C++ (Cpp) dsp_set_digital_mode Exemples

Exemple #1

/* S/PDIF coax / S/PDIF optical / ADAT - switch */
static int set_digital_mode(struct echoaudio *chip, u8 mode)
{
	u8 previous_mode;
	int err, i, o;

	if (chip->bad_board)
		return -EIO;

	/* All audio channels must be closed before changing the digital mode */
	if (snd_BUG_ON(chip->pipe_alloc_mask))
		return -EAGAIN;

	if (snd_BUG_ON(!(chip->digital_modes & (1 << mode))))
		return -EINVAL;

	previous_mode = chip->digital_mode;
	err = dsp_set_digital_mode(chip, mode);

	/* If we successfully changed the digital mode from or to ADAT,
	   then make sure all output, input and monitor levels are
	   updated by the DSP comm object. */
	if (err >= 0 && previous_mode != mode &&
	    (previous_mode == DIGITAL_MODE_ADAT || mode == DIGITAL_MODE_ADAT)) {
		spin_lock_irq(&chip->lock);
		for (o = 0; o < num_busses_out(chip); o++)
			for (i = 0; i < num_busses_in(chip); i++)
				set_monitor_gain(chip, o, i,
						 chip->monitor_gain[o][i]);

#ifdef ECHOCARD_HAS_INPUT_GAIN
		for (i = 0; i < num_busses_in(chip); i++)
			set_input_gain(chip, i, chip->input_gain[i]);
		update_input_line_level(chip);
#endif

		for (o = 0; o < num_busses_out(chip); o++)
			set_output_gain(chip, o, chip->output_gain[o]);
		update_output_line_level(chip);
		spin_unlock_irq(&chip->lock);
	}

	return err;
}

Exemple #2

Fichier : echoaudio_gml.c Projet : MiniBlu/cm11_kernel_htc_msm8974a3ul

static int set_digital_mode(struct echoaudio *chip, u8 mode)
{
	u8 previous_mode;
	int err, i, o;

	if (chip->bad_board)
		return -EIO;

	
	if (snd_BUG_ON(chip->pipe_alloc_mask))
		return -EAGAIN;

	if (snd_BUG_ON(!(chip->digital_modes & (1 << mode))))
		return -EINVAL;

	previous_mode = chip->digital_mode;
	err = dsp_set_digital_mode(chip, mode);

	if (err >= 0 && previous_mode != mode &&
	    (previous_mode == DIGITAL_MODE_ADAT || mode == DIGITAL_MODE_ADAT)) {
		spin_lock_irq(&chip->lock);
		for (o = 0; o < num_busses_out(chip); o++)
			for (i = 0; i < num_busses_in(chip); i++)
				set_monitor_gain(chip, o, i,
						 chip->monitor_gain[o][i]);

#ifdef ECHOCARD_HAS_INPUT_GAIN
		for (i = 0; i < num_busses_in(chip); i++)
			set_input_gain(chip, i, chip->input_gain[i]);
		update_input_line_level(chip);
#endif

		for (o = 0; o < num_busses_out(chip); o++)
			set_output_gain(chip, o, chip->output_gain[o]);
		update_output_line_level(chip);
		spin_unlock_irq(&chip->lock);
	}

	return err;
}