4 files changed, 25 insertions, 8 deletions

diff --git a/sound/i2c/other/ak4114.c b/sound/i2c/other/ak4114.c
index d20d893b3b60..0341451f814c 100644
--- a/sound/i2c/other/ak4114.c
+++ b/sound/i2c/other/ak4114.c
@@ -475,7 +475,8 @@ int snd_ak4114_build(struct ak4114 *ak4114,
 	unsigned int idx;
 	int err;
 
-	snd_assert(cap_substream, return -EINVAL);
+	if (snd_BUG_ON(!cap_substream))
+		return -EINVAL;
 	ak4114->playback_substream = ply_substream;
 	ak4114->capture_substream = cap_substream;
 	for (idx = 0; idx < AK4114_CONTROLS; idx++) {
diff --git a/sound/i2c/other/ak4117.c b/sound/i2c/other/ak4117.c
index f350835ade96..2cad2d612518 100644
--- a/sound/i2c/other/ak4117.c
+++ b/sound/i2c/other/ak4117.c
@@ -431,7 +431,8 @@ int snd_ak4117_build(struct ak4117 *ak4117, struct snd_pcm_substream *cap_substr
 	unsigned int idx;
 	int err;
 
-	snd_assert(cap_substream, return -EINVAL);
+	if (snd_BUG_ON(!cap_substream))
+		return -EINVAL;
 	ak4117->substream = cap_substream;
 	for (idx = 0; idx < AK4117_CONTROLS; idx++) {
 		kctl = snd_ctl_new1(&snd_ak4117_iec958_controls[idx], ak4117);
diff --git a/sound/i2c/other/ak4xxx-adda.c b/sound/i2c/other/ak4xxx-adda.c
index 288926d2e205..ee47abab764e 100644
--- a/sound/i2c/other/ak4xxx-adda.c
+++ b/sound/i2c/other/ak4xxx-adda.c
@@ -233,8 +233,8 @@ void snd_akm4xxx_init(struct snd_akm4xxx *ak)
 		0x01, 0x02, /* 1: reset and soft-mute */
 		0x00, 0x06, /* 0: mode3(i2s), disable auto-clock detect,
 			     * disable DZF, sharp roll-off, RSTN#=0 */
-		0x02, 0x0e, /* 2: DA's power up, normal speed, RSTN#=0 */
-		// 0x02, 0x2e, /* quad speed */
+		0x02, 0x4e, /* 2: DA's power up, normal speed, RSTN#=0 */
+		/* 0x02, 0x6e,*/ /* quad speed */
 		0x03, 0x01, /* 3: de-emphasis off */
 		0x04, 0x00, /* 4: LOUT1 volume muted */
 		0x05, 0x00, /* 5: ROUT1 volume muted */
diff --git a/sound/i2c/other/tea575x-tuner.c b/sound/i2c/other/tea575x-tuner.c
index 83e90057270e..c13a178383ba 100644
--- a/sound/i2c/other/tea575x-tuner.c
+++ b/sound/i2c/other/tea575x-tuner.c
@@ -87,8 +87,7 @@ static void snd_tea575x_set_freq(struct snd_tea575x *tea)
 static int snd_tea575x_ioctl(struct inode *inode, struct file *file,
 			     unsigned int cmd, unsigned long data)
 {
-	struct video_device *dev = video_devdata(file);
-	struct snd_tea575x *tea = video_get_drvdata(dev);
+	struct snd_tea575x *tea = video_drvdata(file);
 	void __user *arg = (void __user *)data;
 	
 	switch(cmd) {
@@ -175,6 +174,21 @@ static void snd_tea575x_release(struct video_device *vfd)
 {
 }
 
+static int snd_tea575x_exclusive_open(struct inode *inode, struct file *file)
+{
+	struct snd_tea575x *tea = video_drvdata(file);
+
+	return test_and_set_bit(0, &tea->in_use) ? -EBUSY : 0;
+}
+
+static int snd_tea575x_exclusive_release(struct inode *inode, struct file *file)
+{
+	struct snd_tea575x *tea = video_drvdata(file);
+
+	clear_bit(0, &tea->in_use);
+	return 0;
+}
+
 /*
  * initialize all the tea575x chips
  */
@@ -193,9 +207,10 @@ void snd_tea575x_init(struct snd_tea575x *tea)
 	tea->vd.release = snd_tea575x_release;
 	video_set_drvdata(&tea->vd, tea);
 	tea->vd.fops = &tea->fops;
+	tea->in_use = 0;
 	tea->fops.owner = tea->card->module;
-	tea->fops.open = video_exclusive_open;
-	tea->fops.release = video_exclusive_release;
+	tea->fops.open = snd_tea575x_exclusive_open;
+	tea->fops.release = snd_tea575x_exclusive_release;
 	tea->fops.ioctl = snd_tea575x_ioctl;
 	if (video_register_device(&tea->vd, VFL_TYPE_RADIO, tea->dev_nr - 1) < 0) {
 		snd_printk(KERN_ERR "unable to register tea575x tuner\n");