/*
* Information interface for ALSA driver
- * Copyright (c) by Jaroslav Kysela <perex@suse.cz>
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
*
*
* This program is free software; you can redistribute it and/or modify
*
*/
-#include <sound/driver.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/string.h>
#include <sound/info.h>
#include <sound/version.h>
#include <linux/utsname.h>
+#include <linux/mutex.h>
#if defined(CONFIG_SND_OSSEMUL) && defined(CONFIG_PROC_FS)
* OSS compatible part
*/
-static DECLARE_MUTEX(strings);
+static DEFINE_MUTEX(strings);
static char *snd_sndstat_strings[SNDRV_CARDS][SNDRV_OSS_INFO_DEV_COUNT];
static struct snd_info_entry *snd_sndstat_proc_entry;
{
char *x;
- snd_assert(dev >= 0 && dev < SNDRV_OSS_INFO_DEV_COUNT, return -ENXIO);
- snd_assert(num >= 0 && num < SNDRV_CARDS, return -ENXIO);
- down(&strings);
+ if (snd_BUG_ON(dev < 0 || dev >= SNDRV_OSS_INFO_DEV_COUNT))
+ return -ENXIO;
+ if (snd_BUG_ON(num < 0 || num >= SNDRV_CARDS))
+ return -ENXIO;
+ mutex_lock(&strings);
if (string == NULL) {
if ((x = snd_sndstat_strings[num][dev]) != NULL) {
kfree(x);
} else {
x = kstrdup(string, GFP_KERNEL);
if (x == NULL) {
- up(&strings);
+ mutex_unlock(&strings);
return -ENOMEM;
}
}
snd_sndstat_strings[num][dev] = x;
- up(&strings);
+ mutex_unlock(&strings);
return 0;
}
-extern void snd_card_info_read_oss(struct snd_info_buffer *buffer);
+EXPORT_SYMBOL(snd_oss_info_register);
static int snd_sndstat_show_strings(struct snd_info_buffer *buf, char *id, int dev)
{
char *str;
snd_iprintf(buf, "\n%s:", id);
- down(&strings);
+ mutex_lock(&strings);
for (idx = 0; idx < SNDRV_CARDS; idx++) {
str = snd_sndstat_strings[idx][dev];
if (str) {
snd_iprintf(buf, "%i: %s\n", idx, str);
}
}
- up(&strings);
+ mutex_unlock(&strings);
if (ok < 0)
snd_iprintf(buf, " NOT ENABLED IN CONFIG\n");
return ok;
{
snd_iprintf(buffer, "Sound Driver:3.8.1a-980706 (ALSA v" CONFIG_SND_VERSION " emulation code)\n");
snd_iprintf(buffer, "Kernel: %s %s %s %s %s\n",
- system_utsname.sysname,
- system_utsname.nodename,
- system_utsname.release,
- system_utsname.version,
- system_utsname.machine);
+ init_utsname()->sysname,
+ init_utsname()->nodename,
+ init_utsname()->release,
+ init_utsname()->version,
+ init_utsname()->machine);
snd_iprintf(buffer, "Config options: 0\n");
snd_iprintf(buffer, "\nInstalled drivers: \n");
snd_iprintf(buffer, "Type 10: ALSA emulation\n");
memset(snd_sndstat_strings, 0, sizeof(snd_sndstat_strings));
if ((entry = snd_info_create_module_entry(THIS_MODULE, "sndstat", snd_oss_root)) != NULL) {
- entry->c.text.read_size = 2048;
entry->c.text.read = snd_sndstat_proc_read;
if (snd_info_register(entry) < 0) {
snd_info_free_entry(entry);
int snd_info_minor_unregister(void)
{
- if (snd_sndstat_proc_entry) {
- snd_info_unregister(snd_sndstat_proc_entry);
- snd_sndstat_proc_entry = NULL;
- }
+ snd_info_free_entry(snd_sndstat_proc_entry);
+ snd_sndstat_proc_entry = NULL;
return 0;
}