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authorMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-17 16:44:45 -0400
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2016-07-17 21:49:57 -0400
commit55aa32feb03fadc8779fc14e94f73f0b65c4d2f2 (patch)
tree33c7476055ac14b4b338e41aa9e5d1dcf3b549e2
parentc009e6819e60d50f2f84d202927eaa66f00e62a1 (diff)
[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This doc is outdated, and contains information that it is not true anymore.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>
-rw-r--r--Documentation/media/v4l-drivers/cx88.rst52
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 @@
1The cx88 driver 1The cx88 driver
2=============== 2===============
3 3
4.. note:: 4Author: Gerd Hoffmann
5
6 This documentation is outdated.
7
8cx8800 release notes
9--------------------
10 5
11This is a v4l2 device driver for the cx2388x chip. 6This is a v4l2 device driver for the cx2388x chip.
12 7
13 8
14current status 9Current status
15-------------- 10--------------
16 11
17video 12video
18 - Basically works. 13 - Works.
19 - For now, only capture and read(). Overlay isn't supported. 14 - Overlay isn't supported.
20 15
21audio 16audio
22 - The chip specs for the on-chip TV sound decoder are next 17 - Works. The TV standard detection is made by the driver, as the
23 to useless :-/ 18 hardware has bugs to auto-detect.
24 - Neverless the builtin TV sound decoder starts working now,
25 at least for some standards.
26 FOR ANY REPORTS ON THIS PLEASE MENTION THE TV NORM YOU ARE
27 USING.
28 - Most tuner chips do provide mono sound, which may or may not
29 be useable depending on the board design. With the Hauppauge
30 cards it works, so there is mono sound available as fallback.
31 - audio data dma (i.e. recording without loopback cable to the 19 - audio data dma (i.e. recording without loopback cable to the
32 sound card) is supported via cx88-alsa. 20 sound card) is supported via cx88-alsa.
33 21
34vbi 22vbi
35 - Code present. Works for NTSC closed caption. PAL and other 23 - Works.
36 TV norms may or may not work.
37 24
38 25
39how to add support for new cards 26How to add support for new cards
40-------------------------------- 27--------------------------------
41 28
42The driver needs some config info for the TV cards. This stuff is in 29The driver needs some config info for the TV cards. This stuff is in
@@ -53,24 +40,19 @@ like this one:
53If your card is listed as "board: UNKNOWN/GENERIC" it is unknown to 40If your card is listed as "board: UNKNOWN/GENERIC" it is unknown to
54the driver. What to do then? 41the driver. What to do then?
55 42
56 (1) Try upgrading to the latest snapshot, maybe it has been added 431) Try upgrading to the latest snapshot, maybe it has been added
57 meanwhile. 44 meanwhile.
58 (2) You can try to create a new entry yourself, have a look at 452) You can try to create a new entry yourself, have a look at
59 cx88-cards.c. If that worked, mail me your changes as unified 46 cx88-cards.c. If that worked, mail me your changes as unified
60 diff ("diff -u"). 47 diff ("diff -u").
61 (3) Or you can mail me the config information. I need at least the 483) Or you can mail me the config information. We need at least the
62 following information to add the card: 49 following information to add the card:
63 50
64 * the PCI Subsystem ID ("0070:3400" from the line above, 51 - the PCI Subsystem ID ("0070:3400" from the line above,
65 "lspci -v" output is fine too). 52 "lspci -v" output is fine too).
66 * the tuner type used by the card. You can try to find one by 53 - the tuner type used by the card. You can try to find one by
67 trial-and-error using the tuner=<n> insmod option. If you 54 trial-and-error using the tuner=<n> insmod option. If you
68 know which one the card has you can also have a look at the 55 know which one the card has you can also have a look at the
69 list in CARDLIST.tuner 56 list in CARDLIST.tuner
70 57
71Have fun,
72
73 Gerd
74 58
75--
76Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]