Broadcom wifi problem

To get the broadcom wifi running on Leap 15.x my notes indicated install broadcom-wp-kmp-default from the packman repositories; if I recall correctly that is all that I did. I have done this under Leap 16 and no wifi.

lspci -v

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: hsw_uncore

00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b) (prog-if 00 [VGA controller])
        DeviceName: Intel(R) Graphics GT2
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 46
        Memory at b2000000 (64-bit, non-prefetchable) [size=4M]
        Memory at a0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at 5000 [size=64]
        Expansion ROM at 000c0000 [virtual] [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 49
        Memory at b2610000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:14.0 USB controller: Intel Corporation 8 Series USB xHCI HC (rev 04) (prog-if 30 [XHCI])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, medium devsel, latency 0, IRQ 44
        Memory at b2600000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci

00:16.0 Communication controller: Intel Corporation 8 Series HECI #0 (rev 04)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 47
        Memory at b2618000 (64-bit, non-prefetchable) [size=32]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

00:1b.0 Audio device: Intel Corporation 8 Series HD Audio Controller (rev 04)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 50
        Memory at b2614000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel

00:1c.0 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 1 (rev e4) (prog-if 00 [Normal decode])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 40
        Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
        I/O behind bridge: [disabled] [16-bit]
        Memory behind bridge: [disabled] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.1 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 2 (rev e4) (prog-if 00 [Normal decode])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 41
        Bus: primary=00, secondary=02, subordinate=07, sec-latency=0
        I/O behind bridge: 4000-4fff [size=4K] [16-bit]
        Memory behind bridge: b1000000-b1ffffff [size=16M] [32-bit]
        Prefetchable memory behind bridge: b0000000-b0ffffff [size=16M] [32-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.2 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 3 (rev e4) (prog-if 00 [Normal decode])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 42
        Bus: primary=00, secondary=08, subordinate=08, sec-latency=0
        I/O behind bridge: [disabled] [16-bit]
        Memory behind bridge: b2500000-b25fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1c.3 PCI bridge: Intel Corporation 8 Series PCI Express Root Port 4 (rev e4) (prog-if 00 [Normal decode])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 43
        Bus: primary=00, secondary=09, subordinate=09, sec-latency=0
        I/O behind bridge: 3000-3fff [size=4K] [16-bit]
        Memory behind bridge: b2400000-b24fffff [size=1M] [32-bit]
        Prefetchable memory behind bridge: [disabled] [64-bit]
        Capabilities: <access denied>
        Kernel driver in use: pcieport

00:1d.0 USB controller: Intel Corporation 8 Series USB EHCI #1 (rev 04) (prog-if 20 [EHCI])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, medium devsel, latency 0, IRQ 23
        Memory at b261c000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci
        Kernel modules: ehci_pci

00:1f.0 ISA bridge: Intel Corporation 8 Series LPC Controller (rev 04)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, medium devsel, latency 0
        Capabilities: <access denied>
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich

00:1f.2 SATA controller: Intel Corporation 8 Series SATA Controller 1 [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, 66MHz, medium devsel, latency 0, IRQ 45
        I/O ports at 5088 [size=8]
        I/O ports at 5094 [size=4]
        I/O ports at 5080 [size=8]
        I/O ports at 5090 [size=4]
        I/O ports at 5060 [size=32]
        Memory at b261b000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1f.3 SMBus: Intel Corporation 8 Series SMBus Controller (rev 04)
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: medium devsel, IRQ 18
        Memory at b2619000 (64-bit, non-prefetchable) [size=256]
        I/O ports at 5040 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

08:00.0 Network controller: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n (rev 01)
        DeviceName: Broadcom BCM43142 802.11bgn 1x1 WiFi Adapter + BT 4.0 combo adapter
        Subsystem: Hewlett-Packard Company Device 2230
        Flags: fast devsel
        Memory at b2500000 (64-bit, non-prefetchable) [size=32K]
        Capabilities: <access denied>
        Kernel modules: wl

09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL810xE PCI Express Fast Ethernet controller (rev 08)
        DeviceName: Realtek PCIe FE Family Controller
        Subsystem: Hewlett-Packard Company Device 227f
        Flags: bus master, fast devsel, latency 0, IRQ 19
        I/O ports at 3000 [size=256]
        Memory at b2404000 (64-bit, non-prefetchable) [size=4K]
        Memory at b2400000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: r8169
        Kernel modules: r8169

