Mailing List Archive: ivtv: users

Hauppauge HVR-1600 card issue

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frlinux at gmail

Oct 19, 2008, 7:34 AM

Post #1 of 2 (1187 views)
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Hauppauge HVR-1600 card issue

Hello,

I have read your list for the whole afternoon (and thanks a lot for
all the posts, it has been quite an experience :) but I couldn't get
my card to work.

It is a Toshiba Qosmio G40 (my nemesis ...) with Ubuntu Intrepid beta
latest patches. I have also applied the latest BIOS and booted the
laptop with : vmalloc=192M noacpi acpi=off.

Following this, i had the usual errors:

[ 19.744031] cx18: Start initialization, version 1.0.0
[ 19.748031] cx18-0: Initializing card #0
[ 19.748031] cx18-0: Unknown card: vendor/device: 14f1/5b7a
[ 19.748031] cx18-0: subsystem vendor/device: 1179/0110
[ 19.748031] cx18-0: Defaulting to Hauppauge HVR-1600 card
[ 19.748031] cx18-0: Please mail the vendor/device and subsystem
vendor/device IDs and what kind of
[ 19.748031] cx18-0: card you have to the ivtv-devel mailinglist
(www.ivtvdriver.org)
[ 19.748031] cx18-0: Prefix your subject line with [UNKNOWN CX18 CARD].
[ 19.748031] cx18 0000:08:09.0: found PCI INT A -> IRQ 11
[ 19.748031] cx18 0000:08:09.0: sharing IRQ 11 with 0000:00:1b.0
[ 19.752031] cx18-0: cx23418 revision 01010000 (B)
[ 19.920031] uvcvideo: Found UVC 1.00 device Chicony USB 2.0 Camera
(04f2:b018)
[ 19.932031] input: Chicony USB 2.0 Camera as
/devices/pci0000:00/0000:00:1a.7/usb3/3-4/3-4:1.0/input/input3
[ 19.948031] usbcore: registered new interface driver uvcvideo
[ 19.948031] USB Video Class driver (v0.1.0)
[ 20.068031] tveeprom 0-0050: Hauppauge model 0, rev , serial# 0
[ 20.068031] tveeprom 0-0050: tuner model is None (idx 0, type 4)
[ 20.068031] tveeprom 0-0050: TV standards none (eeprom 0x00)
[ 20.068031] tveeprom 0-0050: audio processor is unknown (no idx)
[ 20.068031] tveeprom 0-0050: has no radio
[ 20.072031] cx18-0: Invalid EEPROM
[ 20.072031] cx18-0: VBI is not yet supported
[ 20.076031] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network
Connection driver for Linux, 1.2.26ks
[ 20.076031] iwl3945: Copyright(c) 2003-2008 Intel Corporation
[ 20.736031] Synaptics Touchpad, model: 1, fw: 6.3, id: 0x9280b1,
caps: 0xa04713/0x204000
[ 20.804031] input: SynPS/2 Synaptics TouchPad as
/devices/platform/i8042/serio1/input/input4
[ 24.184031] cs: IO port probe 0x100-0x3af: clean.
[ 24.188031] cs: IO port probe 0x3e0-0x4ff: clean.
[ 24.188031] cs: IO port probe 0x820-0x8ff: clean.
[ 24.188031] cs: IO port probe 0xc00-0xcf7: clean.
[ 24.188031] cs: IO port probe 0xa00-0xaff: clean.
[ 68.356031] cs5345 0-004c: chip found @ 0x98 (cx18 i2c driver #0-0)
[ 68.356031] cx18-0: Disabled encoder IDX device
[ 68.356031] cx18-0: Registered device video1 for encoder MPEG (2 MB)
[ 68.356031] DVB: registering new adapter (cx18)
[ 68.756031] s5h1409_readreg: readreg error (ret == -6)
[ 68.756031] cx18-0: frontend initialization failed
[ 68.756031] cx18-0: DVB failed to register
[ 68.756031] cx18-0: Registered device video32 for encoder YUV (2 MB)
[ 68.756031] cx18-0: Registered device video24 for encoder PCM audio (1 MB)
[ 68.756031] cx18-0: Registered device radio0 for encoder radio
[ 68.760031] cx18-0: Error -12 registering devices
[ 68.760031] cx18-0: Error -12 on initialization
[ 68.760031] cx18: probe of 0000:08:09.0 failed with error -12

