/*
* load patch
*/
static int
snd_emux_load_patch_seq_oss(struct snd_seq_oss_arg *arg, int format,
const char __user *buf, int offs, int count)
{
struct snd_emux *emu;
struct snd_emux_port *p;
int rc;
if (snd_BUG_ON(!arg))
return -ENXIO;
p = arg->private_data;
if (snd_BUG_ON(!p))
return -ENXIO;
emu = p->emu;
if (snd_BUG_ON(!emu))
return -ENXIO;
if (format == GUS_PATCH)
rc = snd_soundfont_load_guspatch(emu->sflist, buf, count,
SF_CLIENT_NO(p->chset.port));
else if (format == SNDRV_OSS_SOUNDFONT_PATCH) {
struct soundfont_patch_info patch;
if (count < (int)sizeof(patch))
rc = -EINVAL;
if (copy_from_user(&patch, buf, sizeof(patch)))
rc = -EFAULT;
if (patch.type >= SNDRV_SFNT_LOAD_INFO &&
patch.type <= SNDRV_SFNT_PROBE_DATA)
rc = snd_soundfont_load(emu->sflist, buf, count, SF_CLIENT_NO(p->chset.port));
else {
if (emu->ops.load_fx)
rc = emu->ops.load_fx(emu, patch.type, patch.optarg, buf, count);
else
rc = -EINVAL;
}
} else
rc = 0;
return rc;
}
/*
* load patch
*/
static int
snd_emux_hwdep_load_patch(struct snd_emux *emu, void __user *arg)
{
int err;
struct soundfont_patch_info patch;
if (copy_from_user(&patch, arg, sizeof(patch)))
return -EFAULT;
if (patch.type >= SNDRV_SFNT_LOAD_INFO &&
patch.type <= SNDRV_SFNT_PROBE_DATA) {
err = snd_soundfont_load(emu->sflist, arg, patch.len + sizeof(patch), TMP_CLIENT_ID);
if (err < 0)
return err;
} else {
if (emu->ops.load_fx)
return emu->ops.load_fx(emu, patch.type, patch.optarg, arg, patch.len + sizeof(patch));
else
return -EINVAL;
}
return 0;
}
