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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-10-27 22:35:31 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-10-28 15:04:52 +0300 |
| commit | 87f4230047fc1960377875ff1f1b8f60f736f698 (patch) | |
| tree | 3942132a2dd2b1dab9d30534310a72605d5d6f96 /sound/soc/sof/intel/hda-codec.c | |
| parent | 8da5bceb8c4a8d5c06807b32cea94b278e925d22 (diff) | |
| download | linux-87f4230047fc1960377875ff1f1b8f60f736f698.tar.xz | |
ASoC: SOF: Intel: hda-codec: add hda_codec_check_rirb_status() helper
move existing functionality to new helper.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20221027193540.259520-13-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-codec.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-codec.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-codec.c b/sound/soc/sof/intel/hda-codec.c index e1cd52ead7eb..da76d2a2301a 100644 --- a/sound/soc/sof/intel/hda-codec.c +++ b/sound/soc/sof/intel/hda-codec.c @@ -295,6 +295,29 @@ void hda_codec_set_codec_wakeup(struct snd_sof_dev *sdev, bool status) } EXPORT_SYMBOL_NS_GPL(hda_codec_set_codec_wakeup, SND_SOC_SOF_HDA_AUDIO_CODEC); +bool hda_codec_check_rirb_status(struct snd_sof_dev *sdev) +{ + struct hdac_bus *bus = sof_to_bus(sdev); + bool active = false; + u32 rirb_status; + + rirb_status = snd_hdac_chip_readb(bus, RIRBSTS); + if (rirb_status & RIRB_INT_MASK) { + /* + * Clearing the interrupt status here ensures + * that no interrupt gets masked after the RIRB + * wp is read in snd_hdac_bus_update_rirb. + */ + snd_hdac_chip_writeb(bus, RIRBSTS, + RIRB_INT_MASK); + active = true; + if (rirb_status & RIRB_INT_RESPONSE) + snd_hdac_bus_update_rirb(bus); + } + return active; +} +EXPORT_SYMBOL_NS_GPL(hda_codec_check_rirb_status, SND_SOC_SOF_HDA_AUDIO_CODEC); + void hda_codec_device_remove(struct snd_sof_dev *sdev) { struct hdac_bus *bus = sof_to_bus(sdev); |