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Commit 9fb754b7 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: line6: Use incremental loop 



Using a decremental loop without particular reasons worsens the
readability a lot.  Use incremental loops instead.

Tested-by: default avatarChris Rorvick <chris@rorvick.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f2a76225

sound/usb/line6/capture.c

+2 −2
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm) 
{

	unsigned int i;



	for (i = LINE6_ISO_BUFFERS; i--;) {

	for (i = 0; i < LINE6_ISO_BUFFERS; i++) {

		if (test_bit(i, &line6pcm->active_urb_in)) {

			if (!test_and_set_bit(i, &line6pcm->unlink_urb_in)) {

				struct urb *u = line6pcm->urb_audio_in[i];
@@ -114,7 +114,7 @@ void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) 


	do {

		alive = 0;

		for (i = LINE6_ISO_BUFFERS; i--;) {

		for (i = 0; i < LINE6_ISO_BUFFERS; i++) {

			if (test_bit(i, &line6pcm->active_urb_in))

				alive++;

		}

sound/usb/line6/pcm.c

+3 −3
Original line number Diff line number Diff line
@@ -273,7 +273,7 @@ static int snd_line6_control_playback_get(struct snd_kcontrol *kcontrol, 
	int i;

	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);



	for (i = 2; i--;)

	for (i = 0; i < 2; i++)

		ucontrol->value.integer.value[i] = line6pcm->volume_playback[i];



	return 0;
@@ -286,7 +286,7 @@ static int snd_line6_control_playback_put(struct snd_kcontrol *kcontrol, 
	int i, changed = 0;

	struct snd_line6_pcm *line6pcm = snd_kcontrol_chip(kcontrol);



	for (i = 2; i--;)

	for (i = 0; i < 2; i++)

		if (line6pcm->volume_playback[i] !=

		    ucontrol->value.integer.value[i]) {

			line6pcm->volume_playback[i] =
@@ -330,7 +330,7 @@ static void line6_cleanup_pcm(struct snd_pcm *pcm) 
	int i;

	struct snd_line6_pcm *line6pcm = snd_pcm_chip(pcm);



	for (i = LINE6_ISO_BUFFERS; i--;) {

	for (i = 0; i < LINE6_ISO_BUFFERS; i++) {

		if (line6pcm->urb_audio_out[i]) {

			usb_kill_urb(line6pcm->urb_audio_out[i]);

			usb_free_urb(line6pcm->urb_audio_out[i]);

sound/usb/line6/playback.c

+6 −6
Original line number Diff line number Diff line
@@ -297,7 +297,7 @@ void line6_unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm) 
{

	unsigned int i;



	for (i = LINE6_ISO_BUFFERS; i--;) {

	for (i = 0; i < LINE6_ISO_BUFFERS; i++) {

		if (test_bit(i, &line6pcm->active_urb_out)) {

			if (!test_and_set_bit(i, &line6pcm->unlink_urb_out)) {

				struct urb *u = line6pcm->urb_audio_out[i];
@@ -320,7 +320,7 @@ void line6_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) 


	do {

		alive = 0;

		for (i = LINE6_ISO_BUFFERS; i--;) {

		for (i = 0; i < LINE6_ISO_BUFFERS; i++) {

			if (test_bit(i, &line6pcm->active_urb_out))

				alive++;

		}
@@ -366,14 +366,14 @@ static void audio_out_callback(struct urb *urb) 
	line6pcm->last_frame_out = urb->start_frame;



	/* find index of URB */

	for (index = LINE6_ISO_BUFFERS; index--;)

	for (index = 0; index < LINE6_ISO_BUFFERS; index++)

		if (urb == line6pcm->urb_audio_out[index])

			break;



	if (index < 0)

	if (index >= LINE6_ISO_BUFFERS)

		return;		/* URB has been unlinked asynchronously */



	for (i = LINE6_ISO_PACKETS; i--;)

	for (i = 0; i < LINE6_ISO_PACKETS; i++)

		length += urb->iso_frame_desc[i].length;



	spin_lock_irqsave(&line6pcm->lock_audio_out, flags);
@@ -390,7 +390,7 @@ static void audio_out_callback(struct urb *urb) 


	clear_bit(index, &line6pcm->active_urb_out);



	for (i = LINE6_ISO_PACKETS; i--;)

	for (i = 0; i < LINE6_ISO_PACKETS; i++)

		if (urb->iso_frame_desc[i].status == -EXDEV) {

			shutdown = 1;

			break;