forked from Minki/linux
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>
This commit is contained in:
Andy Walls
Mauro Carvalho Chehab
parent
9722c8f95a
commit
f9b071c77a
115
drivers/media/video/cx18/cx18-alsa-pcm.c
Normal file
115
drivers/media/video/cx18/cx18-alsa-pcm.c
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/*
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* ALSA PCM device for the
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* ALSA interface to cx18 PCM capture streams
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*
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* Copyright (C) 2009 Andy Walls <awalls@radix.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <media/v4l2-device.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include "cx18-driver.h"
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#include "cx18-alsa.h"
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static int snd_cx18_pcm_capture_open(struct snd_pcm_substream *substream)
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{
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struct snd_cx18_card *cxsc = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct v4l2_device *v4l2_dev = cxsc->v4l2_dev;
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struct snd_card *sc = cxsc->sc;
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struct cx18 *cx = to_cx18(v4l2_dev);
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return 0;
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}
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static int snd_cx18_pcm_capture_close(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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static int snd_cx18_pcm_ioctl(struct snd_pcm_substream *substream,
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unsigned int cmd, void *arg)
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{
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return snd_pcm_lib_ioctl(substream, cmd, arg);
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}
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static int snd_cx18_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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return 0;
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}
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static int snd_cx18_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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static int snd_cx18_pcm_prepare(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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static int snd_cx18_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
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{
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return 0;
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}
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static
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snd_pcm_uframes_t snd_cx18_pcm_pointer(struct snd_pcm_substream *substream)
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{
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return 0;
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}
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static struct snd_pcm_ops snd_cx18_pcm_capture_ops = {
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.open = snd_cx18_pcm_capture_open,
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.close = snd_cx18_pcm_capture_close,
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.ioctl = snd_cx18_pcm_ioctl,
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.hw_params = snd_cx18_pcm_hw_params,
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.hw_free = snd_cx18_pcm_hw_free,
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.prepare = snd_cx18_pcm_prepare,
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.trigger = snd_cx18_pcm_trigger,
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.pointer = snd_cx18_pcm_pointer,
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};
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int __init snd_cx18_pcm_create(struct snd_cx18_card *cxsc)
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{
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struct snd_pcm *sp;
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struct snd_card *sc = cxsc->sc;
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struct v4l2_device *v4l2_dev = cxsc->v4l2_dev;
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struct cx18 *cx = to_cx18(v4l2_dev);
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int ret;
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ret = snd_pcm_new(sc, "CX23418 PCM",
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0, /* PCM device 0, the only one for this card */
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0, /* 0 playback substreams */
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1, /* 1 capture substream */
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&sp);
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if (ret) {
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CX18_ALSA_ERR("%s: snd_cx18_pcm_create() failed with err %d\n",
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__func__, ret);
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goto err_exit;
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}
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return 0;
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err_exit:
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return ret;
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}
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23
drivers/media/video/cx18/cx18-alsa-pcm.h
Normal file
23
drivers/media/video/cx18/cx18-alsa-pcm.h
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@ -0,0 +1,23 @@
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/*
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* ALSA PCM device for the
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* ALSA interface to cx18 PCM capture streams
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*
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* Copyright (C) 2009 Andy Walls <awalls@radix.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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|
* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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* 02111-1307 USA
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*/
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int __init snd_cx18_pcm_create(struct snd_cx18_card *cxsc);
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