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| author |   Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-17 17:44:45 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-17 22:49:57 -0300 |
| commit | 55aa32feb03fadc8779fc14e94f73f0b65c4d2f2 (patch) | |
| tree | 33c7476055ac14b4b338e41aa9e5d1dcf3b549e2 /Documentation/media | |
| parent | [media] doc-rst: Add cx88 documentation to media book (diff) | |
| download | linux-dev-55aa32feb03fadc8779fc14e94f73f0b65c4d2f2.tar.xz linux-dev-55aa32feb03fadc8779fc14e94f73f0b65c4d2f2.zip | |
[media] cx88.rst: Update the documentation
This doc is outdated, and contains information that it is not
true anymore. Update it to reflect the changes that this
driver suffered since I started working on it.
While here, also update Gerd's name.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
| -rw-r--r-- | Documentation/media/v4l-drivers/cx88.rst | 52 |
1 files changed, 17 insertions, 35 deletions
diff --git a/Documentation/media/v4l-drivers/cx88.rst b/Documentation/media/v4l-drivers/cx88.rst index f4e69306f64d..ac83292776da 100644 --- a/Documentation/media/v4l-drivers/cx88.rst +++ b/Documentation/media/v4l-drivers/cx88.rst @@ -1,42 +1,29 @@ The cx88 driver =============== -.. note:: - - This documentation is outdated. - -cx8800 release notes --------------------- +Author: Gerd Hoffmann This is a v4l2 device driver for the cx2388x chip. -current status +Current status -------------- video - - Basically works. - - For now, only capture and read(). Overlay isn't supported. + - Works. + - Overlay isn't supported. audio - - The chip specs for the on-chip TV sound decoder are next - to useless :-/ - - Neverless the builtin TV sound decoder starts working now, - at least for some standards. - FOR ANY REPORTS ON THIS PLEASE MENTION THE TV NORM YOU ARE - USING. - - Most tuner chips do provide mono sound, which may or may not - be useable depending on the board design. With the Hauppauge - cards it works, so there is mono sound available as fallback. + - Works. The TV standard detection is made by the driver, as the + hardware has bugs to auto-detect. - audio data dma (i.e. recording without loopback cable to the sound card) is supported via cx88-alsa. vbi - - Code present. Works for NTSC closed caption. PAL and other - TV norms may or may not work. + - Works. -how to add support for new cards +How to add support for new cards -------------------------------- The driver needs some config info for the TV cards. This stuff is in @@ -53,24 +40,19 @@ like this one: If your card is listed as "board: UNKNOWN/GENERIC" it is unknown to the driver. What to do then? - (1) Try upgrading to the latest snapshot, maybe it has been added - meanwhile. - (2) You can try to create a new entry yourself, have a look at - cx88-cards.c. If that worked, mail me your changes as unified - diff ("diff -u"). - (3) Or you can mail me the config information. I need at least the - following information to add the card: +1) Try upgrading to the latest snapshot, maybe it has been added + meanwhile. +2) You can try to create a new entry yourself, have a look at + cx88-cards.c. If that worked, mail me your changes as unified + diff ("diff -u"). +3) Or you can mail me the config information. We need at least the + following information to add the card: - * the PCI Subsystem ID ("0070:3400" from the line above, + - the PCI Subsystem ID ("0070:3400" from the line above, "lspci -v" output is fine too). - * the tuner type used by the card. You can try to find one by + - the tuner type used by the card. You can try to find one by trial-and-error using the tuner=<n> insmod option. If you know which one the card has you can also have a look at the list in CARDLIST.tuner -Have fun, - - Gerd --- -Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] |