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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>
This commit is contained in:
Keyon Jie 2019-04-30 18:09:29 -05:00 committed by Mark Brown
parent 6d60a39e5b
commit e8e55dbe08
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GPG Key ID: 24D68B725D5487D0
2 changed files with 7 additions and 0 deletions
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4
sound/soc/sof/intel/hda-stream.c
View File

@ -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;
}

3
sound/soc/sof/intel/hda.h
View File

@ -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 */