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author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-17 16:57:24 (GMT) |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-07-17 17:02:54 (GMT) |
commit | 70e8d3e999548f798108228fcbf8366652bff06f (patch) | |
tree | cbf6ce9b4780d4b2a8b321eb08d5d593e8d909a0 /Documentation/media | |
parent | d91b11bfdb6dd83f4cd0538a9af65276b9b77ace (diff) | |
download | linux-70e8d3e999548f798108228fcbf8366652bff06f.tar.xz |
[media] doc-rst: convert udev chapter to rst
This chapter is outdated. I almost removed, but, as we're lacking
documentation about how to make DVB devices persistent, I opted,
instead, to keep it, and add a note about that.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'Documentation/media')
-rw-r--r-- | Documentation/media/dvb-drivers/index.rst | 1 | ||||
-rw-r--r-- | Documentation/media/dvb-drivers/udev.rst | 31 |
2 files changed, 24 insertions, 8 deletions
diff --git a/Documentation/media/dvb-drivers/index.rst b/Documentation/media/dvb-drivers/index.rst index dbc4195..14da36f 100644 --- a/Documentation/media/dvb-drivers/index.rst +++ b/Documentation/media/dvb-drivers/index.rst @@ -29,4 +29,5 @@ License". opera-firmware technisat ttusb-dec + udev contributors diff --git a/Documentation/media/dvb-drivers/udev.rst b/Documentation/media/dvb-drivers/udev.rst index 412305b..7d7d5d8 100644 --- a/Documentation/media/dvb-drivers/udev.rst +++ b/Documentation/media/dvb-drivers/udev.rst @@ -1,9 +1,22 @@ +UDEV rules for DVB +================== + +.. note:: + + #) This documentation is outdated. Udev on modern distributions auto-detect + the DVB devices. + + #) **TODO:** change this document to explain how to make DVB devices + persistent, as, when a machine has multiple devices, they may be detected + on different orders, which could cause apps that relies on the device + numbers to fail. + The DVB subsystem currently registers to the sysfs subsystem using the "class_simple" interface. This means that only the basic information like module loading parameters are presented through sysfs. Other things that might be interesting are -currently *not* available. +currently **not** available. Nevertheless it's now possible to add proper udev rules so that the DVB device nodes are created automatically. @@ -21,10 +34,11 @@ The script should be called "dvb.sh" and should be placed into a script dir where udev can execute it, most likely /etc/udev/scripts/ So, create a new file /etc/udev/scripts/dvb.sh and add the following: -------------------------------schnipp------------------------------------------------ -#!/bin/sh -/bin/echo $1 | /bin/sed -e 's,dvb\([0-9]\)\.\([^0-9]*\)\([0-9]\),dvb/adapter\1/\2\3,' -------------------------------schnipp------------------------------------------------ + +.. code-block:: none + + #!/bin/sh + /bin/echo $1 | /bin/sed -e 's,dvb\([0-9]\)\.\([^0-9]*\)\([0-9]\),dvb/adapter\1/\2\3,' Don't forget to make the script executable with "chmod". @@ -34,9 +48,10 @@ directory for rule files. The main udev configuration file /etc/udev/udev.conf will tell you the directory where the rules are, most likely it's /etc/udev/rules.d/ Create a new rule file in that directory called "dvb.rule" and add the following line: -------------------------------schnipp------------------------------------------------ -KERNEL="dvb*", PROGRAM="/etc/udev/scripts/dvb.sh %k", NAME="%c" -------------------------------schnipp------------------------------------------------ + +.. code-block:: none + + KERNEL="dvb*", PROGRAM="/etc/udev/scripts/dvb.sh %k", NAME="%c" If you want more control over the device nodes (for example a special group membership) have a look at "man udev". |