diff options
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index a93a4235a332..a83152e7d387 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -248,8 +248,10 @@ static void update_audio_tstamp(struct snd_pcm_substream *substream, runtime->rate); *audio_tstamp = ns_to_timespec(audio_nsecs); } - runtime->status->audio_tstamp = *audio_tstamp; - runtime->status->tstamp = *curr_tstamp; + if (!timespec_equal(&runtime->status->audio_tstamp, audio_tstamp)) { + runtime->status->audio_tstamp = *audio_tstamp; + runtime->status->tstamp = *curr_tstamp; + } /* * re-take a driver timestamp to let apps detect if the reference tstamp @@ -558,7 +560,6 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b, { u_int64_t n = (u_int64_t) a * b; if (c == 0) { - snd_BUG_ON(!n); *r = 0; return UINT_MAX; } @@ -1601,7 +1602,7 @@ static int _snd_pcm_hw_param_first(struct snd_pcm_hw_params *params, changed = snd_interval_refine_first(hw_param_interval(params, var)); else return -EINVAL; - if (changed) { + if (changed > 0) { params->cmask |= 1 << var; params->rmask |= 1 << var; } @@ -1630,7 +1631,7 @@ int snd_pcm_hw_param_first(struct snd_pcm_substream *pcm, return changed; if (params->rmask) { int err = snd_pcm_hw_refine(pcm, params); - if (snd_BUG_ON(err < 0)) + if (err < 0) return err; } return snd_pcm_hw_param_value(params, var, dir); @@ -1647,7 +1648,7 @@ static int _snd_pcm_hw_param_last(struct snd_pcm_hw_params *params, changed = snd_interval_refine_last(hw_param_interval(params, var)); else return -EINVAL; - if (changed) { + if (changed > 0) { params->cmask |= 1 << var; params->rmask |= 1 << var; } @@ -1676,7 +1677,7 @@ int snd_pcm_hw_param_last(struct snd_pcm_substream *pcm, return changed; if (params->rmask) { int err = snd_pcm_hw_refine(pcm, params); - if (snd_BUG_ON(err < 0)) + if (err < 0) return err; } return snd_pcm_hw_param_value(params, var, dir); |