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

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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Link: https://lore.kernel.org/r/20200228231850.9226-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Keyon Jie 2020-02-28 17:18:49 -06:00 committed by Mark Brown
parent 1919b42ca4
commit 8354d9b445
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GPG Key ID: 24D68B725D5487D0
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)));