ALSA CVS update - Takashi Iwai <tiwai@suse.de>

ICE1712 driver,ICE1724 driver
- added the support of independent surround PCM for ice1724.

sound/pci/ice1712/ice1712.c

@@ -2375,6 +2375,7 @@ static int __devinit snd_ice1712_create(snd_card_t * card,
 	ice->omni = omni ? 1 : 0;
 	spin_lock_init(&ice->reg_lock);
 	init_MUTEX(&ice->gpio_mutex);
+	init_MUTEX(&ice->open_mutex);
 	ice->gpio.set_mask = snd_ice1712_set_gpio_mask;
 	ice->gpio.set_dir = snd_ice1712_set_gpio_dir;
 	ice->gpio.set_data = snd_ice1712_set_gpio_data;

sound/pci/ice1712/ice1712.h

@@ -335,6 +335,9 @@ struct _snd_ice1712 {
 	unsigned short hoontech_boxconfig[4];
 	unsigned int cur_rate;		/* current rate */
 
+	struct semaphore open_mutex;
+	snd_pcm_substream_t *pcm_reserved[4];
+
 	unsigned int akm_codecs;
 	akm4xxx_t *akm;
 	struct snd_ice1712_spdif spdif;