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: Eldad Zack <eldad@fogrefinery.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
index c263991..652724c 100644
--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -94,13 +94,11 @@
*/
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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
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 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 @@
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;