---

yaml --- r: 193312 b: refs/heads/master c: 1ca7578 h: refs/heads/master v: v3
git-mirror · Mar 4, 2010 · a1add9b · a1add9b
1 parent e503d37
commit a1add9b
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Showing 2 changed files with 20 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 913d7b4cc0d958df9f2e4bc0e6926c037d96d07e
+refs/heads/master: 1ca7578043a79d74152774acee0ed6e393134d12
diff --git a/trunk/sound/soc/s3c24xx/s3c-i2s-v2.c b/trunk/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -550,6 +550,21 @@ static int s3c2412_i2s_set_clkdiv(struct snd_soc_dai *cpu_dai,
 	return 0;
 }
 
+static snd_pcm_sframes_t s3c2412_i2s_delay(struct snd_pcm_substream *substream,
+					   struct snd_soc_dai *dai)
+{
+	struct s3c_i2sv2_info *i2s = to_info(dai);
+	u32 reg = readl(i2s->regs + S3C2412_IISFIC);
+	snd_pcm_sframes_t delay;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		delay = S3C2412_IISFIC_TXCOUNT(reg);
+	else
+		delay = S3C2412_IISFIC_RXCOUNT(reg);
+
+	return delay;
+}
+
 /* default table of all avaialable root fs divisors */
 static unsigned int iis_fs_tab[] = { 256, 512, 384, 768 };
 
@@ -736,6 +751,10 @@ int s3c_i2sv2_register_dai(struct snd_soc_dai *dai)
 	ops->set_fmt = s3c2412_i2s_set_fmt;
 	ops->set_clkdiv = s3c2412_i2s_set_clkdiv;
 
+	/* Allow overriding by (for example) IISv4 */
+	if (!ops->delay)
+		ops->delay = s3c2412_i2s_delay,
+
 	dai->suspend = s3c2412_i2s_suspend;
 	dai->resume = s3c2412_i2s_resume;