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IP/Subsystem: Fix the I2S Tx interrupt masking issue if the requested… #140

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IP/Subsystem: Fix the I2S Tx interrupt masking issue if the requested… #140

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8 changes: 8 additions & 0 deletions device/ip/subsystem/i2s/i2s_tx_master.c
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Original file line number Diff line number Diff line change
Expand Up @@ -450,6 +450,14 @@ static uint32_t i2s_tx_master_write_samples(uint32_t dev_id,
if (NULL != dev->tx_cb) {
dev->tx_cb(dev_id);
}
/* As the whole data requested by the upper
layer has been sent, there is no need to keep
a value in *count.
Setting *count to zero will prevent calling
i2s_tx_master_write_samples again, where
usr_cnt will be equal to sys_cnt,
which will result in masking the interrupt */
*count = 0;
}
}

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