diff options
Diffstat (limited to 'sound/usb/pcm.c')
| -rw-r--r-- | sound/usb/pcm.c | 30 |
1 files changed, 10 insertions, 20 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index c263991b3b9d..652724c12235 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -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; |