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| author |   Cezary Rojewski <cezary.rojewski@intel.com> | 2022-07-07 14:41:47 +0200 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2022-07-08 18:53:22 +0100 |
| commit | daa36bbcd78bca24db84e273bcafec9a8f81c767 (patch) | |
| tree | 40a2dd607d91c3da2804298905b5598c34950407 /sound/soc/intel | |
| parent | ASoC: Intel: avs: Shield LARGE_CONFIG_GETs against zero payload_size (diff) | |
| download | linux-dev-daa36bbcd78bca24db84e273bcafec9a8f81c767.tar.xz linux-dev-daa36bbcd78bca24db84e273bcafec9a8f81c767.zip | |
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>
Diffstat (limited to 'sound/soc/intel')
| -rw-r--r-- | sound/soc/intel/avs/core.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index 664f87c33e9d..4234adeb3d1c 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -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); |