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Commit ef991b95 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[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: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent 5e24c1c1

include/sound/pcm.h

+2 −5
Original line number Diff line number Diff line
@@ -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

+10 −17
Original line number Diff line number Diff line
@@ -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

+1 −3
Original line number Diff line number Diff line
@@ -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

+1 −3
Original line number Diff line number Diff line
@@ -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

+1 −3
Original line number Diff line number Diff line
@@ -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;