[ALSA] Add snd_pcm_group_for_each_entry() for code cleanup

Added a new macro snd_pcm_group_for_each_entry() just for code cleanup.
Old macros, snd_pcm_group_for_each() and snd_pcm_group_substream_entry(),
are removed.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

include/sound/pcm.h

@@ -603,11 +603,8 @@ do { \
 	read_unlock_irqrestore(&snd_pcm_link_rwlock, (flags)); \
 } while (0)
 
-#define snd_pcm_group_for_each(pos, substream) \
-	list_for_each(pos, &substream->group->substreams)
-
-#define snd_pcm_group_substream_entry(pos) \
-	list_entry(pos, struct snd_pcm_substream, link_list)
+#define snd_pcm_group_for_each_entry(s, substream) \
+	list_for_each_entry(s, &substream->group->substreams, link_list)
 
 static inline int snd_pcm_running(struct snd_pcm_substream *substream)
 {

sound/core/pcm_native.c

@@ -712,26 +712,22 @@ static int snd_pcm_action_group(struct action_ops *ops,
 				struct snd_pcm_substream *substream,
 				int state, int do_lock)
 {
-	struct list_head *pos;
 	struct snd_pcm_substream *s = NULL;
 	struct snd_pcm_substream *s1;
 	int res = 0;
 
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		if (do_lock && s != substream)
 			spin_lock(&s->self_group.lock);
 		res = ops->pre_action(s, state);
 		if (res < 0)
 			goto _unlock;
 	}
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		res = ops->do_action(s, state);
 		if (res < 0) {
 			if (ops->undo_action) {
-				snd_pcm_group_for_each(pos, substream) {
-					s1 = snd_pcm_group_substream_entry(pos);
+				snd_pcm_group_for_each_entry(s1, substream) {
 					if (s1 == s) /* failed stream */
 						break;
 					ops->undo_action(s1, state);
@@ -741,15 +737,13 @@ static int snd_pcm_action_group(struct action_ops *ops,
 			goto _unlock;
 		}
 	}
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		ops->post_action(s, state);
 	}
  _unlock:
 	if (do_lock) {
 		/* unlock streams */
-		snd_pcm_group_for_each(pos, substream) {
-			s1 = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s1, substream) {
 			if (s1 != substream)
 				spin_unlock(&s1->self_group.lock);
 			if (s1 == s)	/* end */
@@ -1438,7 +1432,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
 {
 	struct snd_card *card;
 	struct snd_pcm_runtime *runtime;
-	struct list_head *pos;
+	struct snd_pcm_substream *s;
 	int result = 0;
 	int i, num_drecs;
 	struct drain_rec *drec, drec_tmp, *d;
@@ -1473,8 +1467,7 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
 
 	/* count only playback streams */
 	num_drecs = 0;
-	snd_pcm_group_for_each(pos, substream) {
-		struct snd_pcm_substream *s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		runtime = s->runtime;
 		if (s->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 			d = &drec[num_drecs++];
@@ -1674,7 +1667,7 @@ static void relink_to_local(struct snd_pcm_substream *substream)
 
 static int snd_pcm_unlink(struct snd_pcm_substream *substream)
 {
-	struct list_head *pos;
+	struct snd_pcm_substream *s;
 	int res = 0;
 
 	down_write(&snd_pcm_link_rwsem);
@@ -1686,8 +1679,8 @@ static int snd_pcm_unlink(struct snd_pcm_substream *substream)
 	list_del(&substream->link_list);
 	substream->group->count--;
 	if (substream->group->count == 1) {	/* detach the last stream, too */
-		snd_pcm_group_for_each(pos, substream) {
-			relink_to_local(snd_pcm_group_substream_entry(pos));
+		snd_pcm_group_for_each_entry(s, substream) {
+			relink_to_local(s);
 			break;
 		}
 		kfree(substream->group);

sound/isa/cs423x/cs4231_lib.c

@@ -405,7 +405,6 @@ static int snd_cs4231_trigger(struct snd_pcm_substream *substream,
 	struct snd_cs4231 *chip = snd_pcm_substream_chip(substream);
 	int result = 0;
 	unsigned int what;
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 	int do_start;
 
@@ -425,8 +424,7 @@ static int snd_cs4231_trigger(struct snd_pcm_substream *substream,
 	}
 
 	what = 0;
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		if (s == chip->playback_substream) {
 			what |= CS4231_PLAYBACK_ENABLE;
 			snd_pcm_trigger_done(s, substream);

sound/isa/opti9xx/opti92x-ad1848.c

@@ -934,10 +934,8 @@ static int snd_opti93x_trigger(struct snd_pcm_substream *substream,
 	case SNDRV_PCM_TRIGGER_STOP:
 	{
 		unsigned int what = 0;
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == chip->playback_substream) {
 				what |= OPTi93X_PLAYBACK_ENABLE;
 				snd_pcm_trigger_done(s, substream);

sound/pci/ali5451/ali5451.c

@@ -1224,7 +1224,6 @@ static int snd_ali_trigger(struct snd_pcm_substream *substream,
 				    