This convinced me to take a long look on the interrupts and found this:

11: 1600 XT-PIC-XT uhci_hcd:usb2, ehci_hcd:usb3,
uhci_hcd:usb4, uhci_hcd:usb5, uhci_hcd:usb6, ehci_hcd:usb7, ohci1394,
tifm_7xx1, HDA Intel

As you can see, it does share with an awful lot of devices. The card
is integrated so changing it of slot is not an option :)

I blacklisted mmc_core and yenta_socket which i don't use anyway, then
it went further but then died:

[ 605.081753] cx18: Start initialization, version 1.0.0
[ 605.081753] cx18-0: Initializing card #0
[ 605.081753] cx18-0: Unknown card: vendor/device: 14f1/5b7a
[ 605.081753] cx18-0: subsystem vendor/device: 1179/0110
[ 605.081753] cx18-0: Defaulting to Hauppauge HVR-1600 card
[ 605.081753] cx18-0: Please mail the vendor/device and subsystem
vendor/device IDs and what kind of
[ 605.081753] cx18-0: card you have to the ivtv-devel mailinglist
(www.ivtvdriver.org)
[ 605.081753] cx18-0: Prefix your subject line with [UNKNOWN CX18 CARD].
[ 605.081753] cx18-0 info: base addr: 0xec000000
[ 605.081753] cx18-0 info: Enabling pci device
[ 605.081753] cx18-0 info: cx23418 (rev 0) at 08:09.0, irq: 11,
latency: 64, memory: 0xec000000
[ 605.081753] cx18-0 info: attempting ioremap at 0xec000000 len 0x04000000
[ 605.089753] cx18-0: cx23418 revision 01010000 (B)
[ 605.165753] cx18-0 info: GPIO initial dir: 0000cffe/0000ffff out:
00003001/00000000
[ 605.165753] cx18-0 info: activating i2c...
[ 605.165753] cx18-0 i2c: i2c init
[ 605.265753] cx18-0 info: Active card count: 1.
[ 605.313753] tveeprom 3-0050: Hauppauge model 0, rev , serial# 0
[ 605.313753] tveeprom 3-0050: tuner model is None (idx 0, type 4)
[ 605.313753] tveeprom 3-0050: TV standards none (eeprom 0x00)
[ 605.313753] tveeprom 3-0050: audio processor is unknown (no idx)
[ 605.313753] tveeprom 3-0050: has no radio
[ 605.313753] cx18-0: Invalid EEPROM
[ 605.313753] cx18-0: VBI is not yet supported
[ 605.393753] cx18-0 info: Loaded module tuner
[ 605.401753] cx18-0 info: Loaded module cs5345
[ 605.401753] cx18-0 i2c: i2c client register
[ 653.401753] cx18-0 i2c: i2c client register
[ 653.409753] cs5345 3-004c: chip found @ 0x98 (cx18 i2c driver #0-0)
[ 653.409753] cx18-0 info: Allocate encoder MPEG stream: 32 x 32768
buffers (1024kB total)
[ 653.409753] cx18-0: Disabled TS device
[ 653.409753] cx18-0: Disabled encoder YUV device
[ 653.409753] cx18-0: Disabled encoder PCM audio device
[ 653.409753] cx18-0: Disabled encoder IDX device
[ 653.409753] cx18-0: Registered device video1 for encoder MPEG (1 MB)
