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authorAndy Walls <awalls@radix.net>2009-06-24 07:26:45 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-02-26 15:10:42 -0300
commitf9b071c77ad3b97fce3d598d2d417c097369ccaf (patch)
tree562d66e3553aed148cafea26dff698c03a40d7d1 /drivers/media/video/cx18
parent9722c8f95a5bd51a3d392cb2f125c8240b745c48 (diff)
V4L/DVB: cx18-alsa: Add non-working cx18-alsa-pcm.[ch] files to avoid data loss
Signed-off-by: Andy Walls <awalls@radix.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18')
-rw-r--r--drivers/media/video/cx18/cx18-alsa-pcm.c115
-rw-r--r--drivers/media/video/cx18/cx18-alsa-pcm.h23
2 files changed, 138 insertions, 0 deletions
diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.c b/drivers/media/video/cx18/cx18-alsa-pcm.c
new file mode 100644
index 00000000000..e3157cec5ac
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-alsa-pcm.c
@@ -0,0 +1,115 @@
+/*
+ * ALSA PCM device for the
+ * ALSA interface to cx18 PCM capture streams
+ *
+ * Copyright (C) 2009 Andy Walls <awalls@radix.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+
+#include <media/v4l2-device.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+
+#include "cx18-driver.h"
+#include "cx18-alsa.h"
+
+static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)
+{
+ struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct v4l2_device *v4l2_dev = cxsc->v4l2_dev;
+ struct snd_card *sc = cxsc->sc;
+ struct cx18 *cx = to_cx18(v4l2_dev);
+ return 0;
+}
+
+static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,
+ unsigned int cmd, void *arg)
+{
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+}
+
+static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ return 0;
+}
+
+static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int snd_cx18_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static int snd_cx18_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ return 0;
+}
+
+static
+snd_pcm_uframes_t snd_cx18_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ return 0;
+}
+
+static struct snd_pcm_ops snd_cx18_pcm_capture_ops = {
+ .open = snd_cx18_pcm_capture_open,
+ .close = snd_cx18_pcm_capture_close,
+ .ioctl = snd_cx18_pcm_ioctl,
+ .hw_params = snd_cx18_pcm_hw_params,
+ .hw_free = snd_cx18_pcm_hw_free,
+ .prepare = snd_cx18_pcm_prepare,
+ .trigger = snd_cx18_pcm_trigger,
+ .pointer = snd_cx18_pcm_pointer,
+};
+
+int __init snd_cx18_pcm_create(struct snd_cx18_card *cxsc)
+{
+ struct snd_pcm *sp;
+ struct snd_card *sc = cxsc->sc;
+ struct v4l2_device *v4l2_dev = cxsc->v4l2_dev;
+ struct cx18 *cx = to_cx18(v4l2_dev);
+ int ret;
+
+ ret = snd_pcm_new(sc, "CX23418 PCM",
+ 0, /* PCM device 0, the only one for this card */
+ 0, /* 0 playback substreams */
+ 1, /* 1 capture substream */
+ &sp);
+ if (ret) {
+ CX18_ALSA_ERR("%s: snd_cx18_pcm_create() failed with err %d\n",
+ __func__, ret);
+ goto err_exit;
+ }
+ return 0;
+
+err_exit:
+ return ret;
+}
diff --git a/drivers/media/video/cx18/cx18-alsa-pcm.h b/drivers/media/video/cx18/cx18-alsa-pcm.h
new file mode 100644
index 00000000000..ff47a1ebe80
--- /dev/null
+++ b/drivers/media/video/cx18/cx18-alsa-pcm.h
@@ -0,0 +1,23 @@
+/*
+ * ALSA PCM device for the
+ * ALSA interface to cx18 PCM capture streams
+ *
+ * Copyright (C) 2009 Andy Walls <awalls@radix.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ * 02111-1307 USA
+ */
+
+int __init snd_cx18_pcm_create(struct snd_cx18_card *cxsc);