diff options
| -rw-r--r-- | sound/soc/intel/avs/avs.h | 1 | ||||
| -rw-r--r-- | sound/soc/intel/avs/core.c | 11 |
2 files changed, 9 insertions, 3 deletions
diff --git a/sound/soc/intel/avs/avs.h b/sound/soc/intel/avs/avs.h index d694e08e44e1..cb4302816e74 100644 --- a/sound/soc/intel/avs/avs.h +++ b/sound/soc/intel/avs/avs.h @@ -127,6 +127,7 @@ struct avs_dev { int *core_refs; /* reference count per core */ char **lib_names; int num_lp_paths; + atomic_t l1sen_counter; /* controls whether L1SEN should be disabled */ struct completion fw_ready; struct work_struct probe_work; diff --git a/sound/soc/intel/avs/core.c b/sound/soc/intel/avs/core.c index db78eb2f0108..30baaa5de016 100644 --- a/sound/soc/intel/avs/core.c +++ b/sound/soc/intel/avs/core.c @@ -69,9 +69,14 @@ void avs_hda_clock_gating_enable(struct avs_dev *adev, bool enable) void avs_hda_l1sen_enable(struct avs_dev *adev, bool enable) { - u32 value = enable ? AZX_VS_EM2_L1SEN : 0; - - snd_hdac_chip_updatel(&adev->base.core, VS_EM2, AZX_VS_EM2_L1SEN, value); + if (enable) { + if (atomic_inc_and_test(&adev->l1sen_counter)) + snd_hdac_chip_updatel(&adev->base.core, VS_EM2, AZX_VS_EM2_L1SEN, + AZX_VS_EM2_L1SEN); + } else { + if (atomic_dec_return(&adev->l1sen_counter) == -1) + snd_hdac_chip_updatel(&adev->base.core, VS_EM2, AZX_VS_EM2_L1SEN, 0); + } } static int avs_hdac_bus_init_streams(struct hdac_bus *bus) |