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espressif: i2sout: don't needlessly set sample rate

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this may reduce glitches when starting samples
This commit is contained in:
Jeff Epler 2023-02-03 13:55:20 -06:00
parent 75ed28665c
commit 41dff5d8cc
1 changed files with 5 additions and 1 deletions
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6
ports/espressif/common-hal/audiobusio/__init__.c
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@ -223,7 +223,11 @@ void port_i2s_play(i2s_t *self, mp_obj_t sample, bool loop) {
audiosample_reset_buffer(self->sample, false, 0);
CHECK_ESP_RESULT(i2s_set_sample_rates(self->instance, audiosample_sample_rate(sample)));
uint32_t sample_rate = audiosample_sample_rate(sample);
if (sample_rate != self->i2s_config.sample_rate) {
CHECK_ESP_RESULT(i2s_set_sample_rates(self->instance, audiosample_sample_rate(sample)));
self->i2s_config.sample_rate = sample_rate;
}
background_callback_add(&self->callback, i2s_callback_fun, self);
}