Booting current git kernel dmesg shows a set of new warnings:
"wm8775 9-001b: I2C: cannot write ??? to register R??"
Nevertheless, the hardware seems to work fine.
This is a new problem, introduced after kernel 3.10.
If necessary I can bisect.
dmesg snippet:
[ 11.841431] Linux video capture interface: v2.00
[ 11.972078] cx88/2: cx2388x MPEG-TS Driver Manager version 0.0.9 loaded
[ 11.998497] cx88/0: cx2388x v4l2 driver version 0.0.9 loaded
[ 12.035020] cx88[0]: subsystem: 0070:6906, board: Hauppauge
WinTV-HVR4000(Lite) DVB-S/S2 [card=69,autodetected], frontend(s): 1
[ 12.227528] Adding 7119316k swap on /dev/sda3. Priority:-1 extents:1
across:7119316k SS
[ 12.707144] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
[ 12.709339] tveeprom 9-0050: Hauppauge model 69100, rev B4C3, serial# 7900937
[ 12.713245] tveeprom 9-0050: MAC address is 00:0d:fe:78:8f:09
[ 12.716836] tveeprom 9-0050: tuner model is Conexant CX24118A (idx 123, type
4)
[ 12.720783] tveeprom 9-0050: TV standards ATSC/DVB Digital (eeprom 0x80)
[ 12.727678] tveeprom 9-0050: audio processor is None (idx 0)
[ 12.731462] tveeprom 9-0050: decoder processor is CX880 (idx 20)
[ 12.736219] tveeprom 9-0050: has no radio, has IR receiver, has no IR
transmitter
[ 12.741662] cx88[0]: hauppauge eeprom: model=69100
[ 12.749368] ALSA sound/pci/hda/hda_auto_parser.c:393 autoconfig: line_outs=3
(0x14/0x17/0x16/0x0/0x0) type:line
[ 12.749375] ALSA sound/pci/hda/hda_auto_parser.c:397 speaker_outs=0
(0x0/0x0/0x0/0x0/0x0)
[ 12.749380] ALSA sound/pci/hda/hda_auto_parser.c:401 hp_outs=1
(0x19/0x0/0x0/0x0/0x0)
[ 12.749384] ALSA sound/pci/hda/hda_auto_parser.c:402 mono: mono_out=0x0
[ 12.749388] ALSA sound/pci/hda/hda_auto_parser.c:405 dig-out=0x1e/0x0
[ 12.749391] ALSA sound/pci/hda/hda_auto_parser.c:406 inputs:
[ 12.749396] ALSA sound/pci/hda/hda_auto_parser.c:410 Rear Mic=0x18
[ 12.749400] ALSA sound/pci/hda/hda_auto_parser.c:410 Front Mic=0x1b
[ 12.749404] ALSA sound/pci/hda/hda_auto_parser.c:410 Line=0x1a
[ 12.749408] ALSA sound/pci/hda/patch_realtek.c:490 realtek: No valid SSID,
checking pincfg 0x411111f0 for NID 0x1d
[ 12.749412] ALSA sound/pci/hda/patch_realtek.c:573 realtek: Enable default
setup for auto mode as fallback
[ 12.753148] input: HDA Digital PCBeep as
/devices/pci0000:00/0000:00:1b.0/input/input5
[ 12.768712] input: HDA Intel Line Out CLFE as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 12.774247] input: HDA Intel Line Out Surround as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input7
[ 12.778535] input: HDA Intel Line Out Front as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input8
[ 12.782526] input: HDA Intel Line as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input9
[ 12.786746] input: HDA Intel Front Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input10
[ 12.791001] input: HDA Intel Rear Mic as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input11
[ 12.796098] Registered IR keymap rc-hauppauge
[ 12.803188] input: cx88 IR (Hauppauge WinTV-HVR400 as
/devices/pci0000:00/0000:00:1e.0/0000:05:05.2/rc/rc0/input12
[ 12.809256] rc0: cx88 IR (Hauppauge WinTV-HVR400 as
/devices/pci0000:00/0000:00:1e.0/0000:05:05.2/rc/rc0
[ 12.864326] IR RC5(x) protocol handler initialized
[ 12.871896] cx88[0]/2: cx2388x 8802 Driver Manager
[ 12.876574] cx88[0]/2: found at 0000:05:05.2, rev: 5, irq: 17, latency: 32,
mmio: 0xd2000000
[ 12.881395] lirc_dev: IR Remote Control driver registered, major 250
[ 12.887849] cx88[0]/0: found at 0000:05:05.0, rev: 5, irq: 17, latency: 32,
mmio: 0xd0000000
[ 12.894323] rc rc0: lirc_dev: driver ir-lirc-codec (cx88xx) registered at
minor = 0
[ 12.904754] IR LIRC bridge handler initialized
[ 12.926877] wm8775 9-001b: chip found @ 0x36 (cx88[0])
[ 12.935488] cx88/2: cx2388x dvb driver version 0.0.9 loaded
[ 12.942346] cx88/2: registering cx8802 driver, type: dvb access: shared
[ 12.948247] cx88[0]/2: subsystem: 0070:6906, board: Hauppauge
WinTV-HVR4000(Lite) DVB-S/S2 [card=69]
[ 12.956345] cx88[0]/2: cx2388x based DVB/ATSC card
[ 12.966600] cx8802_alloc_frontends() allocating 1 frontend(s)
[ 12.971340] wm8775 9-001b: I2C: cannot write 000 to register R23
[ 13.001070] DVB: registering new adapter (cx88[0])
[ 13.008323] cx88-mpeg driver manager 0000:05:05.2: DVB: registering adapter
0 frontend 0 (Conexant CX24116/CX24118)...
