diff options
author | Yani Ioannou <yani.ioannou@gmail.com> | 2005-05-17 06:41:12 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-06-20 15:15:32 -0700 |
commit | 74880c063b06efd103c924abfe19d9d8fa4864c4 (patch) | |
tree | 7d0995426cec1f3577a5f8e5f61ada43a0df9813 /drivers/i2c | |
parent | ff381d2223a30ee70752791fd9c3588d8f1cab77 (diff) | |
download | op-kernel-dev-74880c063b06efd103c924abfe19d9d8fa4864c4.zip op-kernel-dev-74880c063b06efd103c924abfe19d9d8fa4864c4.tar.gz |
[PATCH] Driver Core: drivers/base - drivers/i2c/chips/adm1026.c: update device attribute callbacks
Signed-off-by: Yani Ioannou <yani.ioannou@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r-- | drivers/i2c/chips/adm1021.c | 6 | ||||
-rw-r--r-- | drivers/i2c/chips/adm1025.c | 28 | ||||
-rw-r--r-- | drivers/i2c/chips/adm1026.c | 98 |
3 files changed, 66 insertions, 66 deletions
diff --git a/drivers/i2c/chips/adm1021.c b/drivers/i2c/chips/adm1021.c index 9c59a37..9058c39 100644 --- a/drivers/i2c/chips/adm1021.c +++ b/drivers/i2c/chips/adm1021.c @@ -137,7 +137,7 @@ static struct i2c_driver adm1021_driver = { }; #define show(value) \ -static ssize_t show_##value(struct device *dev, char *buf) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1021_data *data = adm1021_update_device(dev); \ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->value)); \ @@ -150,7 +150,7 @@ show(remote_temp_hyst); show(remote_temp_input); #define show2(value) \ -static ssize_t show_##value(struct device *dev, char *buf) \ +static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1021_data *data = adm1021_update_device(dev); \ return sprintf(buf, "%d\n", data->value); \ @@ -159,7 +159,7 @@ show2(alarms); show2(die_code); #define set(value, reg) \ -static ssize_t set_##value(struct device *dev, const char *buf, size_t count) \ +static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \ { \ struct i2c_client *client = to_i2c_client(dev); \ struct adm1021_data *data = i2c_get_clientdata(client); \ diff --git a/drivers/i2c/chips/adm1025.c b/drivers/i2c/chips/adm1025.c index e0771a3..111f0c8 100644 --- a/drivers/i2c/chips/adm1025.c +++ b/drivers/i2c/chips/adm1025.c @@ -153,19 +153,19 @@ struct adm1025_data { */ #define show_in(offset) \ -static ssize_t show_in##offset(struct device *dev, char *buf) \ +static ssize_t show_in##offset(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%u\n", IN_FROM_REG(data->in[offset], \ in_scale[offset])); \ } \ -static ssize_t show_in##offset##_min(struct device *dev, char *buf) \ +static ssize_t show_in##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_min[offset], \ in_scale[offset])); \ } \ -static ssize_t show_in##offset##_max(struct device *dev, char *buf) \ +static ssize_t show_in##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%u\n", IN_FROM_REG(data->in_max[offset], \ @@ -180,17 +180,17 @@ show_in(4); show_in(5); #define show_temp(offset) \ -static ssize_t show_temp##offset(struct device *dev, char *buf) \ +static ssize_t show_temp##offset(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp[offset-1])); \ } \ -static ssize_t show_temp##offset##_min(struct device *dev, char *buf) \ +static ssize_t show_temp##offset##_min(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_min[offset-1])); \ } \ -static ssize_t show_temp##offset##_max(struct device *dev, char *buf) \ +static ssize_t show_temp##offset##_max(struct device *dev, struct device_attribute *attr, char *buf) \ { \ struct adm1025_data *data = adm1025_update_device(dev); \ return sprintf(buf, "%d\n", TEMP_FROM_REG(data->temp_max[offset-1])); \ @@ -200,7 +200,7 @@ show_temp(1); show_temp(2); #define set_in(offset) \ -static ssize_t set_in##offset##_min(struct device *dev, const char *buf, \ +static ssize_t set_in##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ size_t count) \ { \ struct i2c_client *client = to_i2c_client(dev); \ @@ -214,7 +214,7 @@ static ssize_t set_in##offset##_min(struct device *dev, const char *buf, \ up(&data->update_lock); \ return count; \ } \ -static ssize_t set_in##offset##_max(struct device *dev, const char *buf, \ +static ssize_t set_in##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ size_t count) \ { \ struct i2c_client *client = to_i2c_client(dev); \ @@ -240,7 +240,7 @@ set_in(4); set_in(5); #define set_temp(offset) \ -static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \ +static ssize_t set_temp##offset##_min(struct device *dev, struct device_attribute *attr, const char *buf, \ size_t count) \ { \ struct i2c_client *client = to_i2c_client(dev); \ @@ -254,7 +254,7 @@ static ssize_t set_temp##offset##_min(struct device *dev, const char *buf, \ up(&data->update_lock); \ return count; \ } \ -static ssize_t set_temp##offset##_max(struct device *dev, const char *buf, \ +static ssize_t set_temp##offset##_max(struct device *dev, struct device_attribute *attr, const char *buf, \ size_t count) \ { \ struct i2c_client *client = to_i2c_client(dev); \ @@ -275,26 +275,26 @@ static DEVICE_ATTR(temp##offset##_max, S_IWUSR | S_IRUGO, \ set_temp(1); set_temp(2); -static ssize_t show_alarms(struct device *dev, char *buf) +static ssize_t show_alarms(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", data->alarms); } static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); -static ssize_t show_vid(struct device *dev, char *buf) +static ssize_t show_vid(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", vid_from_reg(data->vid, data->vrm)); } static DEVICE_ATTR(in1_ref, S_IRUGO, show_vid, NULL); -static ssize_t show_vrm(struct device *dev, char *buf) +static