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Commit 88766f04 authored by Eldad Zack's avatar Eldad Zack Committed by Takashi Iwai
Browse files

ALSA: usb-audio: convert list_for_each to entry variant 



Change occurances of list_for_each into list_for_each_entry where
applicable.

Signed-off-by: default avatarEldad Zack <eldad@fogrefinery.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 7c517465

sound/usb/card.c

+1 −3
Original line number Diff line number Diff line
@@ -645,7 +645,6 @@ void snd_usb_autosuspend(struct snd_usb_audio *chip) 
static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message)

{

	struct snd_usb_audio *chip = usb_get_intfdata(intf);

	struct list_head *p;

	struct snd_usb_stream *as;

	struct usb_mixer_interface *mixer;
@@ -655,8 +654,7 @@ static int usb_audio_suspend(struct usb_interface *intf, pm_message_t message) 
	if (!PMSG_IS_AUTO(message)) {

		snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot);

		if (!chip->num_suspended_intf++) {

			list_for_each(p, &chip->pcm_list) {

				as = list_entry(p, struct snd_usb_stream, list);

			list_for_each_entry(as, &chip->pcm_list, list) {

				snd_pcm_suspend_all(as->pcm);

				as->substream[0].need_setup_ep =

					as->substream[1].need_setup_ep = true;

sound/usb/endpoint.c

+1 −3
Original line number Diff line number Diff line
@@ -415,14 +415,12 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip, 
					      struct usb_host_interface *alts,

					      int ep_num, int direction, int type)

{

	struct list_head *p;

	struct snd_usb_endpoint *ep;

	int is_playback = direction == SNDRV_PCM_STREAM_PLAYBACK;



	mutex_lock(&chip->mutex);



	list_for_each(p, &chip->ep_list) {

		ep = list_entry(p, struct snd_usb_endpoint, list);

	list_for_each_entry(ep, &chip->ep_list, list) {

		if (ep->ep_num == ep_num &&

		    ep->iface == alts->desc.bInterfaceNumber &&

		    ep->alt_idx == alts->desc.bAlternateSetting) {

sound/usb/midi.c

+2 −3
Original line number Diff line number Diff line
@@ -1465,10 +1465,9 @@ static void snd_usbmidi_rawmidi_free(struct snd_rawmidi *rmidi) 
static struct snd_rawmidi_substream *snd_usbmidi_find_substream(struct snd_usb_midi* umidi,

								int stream, int number)

{

	struct list_head* list;

	struct snd_rawmidi_substream *substream;



	list_for_each(list, &umidi->rmidi->streams[stream].substreams) {

		struct snd_rawmidi_substream *substream = list_entry(list, struct snd_rawmidi_substream, list);

	list_for_each_entry(substream, &umidi->rmidi->streams[stream].substreams, list) {

		if (substream->number == number)

			return substream;

	}

sound/usb/pcm.c

+10 −20
Original line number Diff line number Diff line
@@ -94,13 +94,11 @@ static snd_pcm_uframes_t snd_usb_pcm_pointer(struct snd_pcm_substream *substream 
 */

static struct audioformat *find_format(struct snd_usb_substream *subs)

{

	struct list_head *p;

	struct audioformat *fp;

	struct audioformat *found = NULL;

	int cur_attr = 0, attr;



	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

		fp = list_entry(p, struct audioformat, list);

	list_for_each_entry(fp, &subs->fmt_list, list) {

		if (!(fp->formats & (1uLL << subs->pcm_format)))

			continue;

		if (fp->channels != subs->channels)
@@ -809,7 +807,7 @@ static int hw_rule_rate(struct snd_pcm_hw_params *params, 
			struct snd_pcm_hw_rule *rule)

