ASoC: Intel: avs: Block IPC channel on suspend
To allow for driver's filesystem interfaces e.g.: debugfs, to be touched even when the device is asleep, mark IPC-channel as blocked when the device is suspended. This causes any invocation of said interfaces that do not toggle PM themselves to gracefully fail with "Operation not permitted" message. Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com> Link: https://lore.kernel.org/r/20220707124153.1858249-7-cezary.rojewski@intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -556,6 +556,7 @@ static int __maybe_unused avs_suspend_common(struct avs_dev *adev)
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return AVS_IPC_RET(ret);
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}
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avs_ipc_block(adev->ipc);
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avs_dsp_op(adev, int_control, false);
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snd_hdac_ext_bus_ppcap_int_enable(bus, false);
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