static void wm8785_registers_init(struct oxygen *chip) { struct generic_data *data = chip->model_data; wm8785_write(chip, WM8785_R7, 0); wm8785_write(chip, WM8785_R0, data->saved_wm8785_registers[0]); wm8785_write(chip, WM8785_R1, data->saved_wm8785_registers[1]); }
static void wm8785_init(struct oxygen *chip) { wm8785_write(chip, WM8785_R7, 0); wm8785_write(chip, WM8785_R0, WM8785_MCR_SLAVE | WM8785_OSR_SINGLE | WM8785_FORMAT_LJUST); wm8785_write(chip, WM8785_R1, WM8785_WL_24); snd_component_add(chip->card, "WM8785"); }
static void set_wm8785_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { struct generic_data *data = chip->model_data; unsigned int value; value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST; if (params_rate(params) <= 48000) value |= WM8785_OSR_SINGLE; else if (params_rate(params) <= 96000) value |= WM8785_OSR_DOUBLE; else value |= WM8785_OSR_QUAD; if (value != data->wm8785_regs[0]) { wm8785_write(chip, WM8785_R7, 0); wm8785_write(chip, WM8785_R0, value); wm8785_write(chip, WM8785_R2, data->wm8785_regs[2]); } }
static void set_wm8785_params(struct oxygen *chip, struct snd_pcm_hw_params *params) { unsigned int value; wm8785_write(chip, WM8785_R7, 0); value = WM8785_MCR_SLAVE | WM8785_FORMAT_LJUST; if (params_rate(params) <= 48000) value |= WM8785_OSR_SINGLE; else if (params_rate(params) <= 96000) value |= WM8785_OSR_DOUBLE; else value |= WM8785_OSR_QUAD; wm8785_write(chip, WM8785_R0, value); if (snd_pcm_format_width(params_format(params)) <= 16) value = WM8785_WL_16; else value = WM8785_WL_24; wm8785_write(chip, WM8785_R1, value); }
static int hpf_put(struct snd_kcontrol *ctl, struct snd_ctl_elem_value *value) { struct oxygen *chip = ctl->private_data; struct generic_data *data = chip->model_data; unsigned int reg; int changed; mutex_lock(&chip->mutex); reg = data->wm8785_regs[WM8785_R2] & ~(WM8785_HPFR | WM8785_HPFL); if (value->value.enumerated.item[0]) reg |= WM8785_HPFR | WM8785_HPFL; changed = reg != data->wm8785_regs[WM8785_R2]; if (changed) wm8785_write(chip, WM8785_R2, reg); mutex_unlock(&chip->mutex); return changed; }