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| author | Vinod Koul <vinod.koul@intel.com> | 2016-11-03 17:07:20 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-11-03 11:14:42 -0600 |
| commit | a83e3b4c4454ecdc473cf09aa1c9d1705623c4cc (patch) | |
| tree | 165721daa72811beddab5dcf764e1e91b9408adc /sound/soc/intel/skylake/skl-pcm.c | |
| parent | 6bd9dcf339ebb292fa149ee0e52ea3c9d9822553 (diff) | |
| download | op-kernel-dev-a83e3b4c4454ecdc473cf09aa1c9d1705623c4cc.zip op-kernel-dev-a83e3b4c4454ecdc473cf09aa1c9d1705623c4cc.tar.gz | |
ASoC: Intel: Skylake: Add D0i3 mode ref counting
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>
Diffstat (limited to 'sound/soc/intel/skylake/skl-pcm.c')
| -rw-r--r-- | sound/soc/intel/skylake/skl-pcm.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/skl-pcm.c b/sound/soc/intel/skylake/skl-pcm.c index b69e05e..84b5101 100644 --- a/sound/soc/intel/skylake/skl-pcm.c +++ b/sound/soc/intel/skylake/skl-pcm.c @@ -144,6 +144,8 @@ static int skl_pcm_open(struct snd_pcm_substream *substream, struct hdac_ext_stream *stream; struct snd_pcm_runtime *runtime = substream->runtime; struct skl_dma_params *dma_params; + struct skl *skl = get_skl_ctx(dai->dev); + struct skl_module_cfg *mconfig; dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); @@ -177,6 +179,9 @@ static int skl_pcm_open(struct snd_pcm_substream *substream, skl_set_suspend_active(substream, dai, true); snd_pcm_set_sync(substream); + mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); + skl_tplg_d0i3_get(skl, mconfig->d0i3_caps); + return 0; } @@ -302,6 +307,7 @@ static void skl_pcm_close(struct snd_pcm_substream *substream, struct hdac_ext_bus *ebus = dev_get_drvdata(dai->dev); struct skl_dma_params *dma_params = NULL; struct skl *skl = ebus_to_skl(ebus); + struct skl_module_cfg *mconfig; dev_dbg(dai->dev, "%s: %s\n", __func__, dai->name); @@ -325,6 +331,9 @@ static void skl_pcm_close(struct snd_pcm_substream *substream, skl->skl_sst->miscbdcg_disabled = false; } + mconfig = skl_tplg_fe_get_cpr_module(dai, substream->stream); + skl_tplg_d0i3_put(skl, mconfig->d0i3_caps); + kfree(dma_params); } |
