diff options
| author | Keyon Jie <yang.jie@linux.intel.com> | 2019-04-30 18:09:29 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-05-03 15:00:59 +0900 |
| commit | e8e55dbe08960b714e5ce0148926ee17331ce4d5 (patch) | |
| tree | 2cc2d5d45e12720df44b2821c776f1c219abafef /sound | |
| parent | 6d60a39e5b787ddea5def220d6288cbdf6d63eb8 (diff) | |
| download | linux-e8e55dbe08960b714e5ce0148926ee17331ce4d5.tar.bz2 | |
ASoC: SOF: Intel: hda-stream: store stream capabilities
Add stream_max into struct sof_intel_hda_dev to store the total hda
stream number that the platform can support, and initialize it at
stream_init.
This can be used later e.g. for stream bitmask.
Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/intel/hda-stream.c | 4 | ||||
| -rw-r--r-- | sound/soc/sof/intel/hda.h | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index 47eff161c60e..39f4212bde4b 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -500,6 +500,7 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev) struct hdac_ext_stream *stream; struct hdac_stream *hstream; struct pci_dev *pci = to_pci_dev(sdev->dev); + struct sof_intel_hda_dev *sof_hda = bus_to_sof_hda(bus); int sd_offset; int i, num_playback, num_capture, num_total, ret; u32 gcap; @@ -657,6 +658,9 @@ int hda_dsp_stream_init(struct snd_sof_dev *sdev) list_add_tail(&hstream->list, &bus->stream_list); } + /* store total stream count (playback + capture) from GCAP */ + sof_hda->stream_max = num_total; + return 0; } diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h index 3799a3518106..7cb2fb92c4eb 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -383,6 +383,9 @@ struct sof_intel_hda_dev { /* if position update IPC needed */ u32 no_ipc_position; + /* the maximum number of streams (playback + capture) supported */ + u32 stream_max; + int irq; /* DMIC device */ |