[ 653.409753] DVB: registering new adapter (cx18)
[ 653.421753] s5h1409_readreg: readreg error (ret == -6)
[ 653.425753] cx18-0: frontend initialization failed
[ 653.425753] firmware: requesting v4l-cx23418-apu.fw
[ 653.433753] cx18-0: DVB failed to register
[ 653.493753] cx18-0 info: load segment a00000-a07fff
[ 653.505753] cx18-0 info: load segment ae0000-ae00ff
[ 653.505753] cx18-0 info: load segment b00000-b1a65f
[ 653.553753] cx18-0: loaded v4l-cx23418-apu.fw firmware V00120000
(141200 bytes)
[ 654.053753] firmware: requesting v4l-cx23418-cpu.fw
[ 654.125753] cx18-0: loaded v4l-cx23418-cpu.fw firmware (158332 bytes)
[ 654.329753] firmware: requesting v4l-cx23418-apu.fw
[ 654.329753] cx18-0 info: load segment a00000-a07fff
[ 654.345753] cx18-0 info: load segment ae0000-ae00ff
[ 654.345753] cx18-0 info: load segment b00000-b1a65f
[ 654.893753] firmware: requesting v4l-cx23418-cpu.fw
[ 655.161753] cx18-0 info: Changing input from 1 to 0
[ 655.161753] cx18-0 info: Mute
[ 655.161753] cx18-0 info: cmd 4008646f triggered fw load
[ 655.161753] firmware: requesting v4l-cx23418-dig.fw
[ 655.357753] cx18-0: loaded v4l-cx23418-dig.fw firmware (16382 bytes)
[ 655.357753] cx18-0 info: decoder set video input 7, audio input 8
[ 655.357753] cx18-0 i2c: call_i2c_client addr=4c
[ 655.361753] cx18-0 info: decoder set video input 7, audio input 8
[ 660.869753] cx18-0: mb CX18_APU_RESETAI failed
[ 660.869753] cx18-0 info: Unmute
[ 660.869753] cx18-0 info: Switching standard to 1000.
[ 660.869753] cx18-0 info: changing video std to fmt 1
[ 660.869753] cx18-0 info: PLL regs = int: 15, frac: 2876158, post: 4
[ 660.869753] cx18-0 info: PLL = 0.000011 MHz
[ 660.869753] cx18-0 info: PLL/8 = 0.000001 MHz
[ 660.869753] cx18-0 info: ADC Sampling freq = 0.000001 MHz
[ 660.869753] cx18-0 info: Chroma sub-carrier freq = 0.000000 MHz
[ 660.869753] cx18-0 info: hblank 122, hactive 720, vblank 26 ,
vactive 487, vblank656 26, src_dec 543,burst 0x5b, luma_lpf 1, uv_lpf
1, comb 0x66, sc 0x087c1f
[ 660.869753] cx18-0 info: Mute
[ 660.869753] cx18-0 info: v4l2 ioctl: set frequency 1076
[ 660.869753] cx18-0 info: Unmute
[ 660.869753] cx18-0: Registered device radio0 for encoder radio
[ 660.869753] cx18-0: Error -12 registering devices
[ 660.869753] cx18-0 i2c: i2c exit
[ 660.869753] cx18-0 i2c: i2c client detach
[ 660.869753] cx18-0 i2c: i2c detach [client=cs5345,ok]
[ 660.869753] cx18-0 info: releasing enc_mem
[ 660.869753] cx18-0: Error -12 on initialization
[ 660.869753] cx18: probe of 0000:08:09.0 failed with error -12
[ 660.869753] cx18: End initialization