Kernel appears to detect it during boot:
sudo dmesg | grep ā€œ1-1.7ā€

[sudo] password for ajw: 
[    4.784449] [     T34] usb 1-1.7: new full-speed USB device number 5 using ehci-pci
[    4.873156] [     T34] usb 1-1.7: New USB device found, idVendor=0a5c, idProduct=216c, bcdDevice= 1.12
[    4.873163] [     T34] usb 1-1.7: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[    4.873166] [     T34] usb 1-1.7: Product: BCM43142A0
[    4.873168] [     T34] usb 1-1.7: Manufacturer: Broadcom Corp
[    4.873169] [     T34] usb 1-1.7: SerialNumber: 38B1DBEB494E

No ā€œwlā€ module loaded:
lsmod

Module                  Size  Used by
snd_seq_dummy          12288  0
snd_hrtimer            12288  1
snd_seq               131072  7 snd_seq_dummy
snd_seq_device         16384  1 snd_seq
af_packet              65536  2
nft_fib_inet           12288  1
nft_fib_ipv4           12288  1 nft_fib_inet
nft_fib_ipv6           12288  1 nft_fib_inet
nft_fib                12288  3 nft_fib_ipv6,nft_fib_ipv4,nft_fib_inet
nft_reject_inet        12288  12
nf_reject_ipv4         16384  1 nft_reject_inet
nf_reject_ipv6         20480  1 nft_reject_inet
nft_reject             12288  1 nft_reject_inet
nft_ct                 28672  7
nft_chain_nat          12288  3
nf_nat                 65536  1 nft_chain_nat
nf_conntrack          208896  2 nf_nat,nft_ct
nf_defrag_ipv6         24576  1 nf_conntrack
nf_defrag_ipv4         12288  1 nf_conntrack
qrtr                   57344  2
bnep                   36864  2
nf_tables             376832  414 nft_ct,nft_reject_inet,nft_fib_ipv6,nft_fib_ipv4,nft_chain_nat,nft_reject,nft_fib,nft_fib_inet
libcrc32c              12288  3 nf_conntrack,nf_nat,nf_tables
nfnetlink              20480  2 nf_tables
nls_iso8859_1          12288  1
nls_cp437              16384  1
vfat                   24576  1
fat                   114688  1 vfat
intel_rapl_msr         20480  0
intel_rapl_common      53248  1 intel_rapl_msr
x86_pkg_temp_thermal    16384  0
spi_nor               163840  0
intel_powerclamp       24576  0
coretemp               20480  0
mtd                   110592  1 spi_nor
iTCO_wdt               16384  0
at24                   28672  0
intel_pmc_bxt          16384  1 iTCO_wdt
snd_ctl_led            24576  0
spi_intel_platform     12288  0
regmap_i2c             16384  1 at24
mei_hdcp               28672  0
kvm_intel             495616  0
spi_intel              36864  1 spi_intel_platform
iTCO_vendor_support    12288  1 iTCO_wdt
mei_pxp                20480  0
snd_hda_codec_realtek   221184  1
snd_hda_codec_generic   114688  1 snd_hda_codec_realtek
uvcvideo              180224  1
snd_hda_codec_hdmi     94208  1
snd_hda_scodec_component    20480  1 snd_hda_codec_realtek
btusb                  81920  0
videobuf2_vmalloc      20480  1 uvcvideo
btrtl                  32768  1 btusb
uvc                    12288  1 uvcvideo
snd_hda_intel          69632  2
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         45056  1 uvcvideo
btintel                69632  1 btusb
kvm                  1368064  1 kvm_intel
snd_intel_dspcfg       40960  1 snd_hda_intel
snd_intel_sdw_acpi     16384  1 snd_intel_dspcfg
btbcm                  24576  1 btusb
hp_wmi                 40960  0
videobuf2_common       98304  4 videobuf2_vmalloc,videobuf2_v4l2,uvcvideo,videobuf2_memops
btmtk                  32768  1 btusb
i2c_i801               45056  0
platform_profile       12288  1 hp_wmi
snd_hda_codec         221184  4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek
wmi_bmof               12288  0
irqbypass              12288  1 kvm
bluetooth            1052672  15 btrtl,btmtk,btintel,btbcm,bnep,btusb
videodev              405504  2 videobuf2_v4l2,uvcvideo
sparse_keymap          12288  1 hp_wmi
pcspkr                 12288  0
r8169                 126976  0
i2c_mux                16384  1 i2c_i801
snd_hda_core          151552  5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek
lpc_ich                32768  0
cfg80211             1384448  0
mc                     94208  5 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
i2c_smbus              20480  1 i2c_i801
realtek                45056  1
