diff options
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 9acc77eae487..dfc28542a007 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1113,18 +1113,20 @@ int snd_interval_list(struct snd_interval *i, unsigned int count, EXPORT_SYMBOL(snd_interval_list); -static int snd_interval_step(struct snd_interval *i, unsigned int min, unsigned int step) +static int snd_interval_step(struct snd_interval *i, unsigned int step) { unsigned int n; int changed = 0; - n = (i->min - min) % step; + n = i->min % step; if (n != 0 || i->openmin) { i->min += step - n; + i->openmin = 0; changed = 1; } - n = (i->max - min) % step; + n = i->max % step; if (n != 0 || i->openmax) { i->max -= n; + i->openmax = 0; changed = 1; } if (snd_interval_checkempty(i)) { @@ -1427,7 +1429,7 @@ static int snd_pcm_hw_rule_step(struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule) { unsigned long step = (unsigned long) rule->private; - return snd_interval_step(hw_param_interval(params, rule->var), 0, step); + return snd_interval_step(hw_param_interval(params, rule->var), step); } /** @@ -1782,14 +1784,16 @@ static int snd_pcm_lib_ioctl_fifo_size(struct snd_pcm_substream *substream, { struct snd_pcm_hw_params *params = arg; snd_pcm_format_t format; - int channels, width; + int channels; + ssize_t frame_size; params->fifo_size = substream->runtime->hw.fifo_size; if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_FIFO_IN_FRAMES)) { format = params_format(params); channels = params_channels(params); - width = snd_pcm_format_physical_width(format); - params->fifo_size /= width * channels; + frame_size = snd_pcm_format_size(format, channels); + if (frame_size > 0) + params->fifo_size /= (unsigned)frame_size; } return 0; } |