diff options
| author |   Keyon Jie <yang.jie@linux.intel.com> | 2019-10-25 17:41:13 -0500 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-10-28 14:44:17 +0000 |
| commit | 601252869f50af6f5ab377e7f4846d7b09cc66c0 (patch) | |
| tree | 62f135ab404e74d0c3b7a60c6ac33e0b81cdc933 /sound/soc/sof/pm.c | |
| parent | ASoC: SOF: configure D0ix IPC flags in set_power_state (diff) | |
| download | wireguard-linux-601252869f50af6f5ab377e7f4846d7b09cc66c0.tar.xz wireguard-linux-601252869f50af6f5ab377e7f4846d7b09cc66c0.zip | |
ASoC: SOF: PM: add helpers for setting D0 substate for ADSP
Add snd_sof_set_d0_substate() helper for setting ADSP to a specific D0
substate, it will call into the platform specific implementation, and
update the d0_substate at success.
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-18-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/pm.c')
| -rw-r--r-- | sound/soc/sof/pm.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sound/soc/sof/pm.c b/sound/soc/sof/pm.c index ac900fb3379e..584241e9734a 100644 --- a/sound/soc/sof/pm.c +++ b/sound/soc/sof/pm.c @@ -411,6 +411,23 @@ int snd_sof_runtime_resume(struct device *dev) } EXPORT_SYMBOL(snd_sof_runtime_resume); +int snd_sof_set_d0_substate(struct snd_sof_dev *sdev, + enum sof_d0_substate d0_substate) +{ + int ret; + + /* do platform specific set_state */ + ret = snd_sof_dsp_set_power_state(sdev, d0_substate); + if (ret < 0) + return ret; + + /* update dsp D0 sub-state */ + sdev->d0_substate = d0_substate; + + return 0; +} +EXPORT_SYMBOL(snd_sof_set_d0_substate); + int snd_sof_resume(struct device *dev) { return sof_resume(dev, false); |