Exemplos de snd_mask_min em C++ (Cpp)

Exemplo n.º 1

Arquivo: omap4_panda_aic31xx.c Projeto: Loki154/Android-kernel-for-kindle-fire

static int mcbsp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params)
{
	struct snd_interval *channels = hw_param_interval(params,
                                       SNDRV_PCM_HW_PARAM_CHANNELS);
	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
	unsigned int be_id;
	unsigned int threshold;
	unsigned int val, min_mask;
	DBG ("%s: Entered \n", __func__);
	//DBG ("%s: CPU DAI %s BE_ID %d\n", __func__, cpu_dai->name, rtd->dai_link->be_id);

	be_id = rtd->dai_link->be_id;

	switch (be_id) {
	case OMAP_ABE_DAI_MM_FM:
		channels->min = 2;
		threshold = 2;
                val = SNDRV_PCM_FORMAT_S16_LE;
		break;
	case OMAP_ABE_DAI_BT_VX:
		channels->min = 1;
		threshold = 1;
                val = SNDRV_PCM_FORMAT_S16_LE;
		break;
	default:
		threshold = 1;
                val = SNDRV_PCM_FORMAT_S16_LE;
		break;
	}
        
        min_mask = snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -     
                                               SNDRV_PCM_HW_PARAM_FIRST_MASK]);

	//DBG ("%s: Returned min_mask 0x%x Format %x\n", __func__, min_mask, val);

        snd_mask_reset(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT - 
                                      SNDRV_PCM_HW_PARAM_FIRST_MASK],
			              min_mask);

	//DBG ("%s: Returned min_mask 0x%x Format %x\n", __func__, min_mask, val);

        snd_mask_set(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
                                    SNDRV_PCM_HW_PARAM_FIRST_MASK], val);	

	omap_mcbsp_set_tx_threshold(cpu_dai->id, threshold);
	omap_mcbsp_set_rx_threshold(cpu_dai->id, threshold);
	
	DBG ("%s: Exiting \n", __func__);
	return 0;
}

Exemplo n.º 2

Arquivo: ksound-core.c Projeto: Audioniek/Fortis-4G

/**
 * snd_pcm_hw_param_value_min
 * @params: the hw_params instance
 * @var: parameter to retrieve
 * @dir: pointer to the direction (-1,0,1) or NULL
 *
 * Return the minimum value for field PAR.
 */
static unsigned int
snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params, snd_pcm_hw_param_t var, int *dir)
{
	if (hw_is_mask(var))
	{
		if (dir)
			*dir = 0;
		return snd_mask_min(hw_param_mask_c(params, var));
	}
	if (hw_is_interval(var))
	{
		const struct snd_interval *i = hw_param_interval_c(params, var);
		if (dir)
			*dir = i->openmin;
		return snd_interval_min(i);
	}
	return -EINVAL;
}

Exemplo n.º 3

Arquivo: motsnd.c Projeto: mgross029/android_kernel

static int mcbsp_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params)
{
	struct snd_interval *channels = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);
	unsigned int val, min_mask;


	val = SNDRV_PCM_FORMAT_S16_LE;

	min_mask = snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
				SNDRV_PCM_HW_PARAM_FIRST_MASK]);
	snd_mask_reset(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
			SNDRV_PCM_HW_PARAM_FIRST_MASK],
			min_mask);
	snd_mask_set(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT -
				    SNDRV_PCM_HW_PARAM_FIRST_MASK],
		     val);
	return 0;
}