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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-10-27 21:35:36 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-10-28 14:04:57 +0200 |
| commit | f402a974aa0ae2b9abcccf49d5ac7c093e86a073 (patch) | |
| tree | 8514adbc7db2d71704afd2dbbaf83bd0fe54f267 /sound/soc/sof/intel/hda-mlink.c | |
| parent | ASoC: SOF: Intel: clarify bus_init and bus_exit sequences (diff) | |
| download | linux-f402a974aa0ae2b9abcccf49d5ac7c093e86a073.tar.xz linux-f402a974aa0ae2b9abcccf49d5ac7c093e86a073.zip | |
ASoC: SOF: Intel: hda-mlink: add helpers to suspend/resume links
No functionality change, just move the code in hda-mlink.
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/20221027193540.259520-18-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sof/intel/hda-mlink.c')
| -rw-r--r-- | sound/soc/sof/intel/hda-mlink.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/soc/sof/intel/hda-mlink.c b/sound/soc/sof/intel/hda-mlink.c index b5f922603187..2cdee03e4a47 100644 --- a/sound/soc/sof/intel/hda-mlink.c +++ b/sound/soc/sof/intel/hda-mlink.c @@ -51,4 +51,25 @@ void hda_bus_ml_reset_losidv(struct hdac_bus *bus) writel(0, hlink->ml_addr + AZX_REG_ML_LOSIDV); } +int hda_bus_ml_resume(struct hdac_bus *bus) +{ + struct hdac_ext_link *hlink; + int ret; + + /* power up links that were active before suspend */ + list_for_each_entry(hlink, &bus->hlink_list, list) { + if (hlink->ref_count) { + ret = snd_hdac_ext_bus_link_power_up(hlink); + if (ret < 0) + return ret; + } + } + return 0; +} + +int hda_bus_ml_suspend(struct hdac_bus *bus) +{ + return snd_hdac_ext_bus_link_power_down_all(bus); +} + #endif |