[BKPATCH 2.5] meye driver: get parameters from the kernel command line

[Stelian Pop <stelian.pop@fr.alcove.com>]

Hi,

This patch enables the meye driver to get its parameters from
the kernel command line using a "meye=" style syntax.

Linus, please apply.

Stelian.


You can import this changeset into BK by piping this whole message to
'| bk receive [path to repository]' or apply the patch as usual.

===================================================================


ChangeSet@1.533, 2002-04-17 16:54:44+02:00, stelian@popies.net
  Enable the meye driver to get parameters on the kernel command line.


 Documentation/video4linux/meye.txt |   10 +++++++++-
 drivers/media/video/meye.c         |   21 +++++++++++++++++++++
 drivers/media/video/meye.h         |    2 +-
 3 files changed, 31 insertions(+), 2 deletions(-)


diff -Nru a/Documentation/video4linux/meye.txt b/Documentation/video4linux/meye.txt
--- a/Documentation/video4linux/meye.txt	Wed Apr 17 16:55:08 2002
+++ b/Documentation/video4linux/meye.txt	Wed Apr 17 16:55:08 2002
@@ -15,8 +15,16 @@
 
 MJPEG hardware grabbing is supported via a private API (see below).
 
-Module options:
+Driver options:
 ---------------
+
+Several options can be passed to the meye driver, either by adding them
+to /etc/modules.conf file, when the driver is compiled as a module, or
+by adding the following to the kernel command line (in your bootloader):
+
+	meye=gbuffers[,gbufsize[,video_nr]]
+
+where:
 
 	gbuffers:	number of capture buffers, default is 2 (32 max)
 
diff -Nru a/drivers/media/video/meye.c b/drivers/media/video/meye.c
--- a/drivers/media/video/meye.c	Wed Apr 17 16:55:08 2002
+++ b/drivers/media/video/meye.c	Wed Apr 17 16:55:08 2002
@@ -1420,6 +1420,27 @@
 	pci_unregister_driver(&meye_driver);
 }
 
+#ifndef MODULE
+static int __init meye_setup(char *str) {
+	int ints[4];
+
+	str = get_options(str, ARRAY_SIZE(ints), ints);
+	if (ints[0] <= 0) 
+		goto out;
+	gbuffers = ints[1];
+	if (ints[0] == 1)
+		goto out;
+	gbufsize = ints[2];
+	if (ints[0] == 2)
+		goto out;
+	video_nr = ints[3];
+out:
+	return 1;
+}
+
+__setup("meye=", meye_setup);
+#endif
+
 MODULE_AUTHOR("Stelian Pop <stelian.pop@fr.alcove.com>");
 MODULE_DESCRIPTION("video4linux driver for the MotionEye camera");
 MODULE_LICENSE("GPL");
diff -Nru a/drivers/media/video/meye.h b/drivers/media/video/meye.h
--- a/drivers/media/video/meye.h	Wed Apr 17 16:55:08 2002
+++ b/drivers/media/video/meye.h	Wed Apr 17 16:55:08 2002
@@ -29,7 +29,7 @@
 #define _MEYE_PRIV_H_
 
 #define MEYE_DRIVER_MAJORVERSION	1
-#define MEYE_DRIVER_MINORVERSION	3
+#define MEYE_DRIVER_MINORVERSION	4
 
 /****************************************************************************/
 /* Motion JPEG chip registers                                               */

===================================================================


This BitKeeper patch contains the following changesets:
+
## Wrapped with gzip_uu ##


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end
-- 
Stelian Pop <stelian.pop@fr.alcove.com>
Alcove - http://www.alcove.com