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path: root/drivers/media/video/pvrusb2/pvrusb2-context.c
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Diffstat (limited to 'drivers/media/video/pvrusb2/pvrusb2-context.c')
-rw-r--r--drivers/media/video/pvrusb2/pvrusb2-context.c55
1 files changed, 17 insertions, 38 deletions
diff --git a/drivers/media/video/pvrusb2/pvrusb2-context.c b/drivers/media/video/pvrusb2/pvrusb2-context.c
index 22719ba861a..9d94aed2e12 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-context.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-context.c
@@ -31,52 +31,32 @@
static void pvr2_context_destroy(struct pvr2_context *mp)
{
- if (mp->hdw) pvr2_hdw_destroy(mp->hdw);
pvr2_trace(PVR2_TRACE_STRUCT,"Destroying pvr_main id=%p",mp);
- if (mp->workqueue) {
- flush_workqueue(mp->workqueue);
- destroy_workqueue(mp->workqueue);
- }
+ if (mp->hdw) pvr2_hdw_destroy(mp->hdw);
kfree(mp);
}
-static void pvr2_context_trigger_poll(struct pvr2_context *mp)
-{
- queue_work(mp->workqueue,&mp->workpoll);
-}
-
-
-static void pvr2_context_poll(struct work_struct *work)
-{
- struct pvr2_context *mp =
- container_of(work, struct pvr2_context, workpoll);
- pvr2_context_enter(mp); do {
- pvr2_hdw_poll(mp->hdw);
- } while (0); pvr2_context_exit(mp);
-}
-
-
-static void pvr2_context_setup(struct work_struct *work)
+static void pvr2_context_state_check(struct pvr2_context *mp)
{
- struct pvr2_context *mp =
- container_of(work, struct pvr2_context, workinit);
+ if (mp->init_flag) return;
+
+ switch (pvr2_hdw_get_state(mp->hdw)) {
+ case PVR2_STATE_WARM: break;
+ case PVR2_STATE_ERROR: break;
+ case PVR2_STATE_READY: break;
+ case PVR2_STATE_RUN: break;
+ default: return;
+ }
pvr2_context_enter(mp); do {
- if (!pvr2_hdw_dev_ok(mp->hdw)) break;
- pvr2_hdw_setup(mp->hdw);
- pvr2_hdw_setup_poll_trigger(
- mp->hdw,
- (void (*)(void *))pvr2_context_trigger_poll,
- mp);
- if (!pvr2_hdw_dev_ok(mp->hdw)) break;
- if (!pvr2_hdw_init_ok(mp->hdw)) break;
+ mp->init_flag = !0;
mp->video_stream.stream = pvr2_hdw_get_video_stream(mp->hdw);
if (mp->setup_func) {
mp->setup_func(mp);
}
} while (0); pvr2_context_exit(mp);
-}
+ }
struct pvr2_context *pvr2_context_create(
@@ -96,11 +76,10 @@ struct pvr2_context *pvr2_context_create(
mp = NULL;
goto done;
}
-
- mp->workqueue = create_singlethread_workqueue("pvrusb2");
- INIT_WORK(&mp->workinit, pvr2_context_setup);
- INIT_WORK(&mp->workpoll, pvr2_context_poll);
- queue_work(mp->workqueue,&mp->workinit);
+ pvr2_hdw_set_state_callback(mp->hdw,
+ (void (*)(void *))pvr2_context_state_check,
+ mp);
+ pvr2_context_state_check(mp);
done:
return mp;
}