 {
 	struct snd_ali *codec = snd_pcm_substream_chip(substream);
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 	unsigned int what, whati, capture_flag;
 	struct snd_ali_voice *pvoice = NULL, *evoice = NULL;
@@ -1243,8 +1242,7 @@ static int snd_ali_trigger(struct snd_pcm_substream *substream,
 	}
 
 	what = whati = capture_flag = 0;
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		if ((struct snd_ali *) snd_pcm_substream_chip(s) == codec) {
 			pvoice = s->runtime->private_data;
 			evoice = pvoice->extra;

sound/pci/ca0106/ca0106_main.c

@@ -775,7 +775,6 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
 	struct snd_ca0106_pcm *epcm;
 	int channel;
 	int result = 0;
-	struct list_head *pos;
         struct snd_pcm_substream *s;
 	u32 basic = 0;
 	u32 extended = 0;
@@ -790,8 +789,7 @@ static int snd_ca0106_pcm_trigger_playback(struct snd_pcm_substream *substream,
 		running=0;
 		break;
 	}
-        snd_pcm_group_for_each(pos, substream) {
-                s = snd_pcm_group_substream_entry(pos);
+        snd_pcm_group_for_each_entry(s, substream) {
 		runtime = s->runtime;
 		epcm = runtime->private_data;
 		channel = epcm->channel_id;

sound/pci/echoaudio/echoaudio.c

@@ -705,11 +705,9 @@ static int pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	struct audiopipe *pipe = runtime->private_data;
 	int i, err;
 	u32 channelmask = 0;
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		for (i = 0; i < DSP_MAXPIPES; i++) {
 			if (s == chip->substream[i]) {
 				channelmask |= 1 << i;

sound/pci/emu10k1/p16v.c

@@ -433,7 +433,6 @@ static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 	struct snd_emu10k1_pcm *epcm;
 	int channel;
 	int result = 0;
-	struct list_head *pos;
         struct snd_pcm_substream *s;
 	u32 basic = 0;
 	u32 inte = 0;
@@ -448,8 +447,7 @@ static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
 		running = 0;
 		break;
 	}
-        snd_pcm_group_for_each(pos, substream) {
-                s = snd_pcm_group_substream_entry(pos);
+        snd_pcm_group_for_each_entry(s, substream) {
 		runtime = s->runtime;
 		epcm = runtime->private_data;
 		channel = substream->pcm->device-emu->p16v_device_offset;

sound/pci/ens1370.c

@@ -798,10 +798,8 @@ static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 	{
 		unsigned int what = 0;
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == ensoniq->playback1_substream) {
 				what |= ES_P1_PAUSE;
 				snd_pcm_trigger_done(s, substream);
@@ -824,10 +822,8 @@ static int snd_ensoniq_trigger(struct snd_pcm_substream *substream, int cmd)
 	case SNDRV_PCM_TRIGGER_STOP:
 	{
 		unsigned int what = 0;
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == ensoniq->playback1_substream) {
 				what |= ES_DAC1_EN;
 				snd_pcm_trigger_done(s, substream);

sound/pci/ice1712/ice1712.c

@@ -977,11 +977,9 @@ static int snd_ice1712_pro_trigger(struct snd_pcm_substream *substream,
 	{
 		unsigned int what = 0;
 		unsigned int old;
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
 
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == ice->playback_pro_substream) {
 				what |= ICE1712_PLAYBACK_START;
 				snd_pcm_trigger_done(s, substream);

sound/pci/ice1712/ice1724.c

@@ -337,13 +337,11 @@ static int snd_vt1724_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	struct snd_ice1712 *ice = snd_pcm_substream_chip(substream);
 	unsigned char what;
 	unsigned char old;
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 
 	what = 0;
-	snd_pcm_group_for_each(pos, substream) {
+	snd_pcm_group_for_each_entry(s, substream) {
 		const struct vt1724_pcm_reg *reg;
-		s = snd_pcm_group_substream_entry(pos);
 		reg = s->runtime->private_data;
 		what |= reg->start;
 		snd_pcm_trigger_done(s, substream);

sound/pci/pcxhr/pcxhr.c

@@ -638,7 +638,6 @@ static void pcxhr_trigger_tasklet(unsigned long arg)
 static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
 {
 	struct pcxhr_stream *stream;
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 	int i;
 
