On Sat, Sep 26, 2009 at 04:12:59PM -0400, Andy Walls wrote: > On Sat, 2009-09-26 at 00:16 +0300, Aleksandr V. Piskunov wrote: > > cx25840: > > Disable 6.5MHz carrier autodetection for PAL, always assume its DK. > > Only try to autodetect 6.5MHz carrier for SECAM if user accepts both > > system DK and L. > > > > Signed-off-by: Aleksandr V. Piskunov <alexandr.v.piskunov@xxxxxxxxx> > > Aleksandr, > > I would like a little more time to look at your patch. PAL part of the patch shouldn't affect any users IMHO, its the SECAM part where we got SECAM-L users in France and SECAM-DK in Russia. > > However, in the mean time, could you test the DK vs. L autodetection, > without your patch, using the cx25840 firmware in > > http://dl.ivtvdriver.org/ivtv/firmware/ivtv-firmware-20070217.tar.gz > > ? > > The MD5 sum of that firmware is: > > $ md5sum /lib/firmware/v4l-cx25840.fw > 99836e41ccb28c7b373e87686f93712a /lib/firmware/v4l-cx25840.fw > > The cx25840 firmware in > > http://dl.ivtvdriver.org/ivtv/firmware/ivtv-firmware-20080701.tar.gz > http://dl.ivtvdriver.org/ivtv/firmware/ivtv-firmware.tar.gz > > is probably wrong to use for the CX2584[0123] chips as it it actually > CX23148 A/V core firmware - very similar but not the same. > Tested following versions of v4l-cx25840.fw, no patch: 99836e41ccb28c7b373e87686f93712a b3704908fd058485f3ef136941b2e513 647d818c6fc82f385ebfbbd4fb2def6d (comes as makoaudc.rom with win driver) Same issue with all 3 versions of firmware tested, cold shutdown between every test. Quick description: PAL-DK source from cable, strong and clear signal. On channel switch there are 3 typical outcomes a) ~50% - DK audio system detected b) ~40 - controller fails to detect standard, muted, may detect something later c) ~10% - AM-L audio detected, playing some bogus static, may detect DK later Of course there is a possibility that CX25843 doesn't like something in IF that comes from xc2028 tuner, but as I said, signal ir very good and picture/audio on every of 50+ channels is crisp and clear. -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
