diff options
author | Cezary Rojewski <cezary.rojewski@intel.com> | 2022-07-07 15:41:47 +0300 |
---|---|---|
committer | Mark Brown <broonie@kernel.org> | 2022-07-08 20:53:22 +0300 |
commit | daa36bbcd78bca24db84e273bcafec9a8f81c767 (patch) | |
tree | 40a2dd607d91c3da2804298905b5598c34950407 /sound/soc/intel/avs/core.c | |
parent | 00566ad4ce9d394c6ebaacde12eda06eef4e5279 (diff) | |
download | linux-daa36bbcd78bca24db84e273bcafec9a8f81c767.tar.xz |
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/avs/core.c')
-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); |