The card can be recognised by the kernel, but the card then cannot detect any signal. The same system start with kernel 2.6.17 has got no problem.
dmesg: ivtv: ==================== START INIT IVTV ==================== ivtv: version 1.0.0 (2.6.22.1-41.f7 SMP mod_unload 686 4KSTACKS ) loading ivtv0: User specified Yuan MPC622 card (detected cx23416 based chip) ACPI: PCI Interrupt 0000:00:14.0[A] -> GSI 17 (level, low) -> IRQ 20 ivtv0: Unreasonably low latency timer, setting to 64 (was 32) ivtv0: loaded v4l-cx2341x-enc.fw firmware (3672028152 bytes) ivtv0: Encoder revision: 0x02060039 cx25840 1-0044: cx25843-23 found @ 0x88 (ivtv i2c driver #0) cx25840 1-0044: loaded v4l-cx25840.fw firmware (16382 bytes) ivtv0: Registered device video0 for encoder MPEG (4 MB) ivtv0: Registered device video32 for encoder YUV (2 MB) ivtv0: Registered device vbi0 for encoder VBI (1 MB) ivtv0: Registered device video24 for encoder PCM audio (1 MB) ivtv0: Initialized Yuan MPC622, card #0 ACPI: PCI Interrupt Link [ALKC] enabled at IRQ 22 ACPI: PCI Interrupt 0000:00:11.5[C] -> Link [ALKC] -> GSI 22 (level, low) -> IRQ 21 PCI: Setting latency timer of device 0000:00:11.5 to 64 ivtv: ==================== END INIT IVTV ==================== lspci -v: 00:14.0 Multimedia video controller: Internext Compression Inc iTVC16 (CX23416) MPEG-2 Encoder (rev 01) Subsystem: Unknown device ff01:d998 Flags: bus master, medium devsel, latency 64, IRQ 20 Memory at f0000000 (32-bit, prefetchable) [size=64M] Capabilities: [44] Power Management version 2 v4l2-ctl --log-status: Status Log: ivtv0: ================= START STATUS CARD #0 ================= cx25840 1-0044: Video signal: not present cx25840 1-0044: Detected format: NTSC-M cx25840 1-0044: Specified standard: PAL-BDGHI cx25840 1-0044: Specified video input: Composite 2 cx25840 1-0044: Specified audioclock freq: 48000 Hz cx25840 1-0044: Detected audio mode: forced mode cx25840 1-0044: Detected audio standard: no detected audio standard cx25840 1-0044: Audio muted: yes cx25840 1-0044: Audio microcontroller: running cx25840 1-0044: Configured audio standard: automatic detection cx25840 1-0044: Configured audio system: BTSC cx25840 1-0044: Specified audio input: Tuner (In5) cx25840 1-0044: Preferred audio mode: stereo ivtv0: Video Input: Tuner 1 ivtv0: Audio Input: Tuner 1 ivtv0: Tuner: TV ivtv0: Stream: MPEG-2 Program Stream ivtv0: VBI Format: No VBI ivtv0: Video: 720x576, 25 fps ivtv0: Video: MPEG-2, 4x3, Variable Bitrate, 6000000, Peak 8000000 ivtv0: Video: GOP Size 15, 2 B-Frames, GOP Closure ivtv0: Audio: 48 kHz, Layer II, 224 kbps, Stereo, No Emphasis, No CRC ivtv0: Spatial Filter: Manual, Luma 1D Horizontal, Chroma 1D Horizontal, 0 ivtv0: Temporal Filter: Manual, 8 ivtv0: Median Filter: Off, Luma [0, 255], Chroma [0, 255] ivtv0: Status flags: 0x00000000 ivtv0: Stream encoder MPEG: status 0x0000, 0% of 4096 KiB (128 buffers) in use ivtv0: Stream encoder YUV: status 0x0000, 0% of 2046 KiB (194 buffers) in use ivtv0: Stream encoder VBI: status 0x0000, 0% of 1023 KiB (60 buffers) in use ivtv0: Stream encoder PCM audio: status 0x0000, 0% of 1021 KiB (227 buffers) in use ivtv0: Read MPEG/VBI: 0/0 bytes ivtv0: ================== END STATUS CARD #0 ================== -- ******************************************************************* This e-mail is confidential. It may also be legally privileged. If you are not the addressee you may not copy, forward, disclose or use any part of it. If you have received this message in error, please delete it and all copies from your system and notify the sender immediately by return e-mail. Internet communications cannot be guaranteed to be timely, secure, error or virus-free. The sender does not accept liability for any errors or omissions. ******************************************************************* "Try your best, and the GOD will do the rest!"
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