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/linux-master/sound/core/
H A Dpcm_lib.c71 snd_pcm_sframes_t noise_dist; local
78 noise_dist = appl_ptr - new_hw_ptr;
79 if (noise_dist < 0)
80 noise_dist += runtime->boundary;
82 noise_dist += runtime->silence_filled;
83 if (noise_dist >= (snd_pcm_sframes_t) runtime->silence_threshold)
85 frames = runtime->silence_threshold - noise_dist;

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