ASoC: add for_each_card_rtds() macro

To be more readable code, this patch adds
new for_each_card_rtds() macro, and replace existing code to it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -1130,6 +1130,10 @@ struct snd_soc_card {
 #define for_each_card_links_safe(card, link, _link)			\
 	list_for_each_entry_safe(link, _link, &(card)->dai_link_list, list)
 
+#define for_each_card_rtds(card, rtd)			\
+	list_for_each_entry(rtd, &(card)->rtd_list, list)
+#define for_each_card_rtds_safe(card, rtd, _rtd)	\
+	list_for_each_entry_safe(rtd, _rtd, &(card)->rtd_list, list)
 
 /* SoC machine DAI configuration, glues a codec and cpu DAI together */
 struct snd_soc_pcm_runtime {

sound/soc/codecs/hdac_hdmi.c

@@ -1604,7 +1604,7 @@ static struct snd_pcm *hdac_hdmi_get_pcm_from_id(struct snd_soc_card *card,
 {
 	struct snd_soc_pcm_runtime *rtd;
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		if (rtd->pcm && (rtd->pcm->device == device))
 			return rtd->pcm;
 	}

sound/soc/intel/atom/sst-mfld-platform-pcm.c

@@ -765,7 +765,7 @@ static int sst_soc_prepare(struct device *dev)
 	snd_soc_poweroff(drv->soc_card->dev);
 
 	/* set the SSPs to idle */
-	list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
+	for_each_card_rtds(drv->soc_card, rtd) {
 		struct snd_soc_dai *dai = rtd->cpu_dai;
 
 		if (dai->active) {
@@ -786,7 +786,7 @@ static void sst_soc_complete(struct device *dev)
 		return;
 
 	/* restart SSPs */
-	list_for_each_entry(rtd, &drv->soc_card->rtd_list, list) {
+	for_each_card_rtds(drv->soc_card, rtd) {
 		struct snd_soc_dai *dai = rtd->cpu_dai;
 
 		if (dai->active) {

sound/soc/soc-core.c

@@ -342,7 +342,7 @@ struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
 {
 	struct snd_soc_pcm_runtime *rtd;
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		if (rtd->dai_link->no_pcm &&
 			!strcmp(rtd->dai_link->name, dai_link))
 			return rtd->pcm->streams[stream].substream;
@@ -399,7 +399,7 @@ static void soc_remove_pcm_runtimes(struct snd_soc_card *card)
 {
 	struct snd_soc_pcm_runtime *rtd, *_rtd;
 
-	list_for_each_entry_safe(rtd, _rtd, &card->rtd_list, list) {
+	for_each_card_rtds_safe(card, rtd, _rtd) {
 		list_del(&rtd->list);
 		soc_free_pcm_runtime(rtd);
 	}
@@ -412,7 +412,7 @@ struct snd_soc_pcm_runtime *snd_soc_get_pcm_runtime(struct snd_soc_card *card,
 {
 	struct snd_soc_pcm_runtime *rtd;
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		if (!strcmp(rtd->dai_link->name, dai_link))
 			return rtd;
 	}
@@ -452,7 +452,7 @@ int snd_soc_suspend(struct device *dev)
 	snd_power_change_state(card->snd_card, SNDRV_CTL_POWER_D3hot);
 
 	/* mute any active DACs */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -467,7 +467,7 @@ int snd_soc_suspend(struct device *dev)
 	}
 
 	/* suspend all pcms */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		if (rtd->dai_link->ignore_suspend)
 			continue;
 
@@ -477,7 +477,7 @@ int snd_soc_suspend(struct device *dev)
 	if (card->suspend_pre)
 		card->suspend_pre(card);
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -488,10 +488,10 @@ int snd_soc_suspend(struct device *dev)
 	}
 
 	/* close any waiting streams */
-	list_for_each_entry(rtd, &card->rtd_list, list)
+	for_each_card_rtds(card, rtd)
 		flush_delayed_work(&rtd->delayed_work);
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 
 		if (rtd->dai_link->ignore_suspend)
 			continue;
@@ -548,7 +548,7 @@ int snd_soc_suspend(struct device *dev)
 		}
 	}
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -592,7 +592,7 @@ static void soc_resume_deferred(struct work_struct *work)
 		card->resume_pre(card);
 
 	/* resume control bus DAIs */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -610,7 +610,7 @@ static void soc_resume_deferred(struct work_struct *work)
 		}
 	}
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 
 		if (rtd->dai_link->ignore_suspend)
 			continue;
@@ -625,7 +625,7 @@ static void soc_resume_deferred(struct work_struct *work)
 	}
 
 	/* unmute any active DACs */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -639,7 +639,7 @@ static void soc_resume_deferred(struct work_struct *work)
 		}
 	}
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 
 		if (rtd->dai_link->ignore_suspend)
@@ -674,7 +674,7 @@ int snd_soc_resume(struct device *dev)
 		return 0;
 
 	/* activate pins from sleep state */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *codec_dai;
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 		int j;
@@ -694,7 +694,7 @@ int snd_soc_resume(struct device *dev)
 	 * have that problem and may take a substantial amount of time to resume
 	 * due to I/O costs and anti-pop so handle them out of line.
 	 */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 		bus_control |= cpu_dai->driver->bus_control;
 	}
@@ -839,7 +839,7 @@ static bool soc_is_dai_link_bound(struct snd_soc_card *card,
 {
 	struct snd_soc_pcm_runtime *rtd;
 
