C++ (Cpp) snd_hda_codec_setup_stream示例

示例#1

static int ad198x_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      snd_pcm_substream_t *substream)
{
	struct ad198x_spec *spec = codec->spec;
	snd_hda_codec_setup_stream(codec, spec->adc_nid, 0, 0, 0);
	return 0;
}

示例#2

文件： patch_via.c 项目： acassis/emlinux-ssd1935

static int via_capture_pcm_cleanup(struct hda_pcm_stream *hinfo,
				   struct hda_codec *codec,
				   struct snd_pcm_substream *substream)
{
	struct via_spec *spec = codec->spec;
	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
				   0, 0, 0);
	return 0;
}

示例#3

/*
 * Analog capture
 */
static int ad198x_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      unsigned int stream_tag,
				      unsigned int format,
				      snd_pcm_substream_t *substream)
{
	struct ad198x_spec *spec = codec->spec;
	snd_hda_codec_setup_stream(codec, spec->adc_nid, stream_tag, 0, format);
	return 0;
}

示例#4

文件： patch_conexant.c 项目： StephenMacras/dsl-n55u-bender

/*
 * Analog capture
 */
static int conexant_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      unsigned int stream_tag,
				      unsigned int format,
				      struct snd_pcm_substream *substream)
{
	struct conexant_spec *spec = codec->spec;
	snd_hda_codec_setup_stream(codec, spec->adc_nids[substream->number],
				   stream_tag, 0, format);
	return 0;
}

示例#5

文件： patch_cirrus.c 项目： LILA-99/linux-2.6

/*
 * Analog capture
 */
static int cs_capture_pcm_prepare(struct hda_pcm_stream *hinfo,
				  struct hda_codec *codec,
				  unsigned int stream_tag,
				  unsigned int format,
				  struct snd_pcm_substream *substream)
{
	struct cs_spec *spec = codec->spec;
	spec->cur_adc = spec->adc_nid[spec->cur_input];
	spec->cur_adc_stream_tag = stream_tag;
	spec->cur_adc_format = format;
	snd_hda_codec_setup_stream(codec, spec->cur_adc, stream_tag, 0, format);
	return 0;
}

示例#6

文件： patch_si3054.c 项目： johnny/CobraDroidBeta

static int si3054_pcm_prepare(struct hda_pcm_stream *hinfo,
			      struct hda_codec *codec,
			      unsigned int stream_tag,
			      unsigned int format,
			      struct snd_pcm_substream *substream)
{
	u16 val;

	SET_REG(codec, SI3054_LINE_RATE, substream->runtime->rate);
	val = GET_REG(codec, SI3054_LINE_LEVEL);
	val &= 0xff << (8 * (substream->stream != SNDRV_PCM_STREAM_PLAYBACK));
	val |= ((stream_tag & 0xf) << 4) << (8 * (substream->stream == SNDRV_PCM_STREAM_PLAYBACK));
	SET_REG(codec, SI3054_LINE_LEVEL, val);

	snd_hda_codec_setup_stream(codec, hinfo->nid,
				   stream_tag, 0, format);
	return 0;
}

示例#7

文件： patch_cirrus.c 项目： 303750856/linux-3.1

static int change_cur_input(struct hda_codec *codec, unsigned int idx,
			    int force)
{
	struct cs_spec *spec = codec->spec;
	
	if (spec->cur_input == idx && !force)
		return 0;
	if (spec->cur_adc && spec->cur_adc != spec->adc_nid[idx]) {
		/* stream is running, let's swap the current ADC */
		__snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
		spec->cur_adc = spec->adc_nid[idx];
		snd_hda_codec_setup_stream(codec, spec->cur_adc,
					   spec->cur_adc_stream_tag, 0,
					   spec->cur_adc_format);
	}
	spec->cur_input = idx;
	cs_update_input_select(codec);
	return 1;
}

示例#8

文件： patch_cirrus.c 项目： LILA-99/linux-2.6

static int change_cur_input(struct hda_codec *codec, unsigned int idx,
			    int force)
{
	struct cs_spec *spec = codec->spec;
	
	if (spec->cur_input == idx && !force)
		return 0;
	if (spec->cur_adc && spec->cur_adc != spec->adc_nid[idx]) {
		/* stream is running, let's swap the current ADC */
		__snd_hda_codec_cleanup_stream(codec, spec->cur_adc, 1);
		spec->cur_adc = spec->adc_nid[idx];
		snd_hda_codec_setup_stream(codec, spec->cur_adc,
					   spec->cur_adc_stream_tag, 0,
					   spec->cur_adc_format);
	}
	snd_hda_codec_write(codec, spec->cur_adc, 0,
			    AC_VERB_SET_CONNECT_SEL,
			    spec->adc_idx[idx]);
	spec->cur_input = idx;
	return 1;
}