Unverified Commit daa36bbc authored by Cezary Rojewski's avatar Cezary Rojewski Committed by Mark Brown
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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: default avatarCezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220707124153.1858249-7-cezary.rojewski@intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 00566ad4

sound/soc/intel/avs/core.c

+1 −0
Original line number Diff line number Diff line
@@ -556,6 +556,7 @@ static int __maybe_unused avs_suspend_common(struct avs_dev *adev) 
		return AVS_IPC_RET(ret);

	}



	avs_ipc_block(adev->ipc);

	avs_dsp_op(adev, int_control, false);

	snd_hdac_ext_bus_ppcap_int_enable(bus, false);