Unverified Commit a669ec5f authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
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ASoC: SOF: sof-client: Add API to get the maximum IPC payload size 



Provide a way for the client drivers to query the maximum payload size of
an IPC message.
Currently clients do not have access to this information and they can only
use the SOF_IPC_MSG_MAX_SIZE defined value.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarRanjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220506132647.18690-2-peter.ujfalusi@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 17770e66

sound/soc/sof/sof-client.c

+8 −0
Original line number Diff line number Diff line
@@ -319,6 +319,14 @@ const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev 
}

EXPORT_SYMBOL_NS_GPL(sof_client_get_fw_version, SND_SOC_SOF_CLIENT);



size_t sof_client_get_ipc_max_payload_size(struct sof_client_dev *cdev)

{

	struct snd_sof_dev *sdev = sof_client_dev_to_sof_dev(cdev);



	return sdev->ipc->max_payload_size;

}

EXPORT_SYMBOL_NS_GPL(sof_client_get_ipc_max_payload_size, SND_SOC_SOF_CLIENT);



/* module refcount management of SOF core */

int sof_client_core_module_get(struct sof_client_dev *cdev)

{

sound/soc/sof/sof-client.h

+1 −0
Original line number Diff line number Diff line
@@ -41,6 +41,7 @@ int sof_client_ipc_tx_message(struct sof_client_dev *cdev, void *ipc_msg, 
struct dentry *sof_client_get_debugfs_root(struct sof_client_dev *cdev);

struct device *sof_client_get_dma_dev(struct sof_client_dev *cdev);

const struct sof_ipc_fw_version *sof_client_get_fw_version(struct sof_client_dev *cdev);

size_t sof_client_get_ipc_max_payload_size(struct sof_client_dev *cdev);



/* module refcount management of SOF core */

int sof_client_core_module_get(struct sof_client_dev *cdev);