-/*
- * Copyright (C) 1998-2013 Andre Noll <maan@systemlinux.org>
- *
- * Licensed under the GPL v2. For licencing details see COPYING.
- */
+/* Copyright (C) 1998 Andre Noll <maan@tuebingen.mpg.de>, see file COPYING. */
/** \file oss_mix.c The OSS mixer plugin. */
dev = "/dev/mixer";
PARA_INFO_LOG("opening %s\n", dev);
ret = para_open(dev, O_RDWR, 42);
- if (ret < 0)
+ if (ret < 0) {
+ PARA_ERROR_LOG("could not open %s\n", dev);
return ret;
+ }
h = para_malloc(sizeof(*h));
h->fd = ret;
*handle = h;
handle->id = i;
return 1;
}
- return -E_OSS_MIXER_CHANNEL;
+ return -E_BAD_CHANNEL;
}
static int oss_mix_get(struct mixer_handle *handle)
*handle = NULL;
}
-/**
- * The init function of the OSS mixer.
- *
- * \param self The structure to initialize.
- *
- * \sa struct \ref mixer, \ref alsa_mix_init().
- */
-void oss_mix_init(struct mixer *self)
-{
- self->open = oss_mix_open;
- self->get_channels = oss_mix_get_channels;
- self->set_channel = oss_mix_set_channel;
- self->get = oss_mix_get;
- self->set = oss_mix_set;
- self->close = oss_mix_close;
-}
+/** The mixer operations for the OSS mixer. */
+const struct mixer oss_mixer = {
+ .name = "oss",
+ .open = oss_mix_open,
+ .get_channels = oss_mix_get_channels,
+ .set_channel = oss_mix_set_channel,
+ .close = oss_mix_close,
+ .get = oss_mix_get,
+ .set = oss_mix_set
+};