and the panic itself:

[ 660.873753] BUG: unable to handle kernel NULL pointer dereference at 00000180
[ 660.873753] IP: [<f4aed1cc>] :videodev:__video_do_ioctl+0x2c/0x3350
[ 660.873753] *pde = 00000000
[ 660.873753] Oops: 0000 [#1] SMP
[ 660.873753] Modules linked in: cx18 dvb_core i2c_algo_bit cx2341x
tveeprom af_packet binfmt_misc bridge stp bnep sco rfcomm l2cap
bluetooth ppdev cpufreq_conservative cpufreq_userspace
cpufreq_ondemand cpufreq_stats freq_table cpufreq_powersave
iptable_filter ip_tables x_tables sbp2 parport_pc lp parport loop ipv6
arc4 ecb crypto_blkcipher s5h1409 joydev cs5345 tuner snd_hda_intel
iwl3945 rfkill uvcvideo psmouse snd_pcm_oss snd_mixer_oss serio_raw
evdev mac80211 pcspkr snd_pcm led_class compat_ioctl32 videodev
snd_seq_dummy v4l1_compat cfg80211 v4l2_common tifm_7xx1 snd_seq_oss
tifm_core nvidia(P) snd_seq_midi i2c_core snd_rawmidi
snd_seq_midi_event iTCO_wdt iTCO_vendor_support snd_seq snd_timer
snd_seq_device snd intel_agp soundcore agpgart snd_page_alloc shpchp
pci_hotplug ext3 jbd mbcache sr_mod cdrom pata_acpi sd_mod crc_t10dif
sg ata_piix ata_generic ahci libata scsi_mod ohci1394 dock ieee1394
ehci_hcd uhci_hcd usbcore e1000e fbcon tileblit font bitblit
softcursor fuse [last unloaded: tveeprom]
[ 660.873753]
[ 660.873753] Pid: 6332, comm: hald-probe-vide Tainted: P
(2.6.27-7-generic #1)
[ 660.873753] EIP: 0060:[<f4aed1cc>] EFLAGS: 00010202 CPU: 0
[ 660.873753] EIP is at __video_do_ioctl+0x2c/0x3350 [videodev]
[ 660.873753] EAX: 00000000 EBX: f1ce9ca0 ECX: 80685600 EDX: f0928300
[ 660.873753] ESI: 80685600 EDI: ef8c9eb0 EBP: ef8c9e84 ESP: ef8c9db4
[ 660.873753] DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[ 660.873753] Process hald-probe-vide (pid: 6332, ti=ef8c8000
task=f09557f0 task.ti=ef8c8000)
[ 660.873753] Stack: 04c4b400 00000000 ef8c9dd0 00000286 f1818000
00000001 c2b17d00 ef8c9e14
[ 660.873753] c012b4ee f0bb8000 f4a96079 efdcce50 ef8c9e08
f4bac8e9 80685600 f0928300
[ 660.873753] 00000000 0000000f 00000000 00000000 00000286
f4af3af0 f4af3af4 f0928300
[ 660.873753] Call Trace:
[ 660.873753] [<c012b4ee>] ? try_to_wake_up+0xde/0x290
[ 660.873753] [<f4a96079>] ? v4l2_prio_open+0x9/0x40 [v4l2_common]
[ 660.873753] [<f4bac8e9>] ? cx18_serialized_open+0x59/0x150 [cx18]
[ 660.873753] [<c012b6cf>] ? wake_up_process+0xf/0x20
[ 660.873753] [<c037d57d>] ? __mutex_unlock_slowpath+0x3d/0x50
[ 660.873753] [<c037e938>] ? unlock_kernel+0x28/0x2f
[ 660.873753] [<f4aec22e>] ? video_open+0xee/0x150 [videodev]
[ 660.873753] [<c01b4a20>] ? exact_match+0x0/0x10
[ 660.873753] [<c01b4d95>] ? chrdev_open+0xd5/0x1b0
[ 660.873753] [<f4af0673>] ? video_ioctl2+0x183/0x358 [videodev]
[ 660.873753] [<c0122fda>] ? __dequeue_entity+0x2a/0xb0
[ 660.873753] [<c0123186>] ? set_next_entity+0x126/0x160
[ 660.873753] [<c0102df6>] ? __switch_to+0xa6/0x160
[ 660.873753] [<c01284cb>] ? finish_task_switch+0x2b/0xe0
[ 660.873753] [<c037c979>] ? schedule+0x429/0x790
[ 660.873753] [<f4bae59e>] ? cx18_v4l2_ioctl+0x5e/0x80 [cx18]
[ 660.873753] [<c01beef1>] ? vfs_ioctl+0x81/0x90
[ 660.873753] [<c01bf086>] ? do_vfs_ioctl+0x66/0x1f0
[ 660.873753] [<c02147d8>] ? cap_file_ioctl+0x8/0x10
[ 660.873753] [<c01bf27b>] ? sys_ioctl+0x6b/0x70
[ 660.873753] [<c0103f7b>] ? sysenter_do_call+0x12/0x2f
[ 660.873753] [<c0370000>] ? default_device_exit+0x80/0xb0
[ 660.873753] =======================
[ 660.873753] Code: 89 e5 57 56 53 81 ec c4 00 00 00 e8 ef 80 61 cb
89 c3 89 d0 89 95 6c ff ff ff 89 8d 68 ff ff ff e8 5a ee ff ff 89 85
70 ff ff ff <8b> b0 80 01 00 00 8b 85 6c ff ff ff 8b 95 70 ff ff ff 8b
40 70
[ 660.873753] EIP: [<f4aed1cc>] __video_do_ioctl+0x2c/0x3350
[videodev] SS:ESP 0068:ef8c9db4
[ 660.873753] ---[ end trace e78f846b79a916f6 ]---

The line used for loading the driver was:

modprobe cx18 debug=67 enc_mpg_buffers=1 enc_ts_buffers=0
enc_vbi_buffers=0 enc_yuv_buffers=0 enc_pcm_buffers=0

I could not use any mmio parameters as it kept telling me unknown symbols.

