diff options
| -rw-r--r-- | drivers/mxc/asrc/mxc_asrc.c | 15 | ||||
| -rw-r--r-- | include/linux/mxc_asrc.h | 1 |
2 files changed, 16 insertions, 0 deletions
diff --git a/drivers/mxc/asrc/mxc_asrc.c b/drivers/mxc/asrc/mxc_asrc.c index 13cf635b4f03..8ce2197be9b2 100644 --- a/drivers/mxc/asrc/mxc_asrc.c +++ b/drivers/mxc/asrc/mxc_asrc.c @@ -860,9 +860,20 @@ static void asrc_output_dma_callback(void *data) params->output_counter++; wake_up_interruptible(¶ms->output_wait_queue); spin_unlock_irqrestore(&output_int_lock, lock_flags); + + schedule_work(¶ms->task_output_work); return; } +static void asrc_output_task_worker(struct work_struct *w) +{ + struct asrc_pair_params *params = + container_of(w, struct asrc_pair_params, task_output_work); + + /* asrc output work struct */ +} + + static void mxc_free_dma_buf(struct asrc_pair_params *params) { if (params->input_dma_total.dma_vaddr != NULL) { @@ -1140,6 +1151,10 @@ static long asrc_ioctl(struct file *file, init_waitqueue_head(¶ms->input_wait_queue); init_waitqueue_head(¶ms->output_wait_queue); + /* Add work struct to cover the task of + * receive last period of output data.*/ + INIT_WORK(¶ms->task_output_work, + asrc_output_task_worker); if (copy_to_user ((void __user *)arg, &config, diff --git a/include/linux/mxc_asrc.h b/include/linux/mxc_asrc.h index 638d401256d7..4d6149a64be9 100644 --- a/include/linux/mxc_asrc.h +++ b/include/linux/mxc_asrc.h @@ -215,6 +215,7 @@ struct asrc_pair_params { struct dma_block output_dma[ASRC_DMA_BUFFER_NUM]; struct dma_async_tx_descriptor *desc_in; struct dma_async_tx_descriptor *desc_out; + struct work_struct task_output_work; }; struct asrc_data { |