linux-kernel - Problem with saa7134 driver (tuner doesn't tune specific stations)

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Message-ID: <7b3edae10707240329q651e556eu53f064cf1b102bab@mail.gmail.com>
Date:	Tue, 24 Jul 2007 13:29:31 +0300
From:	"Khelben Blackstaff" <eye.of.the.8eholder@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Problem with saa7134 driver (tuner doesn't tune specific stations)

Hello.

I have a "Terratec Cinergy HT PCI" tuner which works perfectly with
2.6.21 kernel.
With 2.6.22 kernel it doesn't tune specific stations while it tunes
others fine.
I browsed the lkml from 13/05 (date the 2.6.22-rc1 was released) but
haven't found
anything similar nor in google. I have also tried 2.6.23-rc1 to see if
its fixed.

lspci output:
01:0a.0 Multimedia controller: Philips Semiconductors SAA7133/SAA7135
Video Broadcast Decoder (rev d1)
lspci -n output:
01:0a.0 0480: 1131:7133 (rev d1)

dmesg output (same for 2.6.21/22/23-rc1):
saa7130/34: v4l2 driver version 0.2.14 loaded
ACPI: PCI Interrupt 0000:01:0a.0[A] -> GSI 21 (level, low) -> IRQ 21
saa7133[0]: found at 0000:01:0a.0, rev: 209, irq: 21, latency: 64,
mmio: 0xcdcff800
saa7133[0]: subsystem: 153b:1175, board: Terratec Cinergy HT PCI
[card=108,autodetected]
saa7133[0]: board init: gpio is 0
saa7133[0]: i2c eeprom 00: 3b 15 75 11 54 20 1c 00 43 43 a9 1c 55 d2 b2 92
saa7133[0]: i2c eeprom 10: ff ff ff 0f ff 20 ff 00 01 50 32 79 01 3c ca 50
saa7133[0]: i2c eeprom 20: 01 40 01 02 02 01 01 00 06 ff 00 94 02 51 96 2b
saa7133[0]: i2c eeprom 30: a7 58 7a 1f 03 8e 84 5e da 7a 04 b3 05 87 b2 3c
saa7133[0]: i2c eeprom 40: ff 21 00 c0 96 10 03 32 15 10 fd 79 44 9f c2 8f
saa7133[0]: i2c eeprom 50: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 60: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
saa7133[0]: i2c eeprom 70: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
tuner 0-004b: chip found @ 0x96 (saa7133[0])
tuner 0-004b: setting tuner address to 60
tuner 0-004b: type set to tda8290+75a
tuner 0-004b: setting tuner address to 60
tuner 0-004b: type set to tda8290+75a
saa7133[0]: registered device video0 [v4l2]
saa7133[0]: registered device vbi0
saa7134 ALSA driver for DMA sound loaded
saa7133[0]/alsa: saa7133[0] at 0xcdcff800 irq 21 registered as card -1

the .config was copied from 2.6.21 -> 2.6.22 -> 2.6.23-rc1 and no
option regarding
the media/video was changed.

the behaviour is the same with xdtv and tvtime programs.

I have the following channels stored:
UHF 23, 24, 25, 26, 27, 39, 43, 51, 54, 62, 65

With 2.6.21 every station works fine.
With 2.6.22+ i get the following behavior:
23, 25, 26, 39, 43, 51, 54 work fine while
24, 27, 62, 65 have sound but no video.

The channels that don't work aren't small channels with low signal
quality, they have
the same quality with those that work, so i guess its not something
about antenna quality.

Has anyone the same problem ?
If you need any more info, please tell me.

Please CC me.
Thank you for your time.
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