xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

ASoC: Intel: Skylake: Add D0i3 mode ref counting

Browse Source 
For device opened/closed, we check the D0i3 capability for the device
and invoke skl_tplg_d0i3_get/put, which counts the use case based on the
mode supported.

These counters are then used to decide if the device can enter D0i3 mode
of streaming or non-streaming or no D0i3.

Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vinod Koul
2016-11-03 17:07:20 +05:30
committed by Mark Brown
parent 6bd9dcf339
commit a83e3b4c44
6 changed files with 74 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sound/soc/intel/skylake/skl-sst-ipc.c
View File

@@ -306,6 +306,23 @@ static void skl_ipc_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg)
header->primary | SKL_ADSP_REG_HIPCI_BUSY);
}
int skl_ipc_check_D0i0(struct sst_dsp *dsp, bool state)
{
int ret;
/* check D0i3 support */
if (!dsp->fw_ops.set_state_D0i0)
return 0;
/* Attempt D0i0 or D0i3 based on state */
if (state)
ret = dsp->fw_ops.set_state_D0i0(dsp);
else
ret = dsp->fw_ops.set_state_D0i3(dsp);
return ret;
}
static struct ipc_message *skl_ipc_reply_get_msg(struct sst_generic_ipc *ipc,
u64 ipc_header)
{