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ASoC: SOF: Intel: hda-loader: clear the IPC ack bit after FW_PURGE done

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Set DONE bit after the FW_PURGE IPC is polled successfully, to clear the
interrupt and avoid the arrival of the confusing unexpected ipc.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
This commit is contained in:
Keyon Jie 2019-11-09 05:21:00 +08:00 committed by Pierre Bossart
parent 2a37cf0b8b
commit 0e1a9616fa
1 changed files with 6 additions and 0 deletions
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6
sound/soc/sof/intel/hda-loader.c
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@ -131,6 +131,12 @@ static int cl_dsp_init(struct snd_sof_dev *sdev, const void *fwdata,
goto err;
}
/* set DONE bit to clear the reply IPC message */
snd_sof_dsp_update_bits_forced(sdev, HDA_DSP_BAR,
chip->ipc_ack,
chip->ipc_ack_mask,
chip->ipc_ack_mask);
/* step 5: power down corex */
ret = hda_dsp_core_power_down(sdev,
chip->cores_mask & ~(HDA_DSP_CORE_MASK(0)));