diff options
author | Stefan Agner <stefan.agner@toradex.com> | 2019-11-12 13:57:30 +0100 |
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committer | Stefan Agner <stefan.agner@toradex.com> | 2019-11-12 13:57:30 +0100 |
commit | 401bf3f29b1aa6d9ca32bd3252fc9beabe93d80b (patch) | |
tree | 6dd86325823a9b44b6e696acbd077e68c47d3108 /sound/soc/sof/intel/hda-stream.c | |
parent | 5a9c845fe261dec87f892f3fd3c2e32604d952c0 (diff) | |
parent | b260a0862e3a9fccdac23ec3b783911b098c1c74 (diff) |
Merge tag 'v5.3.10' into toradex_5.3.ytoradex_5.3.y
This is the 5.3.10 stable release
Diffstat (limited to 'sound/soc/sof/intel/hda-stream.c')
-rw-r--r-- | sound/soc/sof/intel/hda-stream.c | 45 |
1 files changed, 38 insertions, 7 deletions
diff --git a/sound/soc/sof/intel/hda-stream.c b/sound/soc/sof/intel/hda-stream.c index ad8d41f22e92..2c7447188402 100644 --- a/sound/soc/sof/intel/hda-stream.c +++ b/sound/soc/sof/intel/hda-stream.c @@ -185,6 +185,17 @@ hda_dsp_stream_get(struct snd_sof_dev *sdev, int direction) direction == SNDRV_PCM_STREAM_PLAYBACK ? "playback" : "capture"); + /* + * Disable DMI Link L1 entry when capture stream is opened. + * Workaround to address a known issue with host DMA that results + * in xruns during pause/release in capture scenarios. + */ + if (!IS_ENABLED(SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1)) + if (stream && direction == SNDRV_PCM_STREAM_CAPTURE) + snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, + HDA_VS_INTEL_EM2, + HDA_VS_INTEL_EM2_L1SEN, 0); + return stream; } @@ -193,23 +204,43 @@ int hda_dsp_stream_put(struct snd_sof_dev *sdev, int direction, int stream_tag) { struct hdac_bus *bus = sof_to_bus(sdev); struct hdac_stream *s; + bool active_capture_stream = false; + bool found = false; spin_lock_irq(&bus->reg_lock); - /* find used stream */ + /* + * close stream matching the stream tag + * and check if there are any open capture streams. + */ list_for_each_entry(s, &bus->stream_list, list) { - if (s->direction == direction && - s->opened && s->stream_tag == stream_tag) { + if (!s->opened) + continue; + + if (s->direction == direction && s->stream_tag == stream_tag) { s->opened = false; - spin_unlock_irq(&bus->reg_lock); - return 0; + found = true; + } else if (s->direction == SNDRV_PCM_STREAM_CAPTURE) { + active_capture_stream = true; } } spin_unlock_irq(&bus->reg_lock); - dev_dbg(sdev->dev, "stream_tag %d not opened!\n", stream_tag); - return -ENODEV; + /* Enable DMI L1 entry if there are no capture streams open */ + if (!IS_ENABLED(SND_SOC_SOF_HDA_ALWAYS_ENABLE_DMI_L1)) + if (!active_capture_stream) + snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, + HDA_VS_INTEL_EM2, + HDA_VS_INTEL_EM2_L1SEN, + HDA_VS_INTEL_EM2_L1SEN); + + if (!found) { + dev_dbg(sdev->dev, "stream_tag %d not opened!\n", stream_tag); + return -ENODEV; + } + + return 0; } int hda_dsp_stream_trigger(struct snd_sof_dev *sdev, |