From 62932df8fb20ba2fb53a95fa52445eba22e821fe Mon Sep 17 00:00:00 2001
From: Ingo Molnar <mingo@elte.hu>
Date: Mon, 16 Jan 2006 16:34:20 +0100
Subject: [ALSA] semaphore -> mutex (PCI part)

Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/pci/cmipci.c | 25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

(limited to 'sound/pci/cmipci.c')

diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c
index c03b0a0a3b2..2ecbddbbdcf 100644
--- 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;
-- 
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