From dcd60fc3445329d738a23ab7997717491c2f4cec Mon Sep 17 00:00:00 2001 From: Sylwester Nawrocki Date: Wed, 14 Jan 2015 19:42:33 +0100 Subject: [PATCH] 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 Signed-off-by: Mark Brown --- sound/soc/samsung/i2s.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c index f75c19e5..cab2a2a 100644 --- 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; -- 2.7.4