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drivers: i2s_mcux_sai: make word_size_bytes var

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Creating this local variable saves some text space in ROM

Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
This commit is contained in:
Declan Snyder 2024-11-20 18:03:16 -06:00 committed by Benjamin Cabé
parent 9e0e41ea1d
commit d22607ae27
1 changed files with 9 additions and 8 deletions
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17
drivers/i2s/i2s_mcux_sai.c
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@ -441,6 +441,7 @@ static int i2s_mcux_config(const struct device *dev, enum i2s_dir dir,
enum i2s_state *tx_state = &(dev_data->tx.state);
enum i2s_state *rx_state = &(dev_data->rx.state);
uint8_t word_size_bits = i2s_cfg->word_size;
uint8_t word_size_bytes = word_size_bits / 8;
uint8_t num_words = i2s_cfg->channels;
sai_transceiver_t config;
int ret = -EINVAL;
@ -608,10 +609,10 @@ static int i2s_mcux_config(const struct device *dev, enum i2s_dir dir,
i2s_cfg->channels);
LOG_DBG("tx start_channel = %d", dev_data->tx.start_channel);
/*set up dma settings*/
dev_data->tx.dma_cfg.source_data_size = word_size_bits / 8;
dev_data->tx.dma_cfg.dest_data_size = word_size_bits / 8;
dev_data->tx.dma_cfg.source_burst_length = i2s_cfg->word_size / 8;
dev_data->tx.dma_cfg.dest_burst_length = i2s_cfg->word_size / 8;
dev_data->tx.dma_cfg.source_data_size = word_size_bytes;
dev_data->tx.dma_cfg.dest_data_size = word_size_bytes;
dev_data->tx.dma_cfg.source_burst_length = word_size_bytes;
dev_data->tx.dma_cfg.dest_burst_length = word_size_bytes;
dev_data->tx.dma_cfg.user_data = (void *)dev;
dev_data->tx.state = I2S_STATE_READY;
} else {
@ -631,10 +632,10 @@ static int i2s_mcux_config(const struct device *dev, enum i2s_dir dir,
i2s_cfg->channels);
LOG_DBG("rx start_channel = %d", dev_data->rx.start_channel);
/*set up dma settings*/
dev_data->rx.dma_cfg.source_data_size = word_size_bits / 8;
dev_data->rx.dma_cfg.dest_data_size = word_size_bits / 8;
dev_data->rx.dma_cfg.source_burst_length = i2s_cfg->word_size / 8;
dev_data->rx.dma_cfg.dest_burst_length = i2s_cfg->word_size / 8;
dev_data->rx.dma_cfg.source_data_size = word_size_bytes;
dev_data->rx.dma_cfg.dest_data_size = word_size_bytes;
dev_data->rx.dma_cfg.source_burst_length = word_size_bytes;
dev_data->rx.dma_cfg.dest_burst_length = word_size_bytes;
dev_data->rx.dma_cfg.user_data = (void *)dev;
dev_data->rx.state = I2S_STATE_READY;
}