OrgACRN
/
sof
mirror of https://github.com/thesofproject/sof.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

dai: add DAI driver "hw_params" callback 

Add "hw_params" callback in order to provide the
stream information like stream rate, number of channels
and format to DAI IP driver.

Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
This commit is contained in:
Viorel Suman 2021-03-25 13:21:11 +02:00 committed by Daniel Baluta
parent c08f030d53
commit 9c72534836
2 changed files with 41 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
src/audio/dai.c
View File

@ -295,6 +295,25 @@ static int dai_comp_get_hw_params(struct comp_dev *dev,
return 0;
}
static int dai_comp_hw_params(struct comp_dev *dev,
struct sof_ipc_stream_params *params)
{
struct dai_data *dd = comp_get_drvdata(dev);
int ret;
comp_dbg(dev, "dai_comp_hw_params()");
/* configure hw dai stream params */
ret = dai_hw_params(dd->dai, params);
if (ret < 0) {
comp_err(dev, "dai_comp_hw_params(): dai_hw_params failed ret %d",
ret);
return ret;
}
return 0;
}
static int dai_verify_params(struct comp_dev *dev,
struct sof_ipc_stream_params *params)
{
@ -524,6 +543,13 @@ static int dai_params(struct comp_dev *dev,
return -EINVAL;
}
/* params verification passed, so now configure hw dai stream params */
err = dai_comp_hw_params(dev, params);
if (err < 0) {
comp_err(dev, "dai_params(): dai_comp_hw_params failed err %d", err);
return err;
}
if (dev->direction == SOF_IPC_STREAM_PLAYBACK)
dd->local_buffer = list_first_item(&dev->bsource_list,
struct comp_buffer,

15
src/include/sof/lib/dai.h
View File

@ -77,6 +77,7 @@ struct dai_ops {
int (*pm_context_store)(struct dai *dai);
int (*get_hw_params)(struct dai *dai,
struct sof_ipc_stream_params *params, int dir);
int (*hw_params)(struct dai *dai, struct sof_ipc_stream_params *params);
int (*get_handshake)(struct dai *dai, int direction, int stream_id);
int (*get_fifo)(struct dai *dai, int direction, int stream_id);
int (*probe)(struct dai *dai);
@ -378,6 +379,20 @@ static inline int dai_get_hw_params(struct dai *dai,
return ret;
}
/**
* \brief Configure Digital Audio interface stream parameters
*/
static inline int dai_hw_params(struct dai *dai,
struct sof_ipc_stream_params *params)
{
int ret = 0;
if (dai->drv->ops.hw_params)
ret = dai->drv->ops.hw_params(dai, params);
return ret;
}
/**
* \brief Get Digital Audio interface DMA Handshake
*/