[ALSA] hda-codec - Fix support of laptops with AD1986A codec

[pandora-kernel.git] / sound / pci / cmipci.c

diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index c03b0a0..2ecbddb 100644 (file)
--- a/sound/pci/cmipci.c
+++ b/sound/pci/cmipci.c
@@ -29,6 +29,7 @@
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
+#include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/info.h>
 #include <sound/control.h>
@@ -439,7 +440,7 @@ struct cmipci {
        struct snd_pcm_hardware *hw_info[3]; /* for playbacks */
 
        int opened[2];  /* open mode */
-       struct semaphore open_mutex;
+       struct mutex open_mutex;
 
        unsigned int mixer_insensitive: 1;
        struct snd_kcontrol *mixer_res_ctl[CM_SAVED_MIXERS];
@@ -641,14 +642,14 @@ static int snd_cmipci_playback2_hw_params(struct snd_pcm_substream *substream,
 {
        struct cmipci *cm = snd_pcm_substream_chip(substream);
        if (params_channels(hw_params) > 2) {
-               down(&cm->open_mutex);
+               mutex_lock(&cm->open_mutex);
                if (cm->opened[CM_CH_PLAY]) {
-                       up(&cm->open_mutex);
+                       mutex_unlock(&cm->open_mutex);
                        return -EBUSY;
                }
                /* reserve the channel A */
                cm->opened[CM_CH_PLAY] = CM_OPEN_PLAYBACK_MULTI;
-               up(&cm->open_mutex);
+               mutex_unlock(&cm->open_mutex);
        }
        return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params));
 }
@@ -1461,9 +1462,9 @@ static int open_device_check(struct cmipci *cm, int mode, struct snd_pcm_substre
         * pcm framework doesn't pass file pointer before actually opened,
         * we can't know whether blocking mode or not in open callback..
         */
-       down(&cm->open_mutex);
+       mutex_lock(&cm->open_mutex);
        if (cm->opened[ch]) {
-               up(&cm->open_mutex);
+               mutex_unlock(&cm->open_mutex);
                return -EBUSY;
        }
        cm->opened[ch] = mode;
@@ -1475,7 +1476,7 @@ static int open_device_check(struct cmipci *cm, int mode, struct snd_pcm_substre
                snd_cmipci_clear_bit(cm, CM_REG_MISC_CTRL, CM_ENDBDAC);
                spin_unlock_irq(&cm->reg_lock);
        }
-       up(&cm->open_mutex);
+       mutex_unlock(&cm->open_mutex);
        return 0;
 }
 
@@ -1483,7 +1484,7 @@ static void close_device_check(struct cmipci *cm, int mode)
 {
        int ch = mode & CM_OPEN_CH_MASK;
 
-       down(&cm->open_mutex);
+       mutex_lock(&cm->open_mutex);
        if (cm->opened[ch] == mode) {
                if (cm->channel[ch].substream) {
                        snd_cmipci_ch_reset(cm, ch);
@@ -1499,7 +1500,7 @@ static void close_device_check(struct cmipci *cm, int mode)
                        spin_unlock_irq(&cm->reg_lock);
                }
        }
-       up(&cm->open_mutex);
+       mutex_unlock(&cm->open_mutex);
 }
 
 /*
@@ -1546,7 +1547,7 @@ static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream)
        if ((err = open_device_check(cm, CM_OPEN_PLAYBACK2, substream)) < 0) /* use channel B */
                return err;
        runtime->hw = snd_cmipci_playback2;
-       down(&cm->open_mutex);
+       mutex_lock(&cm->open_mutex);
        if (! cm->opened[CM_CH_PLAY]) {
                if (cm->can_multi_ch) {
                        runtime->hw.channels_max = cm->max_channels;
@@ -1559,7 +1560,7 @@ static int snd_cmipci_playback2_open(struct snd_pcm_substream *substream)
                }
                snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 0, 0x10000);
        }
-       up(&cm->open_mutex);
+       mutex_unlock(&cm->open_mutex);
        return 0;
 }
 
@@ -2844,7 +2845,7 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc
        }
 
        spin_lock_init(&cm->reg_lock);
-       init_MUTEX(&cm->open_mutex);
+       mutex_init(&cm->open_mutex);
        cm->device = pci->device;
        cm->card = card;
        cm->pci = pci;