C++ (Cpp) cx18_mdl_sync_for_deviceの例

コード例 #1

ファイル: cx18-streams.c プロジェクト: AllenDou/linux

static
struct cx18_queue *_cx18_stream_put_mdl_fw(struct cx18_stream *s,
					   struct cx18_mdl *mdl)
{
	struct cx18 *cx = s->cx;
	struct cx18_queue *q;

	/* Don't give it to the firmware, if we're not running a capture */
	if (s->handle == CX18_INVALID_TASK_HANDLE ||
	    test_bit(CX18_F_S_STOPPING, &s->s_flags) ||
	    !test_bit(CX18_F_S_STREAMING, &s->s_flags))
		return cx18_enqueue(s, mdl, &s->q_free);

	q = cx18_enqueue(s, mdl, &s->q_busy);
	if (q != &s->q_busy)
		return q; /* The firmware has the max MDLs it can handle */

	cx18_mdl_sync_for_device(s, mdl);
	cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle,
		  (void __iomem *) &cx->scb->cpu_mdl[mdl->id] - cx->enc_mem,
		  s->bufs_per_mdl, mdl->id, s->mdl_size);
	return q;
}

コード例 #2

ファイル: cx18-streams.c プロジェクト: DirtyDroidX/android_kernel_htc_m8ul

static
struct cx18_queue *_cx18_stream_put_mdl_fw(struct cx18_stream *s,
					   struct cx18_mdl *mdl)
{
	struct cx18 *cx = s->cx;
	struct cx18_queue *q;

	
	if (s->handle == CX18_INVALID_TASK_HANDLE ||
	    test_bit(CX18_F_S_STOPPING, &s->s_flags) ||
	    !test_bit(CX18_F_S_STREAMING, &s->s_flags))
		return cx18_enqueue(s, mdl, &s->q_free);

	q = cx18_enqueue(s, mdl, &s->q_busy);
	if (q != &s->q_busy)
		return q; 

	cx18_mdl_sync_for_device(s, mdl);
	cx18_vapi(cx, CX18_CPU_DE_SET_MDL, 5, s->handle,
		  (void __iomem *) &cx->scb->cpu_mdl[mdl->id] - cx->enc_mem,
		  s->bufs_per_mdl, mdl->id, s->mdl_size);
	return q;
}