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V4L/DVB (12684): DVB: make DVB_MAX_ADAPTERS configurable 

Support for more than 8 DVB devices is requested regularly so make it
a kconfig variable instead of a header define. Values in the range 4-32
are tested.

Signed-off-by: Janne Grunau <j@jannau.net>
Signed-off-by: Michael Krufky <mkrufky@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Janne Grunau 2009-09-01 19:15:39 -03:00 committed by Mauro Carvalho Chehab
parent f9089b0f9e
commit 4457ef1d61
2 changed files with 18 additions and 0 deletions
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13
drivers/media/dvb/Kconfig
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@ -2,6 +2,19 @@
# DVB device configuration # DVB device configuration
# #
config DVB_MAX_ADAPTERS
int "maximum number of DVB/ATSC adapters"
depends on DVB_CORE
default 8
range 1 255
help
Maximum number of DVB/ATSC adapters. Increasing this number
increases the memory consumption of the DVB subsystem even
if a much lower number of DVB/ATSC adapters is present.
Only values in the range 4-32 are tested.
If you are unsure about this, use the default value 8
config DVB_DYNAMIC_MINORS config DVB_DYNAMIC_MINORS
bool "Dynamic DVB minor allocation" bool "Dynamic DVB minor allocation"
depends on DVB_CORE depends on DVB_CORE

5
drivers/media/dvb/dvb-core/dvbdev.h
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@ -30,7 +30,12 @@
#define DVB_MAJOR 212 #define DVB_MAJOR 212
#if defined(CONFIG_DVB_MAX_ADAPTERS) && CONFIG_DVB_MAX_ADAPTERS > 0
#define DVB_MAX_ADAPTERS CONFIG_DVB_MAX_ADAPTERS
#else
#warning invalid CONFIG_DVB_MAX_ADAPTERS value
#define DVB_MAX_ADAPTERS 8 #define DVB_MAX_ADAPTERS 8
#endif
#define DVB_UNSET (-1) #define DVB_UNSET (-1)