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author | Janne Grunau <j@jannau.net> | 2009-09-01 22:15:39 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-12 15:20:03 (GMT) |
commit | 4457ef1d6163533073efdebed82a049aad44e3b3 (patch) | |
tree | faf7001493af74cd315b2f44ca8053debd5deb6e | |
parent | f9089b0f9ed48be9c83101d1f1fded37b415a90e (diff) | |
download | linux-fsl-qoriq-4457ef1d6163533073efdebed82a049aad44e3b3.tar.xz |
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>
-rw-r--r-- | drivers/media/dvb/Kconfig | 13 | ||||
-rw-r--r-- | drivers/media/dvb/dvb-core/dvbdev.h | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index b019869..1d0e4b1 100644 --- a/drivers/media/dvb/Kconfig +++ b/drivers/media/dvb/Kconfig @@ -2,6 +2,19 @@ # 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 bool "Dynamic DVB minor allocation" depends on DVB_CORE diff --git a/drivers/media/dvb/dvb-core/dvbdev.h b/drivers/media/dvb/dvb-core/dvbdev.h index 487919b..895e2ef 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.h +++ b/drivers/media/dvb/dvb-core/dvbdev.h @@ -30,7 +30,12 @@ #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 +#endif #define DVB_UNSET (-1) |