static int start_streaming(struct vb2_queue *q, unsigned int count)
{
struct fimc_lite *fimc = q->drv_priv;
int ret;
fimc->frame_count = 0;
ret = fimc_lite_hw_init(fimc);
if (ret) {
fimc_lite_reinit(fimc, false);
return ret;
}
set_bit(ST_FLITE_PENDING, &fimc->state);
if (!list_empty(&fimc->active_buf_q) &&
!test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) {
flite_hw_capture_start(fimc);
if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
fimc_pipeline_call(fimc, set_stream,
&fimc->pipeline, 1);
}
if (debug > 0)
flite_hw_dump_regs(fimc, __func__);
return 0;
}
static int start_streaming(struct vb2_queue *q, unsigned int count)
{
struct fimc_lite *fimc = q->drv_priv;
unsigned long flags;
int ret;
spin_lock_irqsave(&fimc->slock, flags);
fimc->buf_index = 0;
fimc->frame_count = 0;
spin_unlock_irqrestore(&fimc->slock, flags);
ret = fimc_lite_hw_init(fimc, false);
if (ret) {
fimc_lite_reinit(fimc, false);
return ret;
}
set_bit(ST_FLITE_PENDING, &fimc->state);
if (!list_empty(&fimc->active_buf_q) &&
!test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) {
flite_hw_capture_start(fimc);
if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state))
fimc_pipeline_call(&fimc->ve, set_stream, 1);
}
if (debug > 0)
flite_hw_dump_regs(fimc, __func__);
return 0;
}
static int fimc_lite_stop_capture(struct fimc_lite *fimc, bool suspend)
{
unsigned long flags;
if (!fimc_lite_active(fimc))
return 0;
spin_lock_irqsave(&fimc->slock, flags);
set_bit(ST_FLITE_OFF, &fimc->state);
flite_hw_capture_stop(fimc);
spin_unlock_irqrestore(&fimc->slock, flags);
wait_event_timeout(fimc->irq_queue,
!test_bit(ST_FLITE_OFF, &fimc->state),
(2*HZ/10)); /* 200 ms */
return fimc_lite_reinit(fimc, suspend);
}
