Exemple #1
0
static ssize_t show_voltage(struct device *dev,
			    struct device_attribute *attr, char *buf)
{
	struct wm8350 *wm8350 = dev_get_drvdata(dev);
	int channel = to_sensor_dev_attr(attr)->index;
	int val;

	val = wm8350_read_auxadc(wm8350, channel, 0, 0) * WM8350_AUX_COEFF;
	val = DIV_ROUND_CLOSEST(val, 1000);

	return sprintf(buf, "%d\n", val);
}
Exemple #2
0
static int wm8350_read_line_uvolts(struct wm8350 *wm8350)
{
	return wm8350_read_auxadc(wm8350, WM8350_AUXADC_LINE, 0, 0)
		* WM8350_AUX_COEFF;
}
Exemple #3
0
static int wm8350_read_usb_uvolts(struct wm8350 *wm8350)
{
	return wm8350_read_auxadc(wm8350, WM8350_AUXADC_USB, 0, 0)
		* WM8350_AUX_COEFF;
}
Exemple #4
0
static int wm8350_read_battery_uvolts(struct wm8350 *wm8350)
{
	return wm8350_read_auxadc(wm8350, WM8350_AUXADC_BATT, 0, 0)
		* WM8350_AUX_COEFF;
}