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ASoC: SOF: ipc: Only allow sending of an IPC in SOF_FW_BOOT_COMPLETE state 

If the state of the firmware is not BOOT_COMPLETE, it means that the
firmware is not functioning, thus it is not capable of handling IPC
messages.
Do not try to send IPC if the state is not BOOT_COMPLETE

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20211223113628.18582-12-peter.ujfalusi@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Peter Ujfalusi 2021-12-23 13:36:19 +02:00 committed by Mark Brown
parent d41607d37c
commit 9421ff7665
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1 changed files with 1 additions and 1 deletions
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2
sound/soc/sof/ipc.c
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@ -302,7 +302,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header,
struct snd_sof_ipc_msg *msg;
int ret;
if (ipc->disable_ipc_tx || sdev->fw_state == SOF_FW_CRASHED)
if (ipc->disable_ipc_tx || sdev->fw_state != SOF_FW_BOOT_COMPLETE)
return -ENODEV;
/*