diff options
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/ext/hdac_ext_controller.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sound/hda/ext/hdac_ext_controller.c b/sound/hda/ext/hdac_ext_controller.c index 1a55a781270d..548cc1e4114b 100644 --- a/sound/hda/ext/hdac_ext_controller.c +++ b/sound/hda/ext/hdac_ext_controller.c @@ -288,6 +288,27 @@ int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link) EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_down); /** + * snd_hdac_ext_bus_link_power_up_all -power up all hda link + * @ebus: HD-audio extended bus + */ +int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus) +{ + struct hdac_ext_link *hlink = NULL; + int ret; + + list_for_each_entry(hlink, &ebus->hlink_list, list) { + snd_hdac_updatel(hlink->ml_addr, + AZX_REG_ML_LCTL, 0, AZX_MLCTL_SPA); + ret = check_hdac_link_power_active(hlink, true); + if (ret < 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_link_power_up_all); + +/** * snd_hdac_ext_bus_link_power_down_all -power down all hda link * @ebus: HD-audio extended bus */ |