBmin=1600, dBmax=3100 Unit: 2 Control: name="Mic Capture Switch", index=0 Info: id=2, control=1, cmask=0x0, channels=1, type="INV_BOOLEAN" Volume: min=0, max=1, dBmin=0, dBmax=0 Unit: 5 Control: name="PCM Playback Volume", index=0 Info: id=5, control=2, cmask=0x0, channels=1, type="S16" Volume: min=-10240, max=1280, dBmin=-4000, dBmax=500 (dBmax - dBmin)/(max - min) is too small, you need to increase cval->res which reduce the number of step between min and max
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