From eb02755a50f8f3508030b311e3788426fbdc23b7 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Thu, 28 Oct 2010 20:31:49 +0200 Subject: [PATCH] hwmon: (w83795) More style cleanups Cleanups suggested by Guenter Roeck, falling into 4 categories: * Swapping test orders, because if (var == CONSTANT) is much easier to read than if (CONSTANT == var). * Simplifying comparisons with 0. * Dropping unneeded masks. * Dropping unneeded parentheses and curly braces. Signed-off-by: Jean Delvare Acked-by: Guenter Roeck --- drivers/hwmon/w83795.c | 28 +++++++++++++--------------- 1 file changed, 13 insertions(+), 15 deletions(-) diff --git a/drivers/hwmon/w83795.c b/drivers/hwmon/w83795.c index 9d73768..ce1e71b 100644 --- a/drivers/hwmon/w83795.c +++ b/drivers/hwmon/w83795.c @@ -491,7 +491,7 @@ static void w83795_update_limits(struct i2c_client *client) } /* Read the DTS limits */ - if (data->enable_dts != 0) { + if (data->enable_dts) { for (limit = DTS_CRIT; limit <= DTS_WARN_HYST; limit++) data->dts_ext[limit] = w83795_read(client, W83795_REG_DTS_EXT(limit)); @@ -544,7 +544,7 @@ static struct w83795_data *w83795_update_pwm_config(struct device *dev) data->pwm_temp[i][TEMP_PWM_CTFS] = w83795_read(client, W83795_REG_CTFS(i)); tmp = w83795_read(client, W83795_REG_HT(i)); - data->pwm_temp[i][TEMP_PWM_HCT] = (tmp >> 4) & 0x0f; + data->pwm_temp[i][TEMP_PWM_HCT] = tmp >> 4; data->pwm_temp[i][TEMP_PWM_HOT] = tmp & 0x0f; } @@ -618,8 +618,7 @@ static struct w83795_data *w83795_update_device(struct device *dev) if (!(data->has_fan & (1 << i))) continue; data->fan[i] = w83795_read(client, W83795_REG_FAN(i)) << 4; - data->fan[i] |= - (w83795_read(client, W83795_REG_VRLSB) >> 4) & 0x0F; + data->fan[i] |= w83795_read(client, W83795_REG_VRLSB) >> 4; } /* Update temperature */ @@ -631,7 +630,7 @@ static struct w83795_data *w83795_update_device(struct device *dev) } /* Update dts temperature */ - if (data->enable_dts != 0) { + if (data->enable_dts) { for (i = 0; i < ARRAY_SIZE(data->dts); i++) { if (!(data->has_dts & (1 << i))) continue; @@ -677,11 +676,10 @@ show_alarm_beep(struct device *dev, struct device_attribute *attr, char *buf) int bit = sensor_attr->index & 0x07; u8 val; - if (ALARM_STATUS == nr) { - val = (data->alarms[index] >> (bit)) & 1; - } else { /* BEEP_ENABLE */ - val = (data->beeps[index] >> (bit)) & 1; - } + if (nr == ALARM_STATUS) + val = (data->alarms[index] >> bit) & 1; + else /* BEEP_ENABLE */ + val = (data->beeps[index] >> bit) & 1; return sprintf(buf, "%u\n", val); } @@ -744,7 +742,7 @@ show_fan(struct device *dev, struct device_attribute *attr, char *buf) struct w83795_data *data = w83795_update_device(dev); u16 val; - if (FAN_INPUT == nr) + if (nr == FAN_INPUT) val = data->fan[index] & 0x0fff; else val = data->fan_min[index] & 0x0fff; @@ -1011,7 +1009,7 @@ store_temp_pwm_enable(struct device *dev, struct device_attribute *attr, switch (nr) { case TEMP_PWM_ENABLE: - if ((tmp != 3) && (tmp != 4)) + if (tmp != 3 && tmp != 4) return -EINVAL; tmp -= 3; mutex_lock(&data->update_lock); @@ -1074,7 +1072,7 @@ store_fanin(struct device *dev, struct device_attribute *attr, switch (nr) { case FANIN_TARGET: val = fan_to_reg(SENSORS_LIMIT(val, 0, 0xfff)); - w83795_write(client, W83795_REG_FTSH(index), (val >> 4) & 0xff); + w83795_write(client, W83795_REG_FTSH(index), val >> 4); w83795_write(client, W83795_REG_FTSL(index), (val << 4) & 0xf0); data->target_speed[index] = val; break; @@ -1234,7 +1232,7 @@ show_temp(struct device *dev, struct device_attribute *attr, char *buf) struct w83795_data *data = w83795_update_device(dev); long temp = temp_from_reg(data->temp[index][nr]); - if (TEMP_READ == nr) + if (nr == TEMP_READ) temp += (data->temp_read_vrlsb[index] >> 6) * 250; return sprintf(buf, "%ld\n", temp); } @@ -1891,7 +1889,7 @@ static int w83795_handle_files(struct device *dev, int (*fn)(struct device *, } } - if (data->enable_dts != 0) { + if (data->enable_dts) { for (i = 0; i < ARRAY_SIZE(w83795_dts); i++) { if (!(data->has_dts & (1 << i))) continue; -- 2.7.4