70 static void snd_request_other(int minor)  in snd_request_other()  argument
74 	switch (minor) {  in snd_request_other()
86  * @minor: the minor number
89  * Checks that a minor device with the specified type is registered, and returns
93  * if an associated instance with the given minor number and type is found.
99 void *snd_lookup_minor_data(unsigned int minor, int type)  in snd_lookup_minor_data()  argument
104 	if (minor >= ARRAY_SIZE(snd_minors))  in snd_lookup_minor_data()
107 	mreg = snd_minors[minor];  in snd_lookup_minor_data()
119 static struct snd_minor *autoload_device(unsigned int minor)  in autoload_device()  argument
123 	dev = SNDRV_MINOR_DEVICE(minor);  in autoload_device()
126 		int card = SNDRV_MINOR_CARD(minor);  in autoload_device()
134 		snd_request_other(minor);  in autoload_device()
137 	return snd_minors[minor];  in autoload_device()
140 #define autoload_device(minor)	NULL  argument
145 	unsigned int minor = iminor(inode);  in snd_open()  local
150 	if (minor >= ARRAY_SIZE(snd_minors))  in snd_open()
153 		mptr = snd_minors[minor];  in snd_open()
155 			mptr = autoload_device(minor);  in snd_open()
180 	int minor;  in snd_find_free_minor()  local
188 	for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor) {  in snd_find_free_minor()
190 		if (SNDRV_MINOR_DEVICE(minor) == SNDRV_MINOR_CONTROL)  in snd_find_free_minor()
192 		if (minor == SNDRV_MINOR_SEQUENCER ||  in snd_find_free_minor()
193 		    minor == SNDRV_MINOR_TIMER)  in snd_find_free_minor()
195 		if (!snd_minors[minor])  in snd_find_free_minor()
196 			return minor;  in snd_find_free_minor()
203 	int minor;  in snd_find_free_minor()  local
208 		minor = type;  in snd_find_free_minor()
213 		minor = SNDRV_MINOR(card->number, type);  in snd_find_free_minor()
222 		minor = SNDRV_MINOR(card->number, type + dev);  in snd_find_free_minor()
227 	if (snd_BUG_ON(minor < 0 || minor >= SNDRV_OS_MINORS))  in snd_find_free_minor()
229 	if (snd_minors[minor])  in snd_find_free_minor()
231 	return minor;  in snd_find_free_minor()
253 	int minor;  in snd_register_device()  local
270 	minor = snd_find_free_minor(type, card, dev);  in snd_register_device()
271 	if (minor < 0) {  in snd_register_device()
272 		err = minor;  in snd_register_device()
277 	device->devt = MKDEV(major, minor);  in snd_register_device()
282 	snd_minors[minor] = preg;  in snd_register_device()
301 	int minor;  in snd_unregister_device()  local
305 	for (minor = 0; minor < ARRAY_SIZE(snd_minors); ++minor) {  in snd_unregister_device()
306 		preg = snd_minors[minor];  in snd_unregister_device()
308 			snd_minors[minor] = NULL;  in snd_unregister_device()
314 	if (minor >= ARRAY_SIZE(snd_minors))  in snd_unregister_device()
350 	int minor;  in snd_minor_info_read()  local
354 	for (minor = 0; minor < SNDRV_OS_MINORS; ++minor) {  in snd_minor_info_read()
355 		mptr = snd_minors[minor];  in snd_minor_info_read()
361 					    minor, mptr->card, mptr->device,  in snd_minor_info_read()
365 					    minor, mptr->card,  in snd_minor_info_read()
368 			snd_iprintf(buffer, "%3i:        : %s\n", minor,  in snd_minor_info_read()