For completeness, here is the full spec of the card:

08:09.0 Multimedia video controller: Conexant Systems, Inc. CX23418
Single-Chip MPEG-2 Encoder with Integrated Analog Video/Broadcast
Audio Decoder
Subsystem: Toshiba America Info Systems Device 0110
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort-
<TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 64 (500ns min, 50000ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 11
Region 0: Memory at ec000000 (32-bit, non-prefetchable) [size=64M]
Capabilities: [44] Vital Product Data <?>
Capabilities: [4c] Power Management version 2
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
Kernel modules: cx18

Any help welcome. I should point out that the laptop will be leaving
tomorrow so I wil not have access to it for a couple of months.

Cheers and keep up the good work :)
Steph

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frlinux at gmail

Oct 27, 2008, 12:29 PM

Post #2 of 2 (1067 views)
Permalink

Re: Hauppauge HVR-1600 card issue [In reply to]

On Sun, Oct 19, 2008 at 2:34 PM, FRLinux <frlinux [at] gmail> wrote:
> It is a Toshiba Qosmio G40 (my nemesis ...) with Ubuntu Intrepid beta
> latest patches. I have also applied the latest BIOS and booted the
> laptop with : vmalloc=192M noacpi acpi=off.

Hello,

Just wanted to let you know that following the direct use of your
online latest code (rather than the one in Ubuntu Intrepid), the new
modules detected the card alright but still fails to make it available
as a DVB-T device for Linux:

