ASoC: samsung: Allow setting OP_CLK of the IIS Multi Audio Interface

This patch adds support for setting source clock of the "Core CLK" of the IIS Multi Audio Interface. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
mariux64 · May 20, 2014 · c86d50f · c86d50f
1 parent deeaa68
commit c86d50f
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diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
@@ -451,6 +451,10 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
 	u32 mod = readl(i2s->addr + I2SMOD);
 
 	switch (clk_id) {
+	case SAMSUNG_I2S_OPCLK:
+		mod &= ~MOD_OPCLK_MASK;
+		mod |= dir;
+		break;
 	case SAMSUNG_I2S_CDCLK:
 		/* Shouldn't matter in GATING(CLOCK_IN) mode */
 		if (dir == SND_SOC_CLOCK_IN)

diff --git a/sound/soc/samsung/i2s.h b/sound/soc/samsung/i2s.h
@@ -18,5 +18,6 @@
 #define SAMSUNG_I2S_RCLKSRC_0	0
 #define SAMSUNG_I2S_RCLKSRC_1	1
 #define SAMSUNG_I2S_CDCLK		2
+#define SAMSUNG_I2S_OPCLK		3
 
 #endif /* __SND_SOC_SAMSUNG_I2S_H */