[bsp]Mini optimized the drv_sound.c

1.  "tx_fifo = rt_calloc(1, TX_FIFO_SIZE); "  , so deleted the line "rt_memset(tx_fifo, 0, TX_FIFO_SIZE);"
2. " rx_fifo = rt_calloc(1, TX_FIFO_SIZE); "  , so deleted the line "rt_memset(rx_fifo, 0, TX_FIFO_SIZE);"
This commit is contained in:
David Lin 2021-02-08 11:57:50 +08:00 committed by GitHub
parent 21ebf93e20
commit 79267212ef
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 5 deletions

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@ -453,7 +453,6 @@ static int rt_hw_sound_init(void)
return -RT_ENOMEM; return -RT_ENOMEM;
} }
rt_memset(tx_fifo, 0, TX_FIFO_SIZE);
snd_dev.tx_fifo = tx_fifo; snd_dev.tx_fifo = tx_fifo;
/* 分配 DMA 搬运 buffer */ /* 分配 DMA 搬运 buffer */
@ -463,7 +462,6 @@ static int rt_hw_sound_init(void)
return -RT_ENOMEM; return -RT_ENOMEM;
} }
rt_memset(rx_fifo, 0, TX_FIFO_SIZE);
snd_dev.rx_fifo = rx_fifo; snd_dev.rx_fifo = rx_fifo;
/* init default configuration */ /* init default configuration */