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: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index f75c19e5b5c3cb264b937b7fff787af85bd6e6b0..cab2a2abc89b40254e4f09bd5515d563c5625646 100644 (file)
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -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;