*
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
MODULE_ALIAS("snd-seq-client-" __stringify(SNDRV_SEQ_CLIENT_DUMMY));
static int ports = 1;
-static int duplex = 0;
+static int duplex;
module_param(ports, int, 0444);
MODULE_PARM_DESC(ports, "number of ports to be created");
module_param(duplex, bool, 0444);
MODULE_PARM_DESC(duplex, "create DUPLEX ports");
-typedef struct snd_seq_dummy_port {
+struct snd_seq_dummy_port {
int client;
int port;
int duplex;
int connect;
-} snd_seq_dummy_port_t;
+};
static int my_client = -1;
* Note: this callback is called only after all subscribers are removed.
*/
static int
-dummy_unuse(void *private_data, snd_seq_port_subscribe_t *info)
+dummy_unuse(void *private_data, struct snd_seq_port_subscribe *info)
{
- snd_seq_dummy_port_t *p;
+ struct snd_seq_dummy_port *p;
int i;
- snd_seq_event_t ev;
+ struct snd_seq_event ev;
p = private_data;
memset(&ev, 0, sizeof(ev));
* event input callback - just redirect events to subscribers
*/
static int
-dummy_input(snd_seq_event_t *ev, int direct, void *private_data, int atomic, int hop)
+dummy_input(struct snd_seq_event *ev, int direct, void *private_data,
+ int atomic, int hop)
{
- snd_seq_dummy_port_t *p;
- snd_seq_event_t tmpev;
+ struct snd_seq_dummy_port *p;
+ struct snd_seq_event tmpev;
p = private_data;
if (ev->source.client == SNDRV_SEQ_CLIENT_SYSTEM ||
/*
* create a port
*/
-static snd_seq_dummy_port_t __init *
+static struct snd_seq_dummy_port __init *
create_port(int idx, int type)
{
- snd_seq_port_info_t pinfo;
- snd_seq_port_callback_t pcb;
- snd_seq_dummy_port_t *rec;
+ struct snd_seq_port_info pinfo;
+ struct snd_seq_port_callback pcb;
+ struct snd_seq_dummy_port *rec;
- if ((rec = kcalloc(1, sizeof(*rec), GFP_KERNEL)) == NULL)
+ if ((rec = kzalloc(sizeof(*rec), GFP_KERNEL)) == NULL)
return NULL;
rec->client = my_client;
pinfo.capability |= SNDRV_SEQ_PORT_CAP_WRITE | SNDRV_SEQ_PORT_CAP_SUBS_WRITE;
if (duplex)
pinfo.capability |= SNDRV_SEQ_PORT_CAP_DUPLEX;
- pinfo.type = SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC;
+ pinfo.type = SNDRV_SEQ_PORT_TYPE_MIDI_GENERIC
+ | SNDRV_SEQ_PORT_TYPE_SOFTWARE
+ | SNDRV_SEQ_PORT_TYPE_PORT;
memset(&pcb, 0, sizeof(pcb));
pcb.owner = THIS_MODULE;
pcb.unuse = dummy_unuse;
static int __init
register_client(void)
{
- snd_seq_client_callback_t cb;
- snd_seq_client_info_t cinfo;
- snd_seq_dummy_port_t *rec1, *rec2;
+ struct snd_seq_dummy_port *rec1, *rec2;
int i;
if (ports < 1) {
}
/* create client */
- memset(&cb, 0, sizeof(cb));
- cb.allow_input = 1;
- cb.allow_output = 1;
- my_client = snd_seq_create_kernel_client(NULL, SNDRV_SEQ_CLIENT_DUMMY, &cb);
+ my_client = snd_seq_create_kernel_client(NULL, SNDRV_SEQ_CLIENT_DUMMY,
+ "Midi Through");
if (my_client < 0)
return my_client;
- /* set client name */
- memset(&cinfo, 0, sizeof(cinfo));
- cinfo.client = my_client;
- cinfo.type = KERNEL_CLIENT;
- strcpy(cinfo.name, "Midi Through");
- snd_seq_kernel_client_ctl(my_client, SNDRV_SEQ_IOCTL_SET_CLIENT_INFO, &cinfo);
-
/* create ports */
for (i = 0; i < ports; i++) {
rec1 = create_port(i, 0);