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ASoC: samsung: i2s: Add get_other_dai helper function

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

Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Sylwester Nawrocki 2015-01-14 19:42:33 +01:00 committed by Mark Brown
parent c92f1d0e7c
commit dcd60fc344
1 changed files with 15 additions and 9 deletions
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24
sound/soc/samsung/i2s.c
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@ -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;