[ 13.045893] wm8775 9-001b: I2C: cannot write 000 to register R7
[ 13.057800] wm8775 9-001b: I2C: cannot write 021 to register R11
[ 13.076171] wm8775 9-001b: I2C: cannot write 102 to register R12
[ 13.086551] wm8775 9-001b: I2C: cannot write 000 to register R13
[ 13.094695] wm8775 9-001b: I2C: cannot write 1d4 to register R14
[ 13.112437] wm8775 9-001b: I2C: cannot write 1d4 to register R15
[ 13.122719] wm8775 9-001b: I2C: cannot write 1bf to register R16
[ 13.136414] wm8775 9-001b: I2C: cannot write 185 to register R17
[ 13.146144] wm8775 9-001b: I2C: cannot write 0a2 to register R18
[ 13.152412] wm8775 9-001b: I2C: cannot write 005 to register R19
[ 13.167831] wm8775 9-001b: I2C: cannot write 07a to register R20
[ 13.174097] wm8775 9-001b: I2C: cannot write 102 to register R21
[ 13.184269] wm8775 9-001b: I2C: cannot write 0c2 to register R21
[ 13.195566] wm8775 9-001b: I2C: cannot write 1cf to register R14
[ 13.201645] wm8775 9-001b: I2C: cannot write 1cf to register R15
[ 13.211898] wm8775 9-001b: I2C: cannot write 0c2 to register R21
[ 13.217832] wm8775 9-001b: I2C: cannot write 1cf to register R14
[ 13.226794] wm8775 9-001b: I2C: cannot write 1cf to register R15
[ 13.240810] wm8775 9-001b: I2C: cannot write 0c2 to register R21
[ 13.249220] wm8775 9-001b: I2C: cannot write 1cf to register R14
[ 13.256881] wm8775 9-001b: I2C: cannot write 1cf to register R15
[ 13.274529] cx88[0]/0: registered device video0 [v4l2]
[ 13.279167] cx88[0]/0: registered device vbi0
Hardware:
========
Hauppauge WinTV Nova HD-S2,
installed on AOpen i915GMm-hfs mobo,
2GB RAM, 2GHz Pentium-M Dothan
lspci -vv::
05:05.0 Multimedia video controller: Conexant Systems, Inc. CX23880/1/2/3 PCI
Video and Audio Decoder (rev 05)
Subsystem: Hauppauge computer works Inc. Device 6906
Flags: bus master, medium devsel, latency 32, IRQ 17
Memory at d0000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [44] Vital Product Data
Capabilities: [4c] Power Management version 2
Kernel driver in use: cx8800
05:05.1 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video
and Audio Decoder [Audio Port] (rev 05)
Subsystem: Hauppauge computer works Inc. Device 6906
Flags: bus master, medium devsel, latency 32, IRQ 12
Memory at d1000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] Power Management version 2
05:05.2 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video
and Audio Decoder [MPEG Port] (rev 05)
Subsystem: Hauppauge computer works Inc. Device 6906
Flags: bus master, medium devsel, latency 32, IRQ 17
Memory at d2000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] Power Management version 2
Kernel driver in use: cx88-mpeg driver manager
05:05.4 Multimedia controller: Conexant Systems, Inc. CX23880/1/2/3 PCI Video
and Audio Decoder [IR Port] (rev 05)
Subsystem: Hauppauge computer works Inc. Device 6906
Flags: bus master, medium devsel, latency 32, IRQ 12
Memory at d3000000 (32-bit, non-prefetchable) [size=16M]
Capabilities: [4c] Power Management version 2
cu,
Knut
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