C++ (Cpp) snd_p16v_intr_disable Examples

Example #1

File: p16v.c Project: AshishNamdev/linux

/* trigger_capture callback */
static int snd_p16v_pcm_trigger_capture(struct snd_pcm_substream *substream,
                                   int cmd)
{
	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime = substream->runtime;
	struct snd_emu10k1_pcm *epcm = runtime->private_data;
	int channel = 0;
	int result = 0;
	u32 inte = INTE2_CAPTURE_CH_0_LOOP | INTE2_CAPTURE_CH_0_HALF_LOOP;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		snd_p16v_intr_enable(emu, inte);
		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)|(0x100<<channel));
		epcm->running = 1;
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(0x100<<channel));
		snd_p16v_intr_disable(emu, inte);
		//snd_emu10k1_ptr20_write(emu, EXTENDED_INT_MASK, 0, snd_emu10k1_ptr20_read(emu, EXTENDED_INT_MASK, 0) & ~(0x110000<<channel));
		epcm->running = 0;
		break;
	default:
		result = -EINVAL;
		break;
	}
	return result;
}

Example #2

File: p16v.c Project: ReneNyffenegger/linux

/* trigger_playback callback */
static int snd_p16v_pcm_trigger_playback(struct snd_pcm_substream *substream,
				    int cmd)
{
	struct snd_emu10k1 *emu = snd_pcm_substream_chip(substream);
	struct snd_pcm_runtime *runtime;
	struct snd_emu10k1_pcm *epcm;
	int channel;
	int result = 0;
        struct snd_pcm_substream *s;
	u32 basic = 0;
	u32 inte = 0;
	int running = 0;

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		running=1;
		break;
	case SNDRV_PCM_TRIGGER_STOP:
	default:
		running = 0;
		break;
	}
        snd_pcm_group_for_each_entry(s, substream) {
		if (snd_pcm_substream_chip(s) != emu ||
		    s->stream != SNDRV_PCM_STREAM_PLAYBACK)
			continue;
		runtime = s->runtime;
		epcm = runtime->private_data;
		channel = substream->pcm->device-emu->p16v_device_offset;
		/* dev_dbg(emu->card->dev, "p16v channel=%d\n", channel); */
		epcm->running = running;
		basic |= (0x1<<channel);
		inte |= (INTE2_PLAYBACK_CH_0_LOOP<<channel);
                snd_pcm_trigger_done(s, substream);
        }
	/* dev_dbg(emu->card->dev, "basic=0x%x, inte=0x%x\n", basic, inte); */

	switch (cmd) {
	case SNDRV_PCM_TRIGGER_START:
		snd_p16v_intr_enable(emu, inte);
		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0)| (basic));
		break;
	case SNDRV_PCM_TRIGGER_STOP:
		snd_emu10k1_ptr20_write(emu, BASIC_INTERRUPT, 0, snd_emu10k1_ptr20_read(emu, BASIC_INTERRUPT, 0) & ~(basic));
		snd_p16v_intr_disable(emu, inte);
		break;
	default:
		result = -EINVAL;
		break;
	}
	return result;
}