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		if (rtd->dai_link == dai_link)
 			return true;
 	}
@@ -994,13 +994,13 @@ static void soc_remove_dai_links(struct snd_soc_card *card)
 
 	for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
 			order++) {
-		list_for_each_entry(rtd, &card->rtd_list, list)
+		for_each_card_rtds(card, rtd)
 			soc_remove_link_dais(card, rtd, order);
 	}
 
 	for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
 			order++) {
-		list_for_each_entry(rtd, &card->rtd_list, list)
+		for_each_card_rtds(card, rtd)
 			soc_remove_link_components(card, rtd, order);
 	}
 
@@ -2014,7 +2014,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	/* probe all components used by DAI links on this card */
 	for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
 			order++) {
-		list_for_each_entry(rtd, &card->rtd_list, list) {
+		for_each_card_rtds(card, rtd) {
 			ret = soc_probe_link_components(card, rtd, order);
 			if (ret < 0) {
 				dev_err(card->dev,
@@ -2048,7 +2048,7 @@ static int snd_soc_instantiate_card(struct snd_soc_card *card)
 	/* probe all DAI links on this card */
 	for (order = SND_SOC_COMP_ORDER_FIRST; order <= SND_SOC_COMP_ORDER_LAST;
 			order++) {
-		list_for_each_entry(rtd, &card->rtd_list, list) {
+		for_each_card_rtds(card, rtd) {
 			ret = soc_probe_link_dais(card, rtd, order);
 			if (ret < 0) {
 				dev_err(card->dev,
@@ -2169,7 +2169,7 @@ static int soc_cleanup_card_resources(struct snd_soc_card *card)
 	struct snd_soc_pcm_runtime *rtd;
 
 	/* make sure any delayed work runs */
-	list_for_each_entry(rtd, &card->rtd_list, list)
+	for_each_card_rtds(card, rtd)
 		flush_delayed_work(&rtd->delayed_work);
 
 	/* free the ALSA card at first; this syncs with pending operations */
@@ -2211,13 +2211,13 @@ int snd_soc_poweroff(struct device *dev)
 
 	/* Flush out pmdown_time work - we actually do want to run it
 	 * now, we're shutting down so no imminent restart. */
-	list_for_each_entry(rtd, &card->rtd_list, list)
+	for_each_card_rtds(card, rtd)
 		flush_delayed_work(&rtd->delayed_work);
 
 	snd_soc_dapm_shutdown(card);
 
 	/* deactivate pins to sleep state */
-	list_for_each_entry(rtd, &card->rtd_list, list) {
+	for_each_card_rtds(card, rtd) {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 		struct snd_soc_dai *codec_dai;
 		int i;
@@ -2686,7 +2686,7 @@ static int snd_soc_bind_card(struct snd_soc_card *card)
 		return ret;
 
 	/* deactivate pins to sleep state */
-	list_for_each_entry(rtd, &card->rtd_list, list)  {
+	for_each_card_rtds(card, rtd)  {
 		struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
 		struct snd_soc_dai *codec_dai;
 		int j;

sound/soc/soc-dapm.c

@@ -4183,7 +4183,7 @@ void snd_soc_dapm_connect_dai_link_widgets(struct snd_soc_card *card)
 	struct snd_soc_pcm_runtime *rtd;
 
 	/* for each BE DAI link... */
-	list_for_each_entry(rtd, &card->rtd_list, list)  {
+	for_each_card_rtds(card, rtd)  {
 		/*
 		 * dynamic FE links have no fixed DAI mapping.
 		 * CODEC<->CODEC links have no direct connection.

sound/soc/soc-pcm.c

@@ -1307,7 +1307,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 	dev_dbg(card->dev, "ASoC: find BE for widget %s\n", widget->name);
 
 	if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
-		list_for_each_entry(be, &card->rtd_list, list) {
+		for_each_card_rtds(card, be) {
 
 			if (!be->dai_link->no_pcm)
 				continue;
@@ -1326,7 +1326,7 @@ static struct snd_soc_pcm_runtime *dpcm_get_be(struct snd_soc_card *card,
 		}
 	} else {
 
-		list_for_each_entry(be, &card->rtd_list, list) {
+		for_each_card_rtds(card, be) {
 
 			if (!be->dai_link->no_pcm)
 				continue;
@@ -1382,7 +1382,7 @@ static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,
 	int i;
 
 	if (dir == SND_SOC_DAPM_DIR_OUT) {
-		list_for_each_entry(rtd, &card->rtd_list, list) {
+		for_each_card_rtds(card, rtd) {
 			if (!rtd->dai_link->no_pcm)
 				continue;
 
@@ -1395,7 +1395,7 @@ static bool dpcm_end_walk_at_be(struct snd_soc_dapm_widget *widget,
 			}
 		}
 	} else { /* SND_SOC_DAPM_DIR_IN */
-		list_for_each_entry(rtd, &card->rtd_list, list) {
+		for_each_card_rtds(card, rtd) {
 			if (!rtd->dai_link->no_pcm)
 				continue;
 
@@ -2761,14 +2761,14 @@ int soc_dpcm_runtime_update(struct snd_soc_card *card)
 
 	mutex_lock_nested(&card->mutex, SND_SOC_CARD_CLASS_RUNTIME);
 	/* shutdown all old paths first */
-	list_for_each_entry(fe, &card->rtd_list, list) {
+	for_each_card_rtds(card, fe) {
 		ret = soc_dpcm_fe_runtime_update(fe, 0);
 		if (ret)
 			goto out;
 	}
 
 	/* bring new paths up */
-	list_for_each_entry(fe, &card->rtd_list, list) {
+	for_each_card_rtds(card, fe) {
 		ret = soc_dpcm_fe_runtime_update(fe, 1);
 		if (ret)
 			goto out;