diff options
| author | Keyon Jie <yang.jie@linux.intel.com> | 2019-10-25 17:40:57 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-10-28 14:39:34 +0000 |
| commit | 4c19030c511fd6eab029bae838f736256d2f43cd (patch) | |
| tree | e94d2d22b306b41951095e63e5d45957e9b4e875 /sound | |
| parent | 5db8617ba7e8fcda1c5dd310c62ac8d31eaf9eae (diff) | |
ASoC: SOF: add a field to store the current D0 substate of DSP
Add field d0_substate to struct snd_sof_dev to store the current DSP
D0 sub-state(only meaningful when DSP in D0), which could be D0I0 or
D0I3.
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/20191025224122.7718-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/sof-priv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index 2d40de5ee285..481dfe4ee2d0 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -68,6 +68,12 @@ extern int sof_core_debug; #define DMA_CHAN_INVALID 0xFFFFFFFF +/* DSP D0ix sub-state */ +enum sof_d0_substate { + SOF_DSP_D0I0 = 0, /* DSP default D0 substate */ + SOF_DSP_D0I3, /* DSP D0i3(low power) substate*/ +}; + struct snd_sof_dev; struct snd_sof_ipc_msg; struct snd_sof_ipc; @@ -387,6 +393,9 @@ struct snd_sof_dev { */ struct snd_soc_component_driver plat_drv; + /* power states related */ + enum sof_d0_substate d0_substate; + /* DSP firmware boot */ wait_queue_head_t boot_wait; u32 boot_complete; |