This bug affects me, albeit with another chip that used to work with kernel 5.15 from Ubuntu 22.04
dmesg output: ``` [ 5.641569] Bluetooth: hci0: BCM: chip id 110 [ 5.642558] Bluetooth: hci0: BCM: features 0x2f [ 5.658564] Bluetooth: hci0: BCM4350C5 [ 5.658570] Bluetooth: hci0: BCM4350C5 (003.006.007) build 0000 [ 5.661596] Bluetooth: hci0: BCM4350C5 'brcm/BCM-0a5c-6412.hcd' Patch [ 5.682015] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4350-pcie for chip BCM4350/8 [ 5.682301] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac4350-pcie.Dell Inc.-XPS 13 9350.bin failed with error -2 [ 5.684268] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac4350-pcie.Dell Inc.-XPS 13 9350.txt failed with error -2 [ 5.684313] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac4350-pcie.txt failed with error -2 [ 5.879989] psmouse serio1: synaptics: Unable to query device: -5 [ 5.974249] input: Dell WMI hotkeys as /devices/platform/PNP0C14:01/wmi_bus/wmi_bus-PNP0C14:01/9DBB5994-A997-11DA-B012-B622A1EF5492/input/input17 [ 6.021264] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac4350-pcie for chip BCM4350/8 [ 6.021313] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available [ 6.021581] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM4350/8 wl0: Oct 22 2015 06:16:26 version 7.35.180.119 (r594535) FWID 01-e791c176 [ 6.032590] _ART package 0 is invalid, ignored [ 6.032614] _ART package 0 is invalid, ignored [ 6.076145] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040380 [ 6.076154] snd_hda_intel 0000:00:1f.3: NHLT table not found [ 6.076170] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002) [ 6.076481] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915]) [ 6.310307] intel_tcc_cooling: Programmable TCC Offset detected [ 6.316550] Bluetooth: hci0: Dell DW1820A [ 6.316558] Bluetooth: hci0: BCM4350C5 (003.006.007) build 1703 ```
This bug affects me, albeit with another chip that used to work with kernel 5.15 from Ubuntu 22.04
dmesg output: 0a5c-6412. hcd' Patch alloc_request: using brcm/brcmfmac43 50-pcie for chip BCM4350/8 50-pcie. Dell Inc.-XPS 13 9350.bin failed with error -2 50-pcie. Dell Inc.-XPS 13 9350.txt failed with error -2 50-pcie. txt failed with error -2 platform/ PNP0C14: 01/wmi_ bus/wmi_ bus-PNP0C14: 01/9DBB5994- A997-11DA- B012-B622A1EF54 92/input/ input17 alloc_request: using brcm/brcmfmac43 50-pcie for chip BCM4350/8 process_ clm_blob: no clm_blob available (err=-2), device may have limited channels available preinit_ dcmds: Firmware: BCM4350/8 wl0: Oct 22 2015 06:16:26 version 7.35.180.119 (r594535) FWID 01-e791c176 prog-if info 0x040380 component_ bind_ops [i915])
```
[ 5.641569] Bluetooth: hci0: BCM: chip id 110
[ 5.642558] Bluetooth: hci0: BCM: features 0x2f
[ 5.658564] Bluetooth: hci0: BCM4350C5
[ 5.658570] Bluetooth: hci0: BCM4350C5 (003.006.007) build 0000
[ 5.661596] Bluetooth: hci0: BCM4350C5 'brcm/BCM-
[ 5.682015] brcmfmac: brcmf_fw_
[ 5.682301] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac43
[ 5.684268] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac43
[ 5.684313] brcmfmac 0000:3a:00.0: Direct firmware load for brcm/brcmfmac43
[ 5.879989] psmouse serio1: synaptics: Unable to query device: -5
[ 5.974249] input: Dell WMI hotkeys as /devices/
[ 6.021264] brcmfmac: brcmf_fw_
[ 6.021313] brcmfmac: brcmf_c_
[ 6.021581] brcmfmac: brcmf_c_
[ 6.032590] _ART package 0 is invalid, ignored
[ 6.032614] _ART package 0 is invalid, ignored
[ 6.076145] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/
[ 6.076154] snd_hda_intel 0000:00:1f.3: NHLT table not found
[ 6.076170] snd_hda_intel 0000:00:1f.3: enabling device (0000 -> 0002)
[ 6.076481] snd_hda_intel 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_
[ 6.310307] intel_tcc_cooling: Programmable TCC Offset detected
[ 6.316550] Bluetooth: hci0: Dell DW1820A
[ 6.316558] Bluetooth: hci0: BCM4350C5 (003.006.007) build 1703
```