diff options
Diffstat (limited to 'sound/soc/intel/avs/dsp.c')
| -rw-r--r-- | sound/soc/intel/avs/dsp.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sound/soc/intel/avs/dsp.c b/sound/soc/intel/avs/dsp.c index 06d2f7af520f..b881100d3e02 100644 --- a/sound/soc/intel/avs/dsp.c +++ b/sound/soc/intel/avs/dsp.c @@ -13,6 +13,7 @@ #define AVS_ADSPCS_INTERVAL_US 500 #define AVS_ADSPCS_TIMEOUT_US 50000 +#define AVS_ADSPCS_DELAY_US 1000 int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power) { @@ -26,6 +27,8 @@ int avs_dsp_core_power(struct avs_dev *adev, u32 core_mask, bool power) value = power ? mask : 0; snd_hdac_adsp_updatel(adev, AVS_ADSP_REG_ADSPCS, mask, value); + /* Delay the polling to avoid false positives. */ + usleep_range(AVS_ADSPCS_DELAY_US, 2 * AVS_ADSPCS_DELAY_US); mask = AVS_ADSPCS_CPA_MASK(core_mask); value = power ? mask : 0; @@ -82,11 +85,15 @@ int avs_dsp_core_stall(struct avs_dev *adev, u32 core_mask, bool stall) reg, (reg & mask) == value, AVS_ADSPCS_INTERVAL_US, AVS_ADSPCS_TIMEOUT_US); - if (ret) + if (ret) { dev_err(adev->dev, "core_mask %d %sstall failed: %d\n", core_mask, stall ? "" : "un", ret); + return ret; + } - return ret; + /* Give HW time to propagate the change. */ + usleep_range(AVS_ADSPCS_DELAY_US, 2 * AVS_ADSPCS_DELAY_US); + return 0; } int avs_dsp_core_enable(struct avs_dev *adev, u32 core_mask) |