diff options
| author | Hans Verkuil <hans.verkuil@cisco.com> | 2014-04-17 06:44:31 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-05-23 14:16:53 -0300 |
| commit | a3f415abe08552ece58f3ada553482423296c46a (patch) | |
| tree | ec0a2797ed54ffc4468f7e531daaffd7f5049aee /drivers/media/pci/saa7134/saa7134-core.c | |
| parent | 2ada815fc48bb0267876c2c24b275bd06485f746 (diff) | |
[media] saa7134: add saa7134_userptr module option to enable USERPTR
If the saa7134 module is loaded with the saa7134_userptr set to 1,
then USERPTR support is enabled. A check in buffer_prepare
verifies that the pointer is page-aligned.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/pci/saa7134/saa7134-core.c')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-core.c b/drivers/media/pci/saa7134/saa7134-core.c index f4ea0ecec91e..be19a051a492 100644 --- a/drivers/media/pci/saa7134/saa7134-core.c +++ b/drivers/media/pci/saa7134/saa7134-core.c @@ -69,6 +69,10 @@ module_param_named(no_overlay, saa7134_no_overlay, int, 0444); MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)" " [some VIA/SIS chipsets are known to have problem with overlay]"); +bool saa7134_userptr; +module_param(saa7134_userptr, bool, 0644); +MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support"); + static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |