*
*/
-#include <sound/driver.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/moduleparam.h>
option snd-seq-dummy ports=4
- The modle option "duplex=1" enables duplex operation to the port.
+ The model option "duplex=1" enables duplex operation to the port.
In duplex mode, a pair of ports are created instead of single port,
and events are tunneled between pair-ports. For example, input to
port A is sent to output port of another port B and vice versa.
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");
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)
{
- struct snd_seq_client_callback cb;
- struct snd_seq_client_info cinfo;
struct snd_seq_dummy_port *rec1, *rec2;
int i;
}
/* 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);