---

yaml --- r: 120183 b: refs/heads/master c: 0c235d1 h: refs/heads/master i: 120181: 5437f48 120179: 4e08a1e 120175: 53cdfda v: v3
git-mirror · Oct 30, 2008 · e5e499c · e5e499c
1 parent c4ff28d
commit e5e499c
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: ca53fb24dd21bff32c4b41b2be1035a1adfc0135
+refs/heads/master: 0c235d1e837c142b7565814318b6ba5917d5ac32
diff --git a/trunk/sound/soc/codecs/cs4270.c b/trunk/sound/soc/codecs/cs4270.c
@@ -450,6 +450,19 @@ static int cs4270_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 	}
 
+	/* Disable automatic volume control.  It's enabled by default, and
+	 * it causes volume change commands to be delayed, sometimes until
+	 * after playback has started.
+	 */
+
+	reg = cs4270_read_reg_cache(codec, CS4270_TRANS);
+	reg &= ~(CS4270_TRANS_SOFT | CS4270_TRANS_ZERO);
+	ret = cs4270_i2c_write(codec, CS4270_TRANS, reg);
+	if (ret < 0) {
+		printk(KERN_ERR "I2C write failed\n");
+		return ret;
+	}
+
 	/* Thaw and power-up the codec */
 
 	ret = snd_soc_write(codec, CS4270_PWRCTL, 0);