/* called by: speakup_init() */
int synth_init(char *synth_name)
{
int i;
int ret = 0;
struct spk_synth *synth = NULL;
if (synth_name == NULL)
return 0;
if (strcmp(synth_name, "none") == 0) {
mutex_lock(&spk_mutex);
synth_release();
mutex_unlock(&spk_mutex);
return 0;
}
mutex_lock(&spk_mutex);
/* First, check if we already have it loaded. */
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
if (strcmp(synths[i]->name, synth_name) == 0)
synth = synths[i];
/* If we got one, initialize it now. */
if (synth)
ret = do_synth_init(synth);
else
ret = -ENODEV;
mutex_unlock(&spk_mutex);
return ret;
}
int synth_init(char *synth_name)
{
int i;
int ret = 0;
struct spk_synth *synth = NULL;
if (synth_name == NULL)
return 0;
if (strcmp(synth_name, "none") == 0) {
mutex_lock(&spk_mutex);
synth_release();
mutex_unlock(&spk_mutex);
return 0;
}
mutex_lock(&spk_mutex);
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
if (strcmp(synths[i]->name, synth_name) == 0)
synth = synths[i];
if (synth)
ret = do_synth_init(synth);
else
ret = -ENODEV;
mutex_unlock(&spk_mutex);
return ret;
}
/* called by: all_driver_init() */
int synth_add(struct spk_synth *in_synth)
{
int i;
int status = 0;
mutex_lock(&spk_mutex);
for (i = 0; synths[i] != NULL && i < MAXSYNTHS; i++)
/* synth_remove() is responsible for rotating the array down */
if (in_synth == synths[i]) {
mutex_unlock(&spk_mutex);
return 0;
}
if (i == MAXSYNTHS) {
pr_warn("Error: attempting to add a synth past end of array\n");
mutex_unlock(&spk_mutex);
return -1;
}
synths[i++] = in_synth;
synths[i] = NULL;
if (in_synth->startup)
status = do_synth_init(in_synth);
mutex_unlock(&spk_mutex);
return status;
}
