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Commit dcd60fc3 authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mark Brown
Browse files

ASoC: samsung: i2s: Add get_other_dai helper function 



The code to get pointer to the other DAI is repeated multiple
times. Add a helper function and use it instead.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c92f1d0e

sound/soc/samsung/i2s.c

+15 −9
Original line number Diff line number Diff line
@@ -130,10 +130,16 @@ static inline bool tx_active(struct i2s_dai *i2s) 
	return active ? true : false;

}



/* Return pointer to the other DAI */

static inline struct i2s_dai *get_other_dai(struct i2s_dai *i2s)

{

	return i2s->pri_dai ? : i2s->sec_dai;

}



/* If the other interface of the controller is transmitting data */

static inline bool other_tx_active(struct i2s_dai *i2s)

{

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);



	return tx_active(other);

}
@@ -160,7 +166,7 @@ static inline bool rx_active(struct i2s_dai *i2s) 
/* If the other interface of the controller is receiving data */

static inline bool other_rx_active(struct i2s_dai *i2s)

{

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);



	return rx_active(other);

}
@@ -461,7 +467,7 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai, 
	  int clk_id, unsigned int rfs, int dir)

{

	struct i2s_dai *i2s = to_info(dai);

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);

	u32 mod = readl(i2s->addr + I2SMOD);

	const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs;

	unsigned int cdcon_mask = 1 << i2s_regs->cdclkcon_off;
@@ -733,7 +739,7 @@ static int i2s_startup(struct snd_pcm_substream *substream, 
	  struct snd_soc_dai *dai)

{

	struct i2s_dai *i2s = to_info(dai);

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);

	unsigned long flags;



	spin_lock_irqsave(&lock, flags);
@@ -760,7 +766,7 @@ static void i2s_shutdown(struct snd_pcm_substream *substream, 
	struct snd_soc_dai *dai)

{

	struct i2s_dai *i2s = to_info(dai);

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);

	unsigned long flags;

	const struct samsung_i2s_variant_regs *i2s_regs = i2s->variant_regs;
@@ -791,7 +797,7 @@ static void i2s_shutdown(struct snd_pcm_substream *substream, 


static int config_setup(struct i2s_dai *i2s)

{

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);

	unsigned rfs, bfs, blc;

	u32 psr;
@@ -899,7 +905,7 @@ static int i2s_set_clkdiv(struct snd_soc_dai *dai, 
	int div_id, int div)

{

	struct i2s_dai *i2s = to_info(dai);

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);



	switch (div_id) {

	case SAMSUNG_I2S_DIV_BCLK:
@@ -968,7 +974,7 @@ static int i2s_resume(struct snd_soc_dai *dai) 
static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)

{

	struct i2s_dai *i2s = to_info(dai);

	struct i2s_dai *other = i2s->pri_dai ? : i2s->sec_dai;

	struct i2s_dai *other = get_other_dai(i2s);



	if (is_secondary(i2s)) { /* If this is probe on the secondary DAI */

		samsung_asoc_init_dma_data(dai, &other->sec_dai->dma_playback,
@@ -1271,7 +1277,7 @@ static int samsung_i2s_remove(struct platform_device *pdev) 
	struct i2s_dai *i2s, *other;



	i2s = dev_get_drvdata(&pdev->dev);

	other = i2s->pri_dai ? : i2s->sec_dai;

	other = get_other_dai(i2s);



	if (other) {

		other->pri_dai = NULL;