samples: drivers: i2s: Format i2s_codec sample main.c

- format code according to the coding rules

Signed-off-by: Tomas Barak <tomas.barak@nxp.com>

Author: TomasBarakNXP

samples/drivers/i2s/i2s_codec/src/main.c

@@ -15,20 +15,20 @@
 #include "sine.h"
 #endif
 
-#define I2S_CODEC_TX  DT_ALIAS(i2s_codec_tx)
+#define I2S_CODEC_TX DT_ALIAS(i2s_codec_tx)
 
-#define SAMPLE_FREQUENCY    CONFIG_SAMPLE_FREQ
-#define SAMPLE_BIT_WIDTH    (16U)
-#define BYTES_PER_SAMPLE    sizeof(int16_t)
+#define SAMPLE_FREQUENCY CONFIG_SAMPLE_FREQ
+#define SAMPLE_BIT_WIDTH (16U)
+#define BYTES_PER_SAMPLE sizeof(int16_t)
 #if CONFIG_USE_DMIC
-#define NUMBER_OF_CHANNELS  CONFIG_DMIC_CHANNELS
+#define NUMBER_OF_CHANNELS CONFIG_DMIC_CHANNELS
 #else
 #define NUMBER_OF_CHANNELS (2U)
 #endif
 /* Such block length provides an echo with the delay of 100 ms. */
-#define SAMPLES_PER_BLOCK   ((SAMPLE_FREQUENCY / 10) * NUMBER_OF_CHANNELS)
-#define INITIAL_BLOCKS      CONFIG_I2S_INIT_BUFFERS
-#define TIMEOUT             (2000U)
+#define SAMPLES_PER_BLOCK ((SAMPLE_FREQUENCY / 10) * NUMBER_OF_CHANNELS)
+#define INITIAL_BLOCKS    CONFIG_I2S_INIT_BUFFERS
+#define TIMEOUT           (2000U)
 
 #define BLOCK_SIZE  (BYTES_PER_SAMPLE * SAMPLES_PER_BLOCK)
 #define BLOCK_COUNT (INITIAL_BLOCKS + 32)
@@ -47,8 +47,7 @@ static bool configure_tx_streams(const struct device *i2s_dev, struct i2s_config
 	return true;
 }
 
-static bool trigger_command(const struct device *i2s_dev_codec,
-			    enum i2s_trigger_cmd cmd)
+static bool trigger_command(const struct device *i2s_dev_codec, enum i2s_trigger_cmd cmd)
 {
 	int ret;
 
@@ -70,12 +69,12 @@ int main(void)
 	const struct device *const codec_dev = DEVICE_DT_GET(DT_NODELABEL(audio_codec));
 	struct i2s_config config;
 	struct audio_codec_cfg audio_cfg;
-	int ret;
+	int ret = 0;
 
 #if CONFIG_USE_DMIC
 	struct pcm_stream_cfg stream = {
 		.pcm_width = SAMPLE_BIT_WIDTH,
-		.mem_slab  = &mem_slab,
+		.mem_slab = &mem_slab,
 	};
 	struct dmic_cfg cfg = {
 		.io = {
@@ -108,15 +107,14 @@ int main(void)
 		return 0;
 	}
 
-
 	if (!device_is_ready(codec_dev)) {
 		printk("%s is not ready", codec_dev->name);
 		return 0;
 	}
 	audio_cfg.dai_route = AUDIO_ROUTE_PLAYBACK;
 	audio_cfg.dai_type = AUDIO_DAI_TYPE_I2S;
 	audio_cfg.dai_cfg.i2s.word_size = SAMPLE_BIT_WIDTH;
-	audio_cfg.dai_cfg.i2s.channels =  2;
+	audio_cfg.dai_cfg.i2s.channels = 2;
 	audio_cfg.dai_cfg.i2s.format = I2S_FMT_DATA_FORMAT_I2S;
 	audio_cfg.dai_cfg.i2s.options = I2S_OPT_FRAME_CLK_MASTER;
 	audio_cfg.dai_cfg.i2s.frame_clk_freq = SAMPLE_FREQUENCY;
@@ -127,14 +125,13 @@ int main(void)
 
 #if CONFIG_USE_DMIC
 	cfg.channel.req_num_chan = 2;
-	cfg.channel.req_chan_map_lo =
-		dmic_build_channel_map(0, 0, PDM_CHAN_LEFT) |
-		dmic_build_channel_map(1, 0, PDM_CHAN_RIGHT);
+	cfg.channel.req_chan_map_lo = dmic_build_channel_map(0, 0, PDM_CHAN_LEFT) |
+				      dmic_build_channel_map(1, 0, PDM_CHAN_RIGHT);
 	cfg.streams[0].pcm_rate = SAMPLE_FREQUENCY;
 	cfg.streams[0].block_size = BLOCK_SIZE;
 
-	printk("PCM output rate: %u, channels: %u\n",
-		cfg.streams[0].pcm_rate, cfg.channel.req_num_chan);
+	printk("PCM output rate: %u, channels: %u\n", cfg.streams[0].pcm_rate,
+	       cfg.channel.req_num_chan);
 
 	ret = dmic_configure(dmic_dev, &cfg);
 	if (ret < 0) {
@@ -198,8 +195,7 @@ int main(void)
 				started = true;
 			}
 		}
-		if (!trigger_command(i2s_dev_codec,
-				     I2S_TRIGGER_DROP)) {
+		if (!trigger_command(i2s_dev_codec, I2S_TRIGGER_DROP)) {
 			printk("Send I2S trigger DRAIN failed: %d", ret);
 			return 0;
 		}