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ASoC: SOF: sof-client: Add API to get the maximum IPC payload size

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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: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Link: https://lore.kernel.org/r/20220506132647.18690-2-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2022-05-06 16:26:40 +03:00 committed by Mark Brown
parent 17770e66a7
commit a669ec5f4b
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 9 additions and 0 deletions
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8
sound/soc/sof/sof-client.c
View File

@ -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)
{

1
sound/soc/sof/sof-client.h
View File

@ -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);