From 4457ef1d6163533073efdebed82a049aad44e3b3 Mon Sep 17 00:00:00 2001 From: Janne Grunau Date: Tue, 1 Sep 2009 19:15:39 -0300 Subject: [PATCH] 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 Signed-off-by: Michael Krufky Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/Kconfig | 13 +++++++++++++ drivers/media/dvb/dvb-core/dvbdev.h | 5 +++++ 2 files changed, 18 insertions(+) diff --git a/drivers/media/dvb/Kconfig b/drivers/media/dvb/Kconfig index b0198691892a..1d0e4b1ef10c 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 487919bea7ae..895e2efca8a9 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) -- GitLab