snd_hwdep              20480  1 snd_hda_codec
mdio_devres            12288  1 r8169
mfd_core               12288  2 intel_pmc_bxt,lpc_ich
snd_pcm               225280  4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
libphy                241664  3 r8169,mdio_devres,realtek
rfkill                 45056  7 hp_wmi,bluetooth,cfg80211
snd_timer              57344  3 snd_seq,snd_hrtimer,snd_pcm
mei_me                 61440  2
thermal                28672  0
snd                   159744  17 snd_ctl_led,snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm
mei                   204800  5 mei_hdcp,mei_pxp,mei_me
soundcore              16384  2 snd_ctl_led,snd
hp_accel               32768  0
tiny_power_button      12288  0
intel_smartconnect     12288  0
lis3lv02d              32768  1 hp_accel
wireless_hotkey        12288  0
button                 24576  0
acpi_tad               20480  0
joydev                 28672  0
ac                     16384  0
fuse                  241664  5
loop                   36864  0
dm_mod                241664  0
configfs               69632  1
efi_pstore             12288  0
dmi_sysfs              24576  0
ip_tables              36864  0
x_tables               69632  1 ip_tables
ext4                 1138688  2
crc16                  12288  2 bluetooth,ext4
mbcache                16384  1 ext4
jbd2                  204800  1 ext4
hid_logitech_hidpp     77824  0
hid_logitech_dj        45056  0
hid_generic            12288  0
usbhid                 86016  2 hid_logitech_dj,hid_logitech_hidpp
sr_mod                 28672  0
cdrom                  81920  1 sr_mod
i915                 4550656  71
ahci                   57344  4
libahci                69632  1 ahci
libata                495616  2 libahci,ahci
i2c_algo_bit           24576  1 i915
drm_buddy              24576  1 i915
ttm                   110592  1 i915
crct10dif_pclmul       12288  1
sd_mod                 81920  4
crc32_pclmul           12288  0
crc32c_intel           16384  4
drm_display_helper    282624  1 i915
polyval_clmulni        12288  0
scsi_dh_emc            12288  0
polyval_generic        12288  1 polyval_clmulni
xhci_pci               24576  0
ghash_clmulni_intel    16384  0
xhci_hcd              401408  1 xhci_pci
sha512_ssse3           53248  0
cec                    94208  2 drm_display_helper,i915
ehci_pci               20480  0
scsi_dh_rdac           16384  0
ehci_hcd              110592  1 ehci_pci
scsi_dh_alua           28672  0
sg                     49152  0
sha256_ssse3           36864  0
video                  81920  1 i915
sha1_ssse3             32768  0
wmi                    32768  3 hp_wmi,video,wmi_bmof
usbcore               450560  9 xhci_hcd,ehci_pci,usbhid,btmtk,uvcvideo,ehci_hcd,btusb,xhci_pci,hid_logitech_hidpp
scsi_mod              352256  7 scsi_dh_emc,sd_mod,scsi_dh_alua,libata,sg,scsi_dh_rdac,sr_mod
rc_core                77824  1 cec
battery                32768  0
scsi_common            16384  5 scsi_mod,sd_mod,libata,sg,sr_mod
serio_raw              20480  0
msr                    12288  0
i2c_dev                28672  0
efivarfs               28672  1
aesni_intel           122880  0
crypto_simd            16384  1 aesni_intel
cryptd                 28672  2 crypto_simd,ghash_clmulni_intel

Broadcom packages installed:
sudo zypper search -i broadcom

Loading repository data...
Reading installed packages...

S  | Name                    | Summary                                                  | Type
---+-------------------------+----------------------------------------------------------+--------
i+ | broadcom-wl             | Wireless driver for Broadcom 43xx series of chips        | package
i+ | broadcom-wl-kmp-default | Wireless driver for Broadcom 43xx series of chips        | package
i  | broadcom-wl-ueficert    | UEFI Secure Boot Certificate For Package broadcom-wl-kmp | package

Can anybody provide some pointers for resolving this?

Thanks in advance.

If secure boot is enabled, have you added on reboot the key to the mok database such as here with the nvidia:
Mok Example

Disabled secure boot and the wifi burst into life.

Thanks

Or use secure boot and add the key to the mok database.