{

	struct snd_usb_substream *subs = rule->private;

	struct list_head *p;

	struct audioformat *fp;

	struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE);

	unsigned int rmin, rmax;

	int changed;
@@ -817,9 +815,7 @@ static int hw_rule_rate(struct snd_pcm_hw_params *params, 
	hwc_debug("hw_rule_rate: (%d,%d)\n", it->min, it->max);

	changed = 0;

	rmin = rmax = 0;

	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

		fp = list_entry(p, struct audioformat, list);

	list_for_each_entry(fp, &subs->fmt_list, list) {

		if (!hw_check_valid_format(subs, params, fp))

			continue;

		if (changed++) {
@@ -863,7 +859,7 @@ static int hw_rule_channels(struct snd_pcm_hw_params *params, 
			    struct snd_pcm_hw_rule *rule)

{

	struct snd_usb_substream *subs = rule->private;

	struct list_head *p;

	struct audioformat *fp;

	struct snd_interval *it = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);

	unsigned int rmin, rmax;

	int changed;
@@ -871,9 +867,7 @@ static int hw_rule_channels(struct snd_pcm_hw_params *params, 
	hwc_debug("hw_rule_channels: (%d,%d)\n", it->min, it->max);

	changed = 0;

	rmin = rmax = 0;

	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

		fp = list_entry(p, struct audioformat, list);

	list_for_each_entry(fp, &subs->fmt_list, list) {

		if (!hw_check_valid_format(subs, params, fp))

			continue;

		if (changed++) {
@@ -916,7 +910,7 @@ static int hw_rule_format(struct snd_pcm_hw_params *params, 
			  struct snd_pcm_hw_rule *rule)

{

	struct snd_usb_substream *subs = rule->private;

	struct list_head *p;

	struct audioformat *fp;

	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

	u64 fbits;

	u32 oldbits[2];
@@ -924,9 +918,7 @@ static int hw_rule_format(struct snd_pcm_hw_params *params, 


	hwc_debug("hw_rule_format: %x:%x\n", fmt->bits[0], fmt->bits[1]);

	fbits = 0;

	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

		fp = list_entry(p, struct audioformat, list);

	list_for_each_entry(fp, &subs->fmt_list, list) {

		if (!hw_check_valid_format(subs, params, fp))

			continue;

		fbits |= fp->formats;
@@ -1034,7 +1026,7 @@ static int snd_usb_pcm_check_knot(struct snd_pcm_runtime *runtime, 


static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substream *subs)

{

	struct list_head *p;

	struct audioformat *fp;

	unsigned int pt, ptmin;

	int param_period_time_if_needed;

	int err;
@@ -1048,9 +1040,7 @@ static int setup_hw_info(struct snd_pcm_runtime *runtime, struct snd_usb_substre 
	runtime->hw.rates = 0;

	ptmin = UINT_MAX;

	/* check min/max rates and channels */

	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

		fp = list_entry(p, struct audioformat, list);

	list_for_each_entry(fp, &subs->fmt_list, list) {

		runtime->hw.rates |= fp->rates;

		if (runtime->hw.rate_min > fp->rate_min)

			runtime->hw.rate_min = fp->rate_min;

sound/usb/proc.c

+3 −4
Original line number Diff line number Diff line
@@ -73,15 +73,14 @@ void snd_usb_audio_create_proc(struct snd_usb_audio *chip) 
 */

static void proc_dump_substream_formats(struct snd_usb_substream *subs, struct snd_info_buffer *buffer)

{

	struct list_head *p;

	struct audioformat *fp;

	static char *sync_types[4] = {

		"NONE", "ASYNC", "ADAPTIVE", "SYNC"

	};



	list_for_each(p, &subs->fmt_list) {

		struct audioformat *fp;

	list_for_each_entry(fp, &subs->fmt_list, list) {

		snd_pcm_format_t fmt;

		fp = list_entry(p, struct audioformat, list);



		snd_iprintf(buffer, "  Interface %d\n", fp->iface);

		snd_iprintf(buffer, "    Altset %d\n", fp->altsetting);

		snd_iprintf(buffer, "    Format:");