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| author | Guennadi Liakhovetski <lg@denx.de> | 2008-12-18 12:28:54 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-12-30 09:40:22 -0200 |
| commit | 1c3bb7431d16f7486a8523d54380bad89c485dc8 (patch) | |
| tree | 89dd8e65f627df726e70de771130398ba73148b3 /include/media/soc_camera.h | |
| parent | bf507158eb27ea94aca300b28ecee60fdbb40007 (diff) | |
| download | lwn-1c3bb7431d16f7486a8523d54380bad89c485dc8.tar.gz lwn-1c3bb7431d16f7486a8523d54380bad89c485dc8.zip | |
V4L/DVB (10083): soc-camera: unify locking, play nicer with videobuf locking
Move mutex from host drivers to camera device object, take into account
videobuf locking.
Signed-off-by: Guennadi Liakhovetski <lg@denx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/soc_camera.h')
| -rw-r--r-- | include/media/soc_camera.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/include/media/soc_camera.h b/include/media/soc_camera.h index 38b826c608be..8bae9a359d93 100644 --- a/include/media/soc_camera.h +++ b/include/media/soc_camera.h @@ -12,9 +12,10 @@ #ifndef SOC_CAMERA_H #define SOC_CAMERA_H +#include <linux/mutex.h> +#include <linux/pm.h> #include <linux/videodev2.h> #include <media/videobuf-core.h> -#include <linux/pm.h> struct soc_camera_device { struct list_head list; @@ -45,9 +46,10 @@ struct soc_camera_device { struct soc_camera_format_xlate *user_formats; int num_user_formats; struct module *owner; - void *host_priv; /* per-device host private data */ - /* soc_camera.c private count. Only accessed with video_lock held */ + void *host_priv; /* Per-device host private data */ + /* soc_camera.c private count. Only accessed with .video_lock held */ int use_count; + struct mutex video_lock; /* Protects device data */ }; struct soc_camera_file { |