Commit 6706a197 authored by Vinod Koul's avatar Vinod Koul Committed by Mark Brown

ALSA: hdac: add snd_hdac_ext_bus_link_power_up_all

We have an API for powering down all links, we need a similar one
for powering up links, so add for power up as well
Signed-off-by: default avatarJayachandran B <jayachandran.b@intel.com>
Signed-off-by: default avatarSubhransu S. Prusty <subhransu.s.prusty@intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
Reviewed-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cf8fe58b
......@@ -147,6 +147,7 @@ struct hdac_ext_link {
int snd_hdac_ext_bus_link_power_up(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_down(struct hdac_ext_link *link);
int snd_hdac_ext_bus_link_power_up_all(struct hdac_ext_bus *ebus);
int snd_hdac_ext_bus_link_power_down_all(struct hdac_ext_bus *ebus);
void snd_hdac_ext_link_set_stream_id(struct hdac_ext_link *link,
int stream);
......
......@@ -287,6 +287,27 @@ 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
......
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