[ 4883.263069] cx18: Start initialization, version 1.0.1
[ 4883.263114] cx18-0: Initializing card #0
[ 4883.263117] cx18-0: Autodetected Toshiba Qosmio DVB-T/Analog card
[ 4883.263133] cx18 0000:08:09.0: PCI INT A -> GSI 22 (level, low) -> IRQ 22
[ 4883.264830] cx18-0: cx23418 revision 01010000 (B)
[ 4883.409881] cx18-0: Experimenters and photos needed for device to work well.
[ 4883.409882] To help, mail the ivtv-devel list (www.ivtvdriver.org).
[ 4883.494091] Chip ID is not zero. It is not a TEA5767
[ 4883.494162] tuner 4-0060: chip found @ 0xc0 (cx18 i2c driver #0-1)
[ 4883.494330] xc2028 4-0060: creating new instance
[ 4883.494333] xc2028 4-0060: type set to XCeive xc2028/xc3028 tuner
[ 4883.494336] firmware: requesting v4l-cx23418-dig.fw
[ 4883.692960] cx18-0: loaded v4l-cx23418-dig.fw firmware (16382 bytes)
[ 4883.693463] cx18-0: Disabled TS device
[ 4883.693465] cx18-0: Disabled encoder YUV device
[ 4883.693468] cx18-0: Disabled encoder PCM audio device
[ 4883.693469] cx18-0: Disabled encoder IDX device
[ 4883.693606] cx18-0: Registered device video1 for encoder MPEG (1 MB)
[ 4883.693609] cx18-0: Initialized card #0: Toshiba Qosmio DVB-T/Analog
[ 4883.693637] cx18: End initialization
[ 4883.701099] firmware: requesting v4l-cx23418-apu.fw
[ 4883.831734] cx18-0: loaded v4l-cx23418-apu.fw firmware V00120000
(141200 bytes)
[ 4884.328042] firmware: requesting v4l-cx23418-cpu.fw
[ 4884.474079] cx18-0: loaded v4l-cx23418-cpu.fw firmware (158332 bytes)
[ 4884.479961] cx18-0: FW version: 0.0.74.0 (Release 2007/03/12)
[ 4884.676080] firmware: requesting v4l-cx23418-apu.fw
[ 4885.304044] firmware: requesting v4l-cx23418-cpu.fw
[ 4885.648445] cx18-0 api: CX18_APU_RESETAI
[ 4885.648502] cx18-0 api: mailbox error 200800ff for command CX18_APU_RESETAI
[ 4885.650282] firmware: requesting xc3028-v27.fw
[ 4885.655883] xc2028 4-0060: Loading 80 firmware images from
xc3028-v27.fw, type: xc2028 firmware, ver 2.7
[ 4885.664370] xc2028 4-0060: Loading firmware for type=BASE (1), id
0000000000000000.
[ 4887.783767] xc2028 4-0060: Loading firmware for type=(0), id
000000000000b700.
[ 4887.819424] SCODE (20000000), id 000000000000b700:
[ 4887.819431] xc2028 4-0060: Loading SCODE for type=MONO SCODE
HAS_IF_4320 (60008000), id 0000000000008000.
[ 4887.859156] xc2028 4-0060: Incorrect readback of firmware version.
[ 4887.920038] xc2028 4-0060: Loading firmware for type=BASE (1), id
0000000000000000.
[ 4890.315854] xc2028 4-0060: Loading firmware for type=(0), id
000000000000b700.
[ 4890.351643] SCODE (20000000), id 000000000000b700:
[ 4890.351649] xc2028 4-0060: Loading SCODE for type=MONO SCODE
HAS_IF_4320 (60008000), id 0000000000008000.
[ 4890.391041] xc2028 4-0060: Incorrect readback of firmware version.
[ 4890.549045] xc2028 4-0060: Loading firmware for type=BASE (1), id
0000000000000000.
[ 4892.907888] xc2028 4-0060: Loading firmware for type=(0), id
000000000000b700.
[ 4892.943772] SCODE (20000000), id 000000000000b700:
[ 4892.943779] xc2028 4-0060: Loading SCODE for type=MONO SCODE
HAS_IF_4320 (60008000), id 0000000000008000.
[ 4892.983041] xc2028 4-0060: Incorrect readback of firmware version.
[ 4893.044035] xc2028 4-0060: Loading firmware for type=BASE (1), id
0000000000000000.
[ 4895.228097] xc2028 4-0060: Loading firmware for type=(0), id
000000000000b700.
[ 4895.269820] SCODE (20000000), id 000000000000b700:
[ 4895.269831] xc2028 4-0060: Loading SCODE for type=MONO SCODE
HAS_IF_4320 (60008000), id 0000000000008000.
[ 4895.307542] xc2028 4-0060: Incorrect readback of firmware version.
[ 4895.460032] cx18-0 file: open encoder MPEG
[ 4895.460056] cx18-0: VIDIOC_QUERYCAP driver=cx18, card=Toshiba
Qosmio DVB-T/Analog, bus=PCI:0000:08:09.0, version=0x00010001,
capabilities=0x01030001
[ 4895.460849] cx18-0: VIDIOC_QUERYCAP driver=cx18, card=Toshiba
Qosmio DVB-T/Analog, bus=PCI:0000:08:09.0, version=0x00010001,
capabilities=0x01030001
[ 4895.460857] cx18-0: VIDIOC_ENUMINPUT index=0, name=Tuner 1, type=1,
audioset=3, tuner=0, std=00001000, status=0
[ 4895.460862] cx18-0: VIDIOC_ENUMINPUT index=1, name=S-Video 1,
type=2, audioset=3, tuner=0, std=00ffffff, status=0
[ 4895.460866] cx18-0: VIDIOC_ENUMINPUT index=2, name=Composite 1,
type=2, audioset=3, tuner=0, std=00ffffff, status=0
[ 4895.460871] cx18-0: VIDIOC_ENUMINPUT error -22
[ 4895.460875] cx18-0: VIDIOC_ENUM_FMT index=0, type=1, flags=0,
pixelformat=HM12, description='HM12 (YUV 4:1:1)'
[ 4895.460879] cx18-0: VIDIOC_TRY_FMT type=vid-cap
[ 4895.460885] cx18-0: width=720, height=480, format=MPEG,
field=interlaced, bytesperline=0 sizeimage=131072, colorspace=1
[ 4895.461376] cx18-0 ioctl: close() of encoder MPEG

Cheers,
Steph

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