@@ -646,8 +645,7 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
 	case SNDRV_PCM_TRIGGER_START:
 		snd_printdd("SNDRV_PCM_TRIGGER_START\n");
 		i = 0;
-		snd_pcm_group_for_each(pos, subs) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, subs) {
 			stream = s->runtime->private_data;
 			stream->status = PCXHR_STREAM_STATUS_SCHEDULE_RUN;
 			snd_pcm_trigger_done(s, subs);
@@ -672,8 +670,7 @@ static int pcxhr_trigger(struct snd_pcm_substream *subs, int cmd)
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
 		snd_printdd("SNDRV_PCM_TRIGGER_STOP\n");
-		snd_pcm_group_for_each(pos, subs) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, subs) {
 			stream = s->runtime->private_data;
 			stream->status = PCXHR_STREAM_STATUS_SCHEDULE_STOP;
 			if (pcxhr_set_stream_state(stream))

sound/pci/rme32.c

@@ -1078,12 +1078,10 @@ static int
 snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
 	struct rme32 *rme32 = snd_pcm_substream_chip(substream);
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 
 	spin_lock(&rme32->lock);
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		if (s != rme32->playback_substream &&
 		    s != rme32->capture_substream)
 			continue;
@@ -1110,8 +1108,7 @@ snd_rme32_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 	
 	/* prefill playback buffer */
 	if (cmd == SNDRV_PCM_TRIGGER_START && rme32->fullduplex_mode) {
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == rme32->playback_substream) {
 				s->ops->ack(s);
 				break;

sound/pci/rme9652/hdsp.c

@@ -3780,11 +3780,9 @@ static int snd_hdsp_reset(struct snd_pcm_substream *substream)
 	else
 		runtime->status->hw_ptr = 0;
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
 		struct snd_pcm_runtime *oruntime = other->runtime;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				oruntime->status->hw_ptr = runtime->status->hw_ptr;
 				break;
@@ -3933,10 +3931,8 @@ static int snd_hdsp_trigger(struct snd_pcm_substream *substream, int cmd)
 		other = hdsp->playback_substream;
 
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				snd_pcm_trigger_done(s, substream);
 				if (cmd == SNDRV_PCM_TRIGGER_START)

sound/pci/rme9652/hdspm.c

@@ -3575,11 +3575,9 @@ static int snd_hdspm_reset(struct snd_pcm_substream *substream)
 	else
 		runtime->status->hw_ptr = 0;
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
 		struct snd_pcm_runtime *oruntime = other->runtime;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				oruntime->status->hw_ptr =
 				    runtime->status->hw_ptr;
@@ -3791,10 +3789,8 @@ static int snd_hdspm_trigger(struct snd_pcm_substream *substream, int cmd)
 		other = hdspm->playback_substream;
 
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				snd_pcm_trigger_done(s, substream);
 				if (cmd == SNDRV_PCM_TRIGGER_START)

sound/pci/rme9652/rme9652.c

@@ -1992,11 +1992,9 @@ static int snd_rme9652_reset(struct snd_pcm_substream *substream)
 	else
 		runtime->status->hw_ptr = 0;
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
 		struct snd_pcm_runtime *oruntime = other->runtime;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				oruntime->status->hw_ptr = runtime->status->hw_ptr;
 				break;
@@ -2140,10 +2138,8 @@ static int snd_rme9652_trigger(struct snd_pcm_substream *substream,
 		other = rme9652->playback_substream;
 
 	if (other) {
-		struct list_head *pos;
 		struct snd_pcm_substream *s;
-		snd_pcm_group_for_each(pos, substream) {
-			s = snd_pcm_group_substream_entry(pos);
+		snd_pcm_group_for_each_entry(s, substream) {
 			if (s == other) {
 				snd_pcm_trigger_done(s, substream);
 				if (cmd == SNDRV_PCM_TRIGGER_START)

sound/pci/trident/trident_main.c

@@ -1540,7 +1540,6 @@ static int snd_trident_trigger(struct snd_pcm_substream *substream,
 				    
 {
 	struct snd_trident *trident = snd_pcm_substream_chip(substream);
-	struct list_head *pos;
 	struct snd_pcm_substream *s;
 	unsigned int what, whati, capture_flag, spdif_flag;
 	struct snd_trident_voice *voice, *evoice;
@@ -1563,8 +1562,7 @@ static int snd_trident_trigger(struct snd_pcm_substream *substream,
 	what = whati = capture_flag = spdif_flag = 0;
 	spin_lock(&trident->reg_lock);
 	val = inl(TRID_REG(trident, T4D_STIMER)) & 0x00ffffff;
-	snd_pcm_group_for_each(pos, substream) {
-		s = snd_pcm_group_substream_entry(pos);
+	snd_pcm_group_for_each_entry(s, substream) {
 		if ((struct snd_trident *) snd_pcm_substream_chip(s) == trident) {
 			voice = s->runtime->private_data;
 			evoice = voice->extra;

sound/sparc/cs4231.c

@@ -661,10 +661,9 @@ static int snd_cs4231_trigger(struct snd_pcm_substream *substream, int cmd)
 	{
 		unsigned int what = 0;
 		struct snd_pcm_substream *s;
-		struct list_head *pos;
 		unsigned long flags;
 
-		snd_pcm_group_for_each(pos, substream) {
+		snd_pcm_group_for_each_entry(s, substream) {
 			s = snd_pcm_group_substream_entry(pos);
 			if (s == chip->playback_substream) {
 				what |= CS4231_PLAYBACK_ENABLE;