ALSA: hda: ext: hdac_ext_controller: use helpers in loop

No need to copy/paste code, use helper instead.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Rander Wang <rander.wang@intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20221019162115.185917-2-pierre-louis.bossart@linux.intel.comSigned-off-by: Takashi Iwai <tiwai@suse.de>

sound/hda/ext/hdac_ext_controller.c

@@ -225,9 +225,7 @@ int snd_hdac_ext_bus_link_power_up_all(struct hdac_bus *bus)
 	int ret;
 
 	list_for_each_entry(hlink, &bus->hlink_list, list) {
-		snd_hdac_updatel(hlink->ml_addr, AZX_REG_ML_LCTL,
-				 AZX_ML_LCTL_SPA, AZX_ML_LCTL_SPA);
-		ret = check_hdac_link_power_active(hlink, true);
+		ret = snd_hdac_ext_bus_link_power_up(hlink);
 		if (ret < 0)
 			return ret;
 	}
@@ -246,9 +244,7 @@ int snd_hdac_ext_bus_link_power_down_all(struct hdac_bus *bus)
 	int ret;
 
 	list_for_each_entry(hlink, &bus->hlink_list, list) {
-		snd_hdac_updatel(hlink->ml_addr, AZX_REG_ML_LCTL,
-				 AZX_ML_LCTL_SPA, 0);
-		ret = check_hdac_link_power_active(hlink, false);
+		ret = snd_hdac_ext_bus_link_power_down(hlink);
 		if (ret < 0)
 			return ret;
 	}