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Commit 2fbbbf14 authored by Jean Delvare's avatar Jean Delvare Committed by Jean Delvare
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hwmon: (w83781d) Refactor beep enable handling 



We can handle the beep enable bit as any other beep mask bit for
slightly smaller code.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Cc: Wolfgang Grandegger <wg@grandegger.com>
parent 6aa693b8

drivers/hwmon/w83781d.c

+9 −37
Original line number Diff line number Diff line
@@ -178,9 +178,9 @@ FAN_FROM_REG(u8 val, int div) 
#define TEMP_FROM_REG(val)		((val) * 1000)



#define BEEP_MASK_FROM_REG(val,type)	((type) == as99127f ? \

					 (val) ^ 0x7fff : (val))

					 (~(val)) & 0x7fff : (val) & 0xff7fff)

#define BEEP_MASK_TO_REG(val,type)	((type) == as99127f ? \

					 (~(val)) & 0x7fff : (val) & 0xffffff)

					 (~(val)) & 0x7fff : (val) & 0xff7fff)



#define DIV_FROM_REG(val)		(1 << (val))
@@ -240,7 +240,6 @@ struct w83781d_data { 
	u8 vid;			/* Register encoding, combined */

	u32 alarms;		/* Register encoding, combined */

	u32 beep_mask;		/* Register encoding, combined */

	u8 beep_enable;		/* Boolean */

	u8 pwm[4];		/* Register value */

	u8 pwm2_enable;		/* Boolean */

	u16 sens[3];		/* 782D/783S only.
@@ -513,11 +512,6 @@ static ssize_t show_beep_mask (struct device *dev, struct device_attribute *attr 
	return sprintf(buf, "%ld\n",

		       (long)BEEP_MASK_FROM_REG(data->beep_mask, data->type));

}

static ssize_t show_beep_enable (struct device *dev, struct device_attribute *attr, char *buf)

{

	struct w83781d_data *data = w83781d_update_device(dev);

	return sprintf(buf, "%ld\n", (long)data->beep_enable);

}



static ssize_t

store_beep_mask(struct device *dev, struct device_attribute *attr,
@@ -529,12 +523,12 @@ store_beep_mask(struct device *dev, struct device_attribute *attr, 
	val = simple_strtoul(buf, NULL, 10);



	mutex_lock(&data->update_lock);

	data->beep_mask = BEEP_MASK_TO_REG(val, data->type);

	data->beep_mask &= 0x8000; /* preserve beep enable */

	data->beep_mask |= BEEP_MASK_TO_REG(val, data->type);

	w83781d_write_value(data, W83781D_REG_BEEP_INTS1,

			    data->beep_mask & 0xff);

	w83781d_write_value(data, W83781D_REG_BEEP_INTS2,

			    ((data->beep_mask >> 8) & 0x7f)

			    | data->beep_enable << 7);

			    (data->beep_mask >> 8) & 0xff);

	if (data->type != w83781d && data->type != as99127f) {

		w83781d_write_value(data, W83781D_REG_BEEP_INTS3,

				    ((data->beep_mask) >> 16) & 0xff);
@@ -544,31 +538,8 @@ store_beep_mask(struct device *dev, struct device_attribute *attr, 
	return count;

}



static ssize_t

store_beep_enable(struct device *dev, struct device_attribute *attr,

		const char *buf, size_t count)

{

	struct w83781d_data *data = dev_get_drvdata(dev);

	u32 val;



	val = simple_strtoul(buf, NULL, 10);

	if (val != 0 && val != 1)

		return -EINVAL;



	mutex_lock(&data->update_lock);

	data->beep_enable = val;

	val = w83781d_read_value(data, W83781D_REG_BEEP_INTS2) & 0x7f;

	val |= data->beep_enable << 7;

	w83781d_write_value(data, W83781D_REG_BEEP_INTS2, val);

	mutex_unlock(&data->update_lock);



	return count;

}



static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR,

		show_beep_mask, store_beep_mask);

static DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,

		show_beep_enable, store_beep_enable);



static ssize_t show_beep(struct device *dev, struct device_attribute *attr,

		char *buf)
@@ -663,6 +634,8 @@ static SENSOR_DEVICE_ATTR(temp2_beep, S_IRUGO | S_IWUSR, 
			show_beep, store_beep, 5);

static SENSOR_DEVICE_ATTR(temp3_beep, S_IRUGO,

			show_temp3_beep, store_beep, 13);

static SENSOR_DEVICE_ATTR(beep_enable, S_IRUGO | S_IWUSR,

			show_beep, store_beep, 15);



static ssize_t

show_fan_div(struct device *dev, struct device_attribute *da, char *buf)
@@ -1029,7 +1002,7 @@ static struct attribute* w83781d_attributes[] = { 
	&dev_attr_vrm.attr,

	&dev_attr_alarms.attr,

	&dev_attr_beep_mask.attr,

	&dev_attr_beep_enable.attr,

	&sensor_dev_attr_beep_enable.dev_attr.attr,

	NULL

};

static const struct attribute_group w83781d_group = {
@@ -1775,8 +1748,7 @@ static struct w83781d_data *w83781d_update_device(struct device *dev) 
						W83781D_REG_ALARM2) << 8);

		}

		i = w83781d_read_value(data, W83781D_REG_BEEP_INTS2);

		data->beep_enable = i >> 7;

		data->beep_mask = ((i & 0x7f) << 8) +

		data->beep_mask = (i << 8) +

		    w83781d_read_value(data, W83781D_REG_BEEP_INTS1);

		if ((data->type != w83781d) && (data->type != as99127f)) {

			data->beep_mask |=