ssize_t show_vrm(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1025_data *data = adm1025_update_device(dev); return sprintf(buf, "%u\n", data->vrm); } -static ssize_t set_vrm(struct device *dev, const char *buf, size_t count) +static ssize_t set_vrm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1025_data *data = i2c_get_clientdata(client); diff --git a/drivers/i2c/chips/adm1026.c b/drivers/i2c/chips/adm1026.c index 39e2f4a..c127bd9 100644 --- a/drivers/i2c/chips/adm1026.c +++ b/drivers/i2c/chips/adm1026.c @@ -754,24 +754,24 @@ static ssize_t set_in_max(struct device *dev, const char *buf, } #define in_reg(offset) \ -static ssize_t show_in##offset (struct device *dev, char *buf) \ +static ssize_t show_in##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_in(dev, buf, offset); \ } \ -static ssize_t show_in##offset##_min (struct device *dev, char *buf) \ +static ssize_t show_in##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_in_min(dev, buf, offset); \ } \ -static ssize_t set_in##offset##_min (struct device *dev, \ +static ssize_t set_in##offset##_min (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_in_min(dev, buf, count, offset); \ } \ -static ssize_t show_in##offset##_max (struct device *dev, char *buf) \ +static ssize_t show_in##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_in_max(dev, buf, offset); \ } \ -static ssize_t set_in##offset##_max (struct device *dev, \ +static ssize_t set_in##offset##_max (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_in_max(dev, buf, count, offset); \ @@ -800,19 +800,19 @@ in_reg(13); in_reg(14); in_reg(15); -static ssize_t show_in16(struct device *dev, char *buf) +static ssize_t show_in16(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in[16]) - NEG12_OFFSET); } -static ssize_t show_in16_min(struct device *dev, char *buf) +static ssize_t show_in16_min(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_min[16]) - NEG12_OFFSET); } -static ssize_t set_in16_min(struct device *dev, const char *buf, size_t count) +static ssize_t set_in16_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); @@ -824,13 +824,13 @@ static ssize_t set_in16_min(struct device *dev, const char *buf, size_t count) up(&data->update_lock); return count; } -static ssize_t show_in16_max(struct device *dev, char *buf) +static ssize_t show_in16_max(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", INS_FROM_REG(16, data->in_max[16]) - NEG12_OFFSET); } -static ssize_t set_in16_max(struct device *dev, const char *buf, size_t count) +static ssize_t set_in16_max(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); struct adm1026_data *data = i2c_get_clientdata(client); @@ -880,15 +880,15 @@ static ssize_t set_fan_min(struct device *dev, const char *buf, } #define fan_offset(offset) \ -static ssize_t show_fan_##offset (struct device *dev, char *buf) \ +static ssize_t show_fan_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan(dev, buf, offset - 1); \ } \ -static ssize_t show_fan_##offset##_min (struct device *dev, char *buf) \ +static ssize_t show_fan_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan_min(dev, buf, offset - 1); \ } \ -static ssize_t set_fan_##offset##_min (struct device *dev, \ +static ssize_t set_fan_##offset##_min (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_fan_min(dev, buf, count, offset - 1); \ @@ -967,11 +967,11 @@ static ssize_t set_fan_div(struct device *dev, const char *buf, } #define fan_offset_div(offset) \ -static ssize_t show_fan_##offset##_div (struct device *dev, char *buf) \ +static ssize_t show_fan_##offset##_div (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_fan_div(dev, buf, offset - 1); \ } \ -static ssize_t set_fan_##offset##_div (struct device *dev, \ +static ssize_t set_fan_##offset##_div (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_fan_div(dev, buf, count, offset - 1); \ @@ -1033,24 +1033,24 @@ static ssize_t set_temp_max(struct device *dev, const char *buf, return count; } #define temp_reg(offset) \ -static ssize_t show_temp_##offset (struct device *dev, char *buf) \ +static ssize_t show_temp_##offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp(dev, buf, offset - 1); \ } \ -static ssize_t show_temp_##offset##_min (struct device *dev, char *buf) \ +static ssize_t show_temp_##offset##_min (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_min(dev, buf, offset - 1); \ } \ -static ssize_t show_temp_##offset##_max (struct device *dev, char *buf) \ +static ssize_t show_temp_##offset##_max (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_max(dev, buf, offset - 1); \ } \ -static ssize_t set_temp_##offset##_min (struct device *dev, \ +static ssize_t set_temp_##offset##_min (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_temp_min(dev, buf, count, offset - 1); \ } \ -static ssize_t set_temp_##offset##_max (struct device *dev, \ +static ssize_t set_temp_##offset##_max (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_temp_max(dev, buf, count, offset - 1); \ @@ -1087,11 +1087,11 @@ static ssize_t set_temp_offset(struct device *dev, const char *buf, } #define temp_offset_reg(offset) \ -static ssize_t show_temp_##offset##_offset (struct device *dev, char *buf) \ +static ssize_t show_temp_##offset##_offset (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_offset(dev, buf, offset - 1); \ } \ -static ssize_t set_temp_##offset##_offset (struct device *dev, \ +static ssize_t set_temp_##offset##_offset (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_temp_offset(dev, buf, count, offset - 1); \ @@ -1139,22 +1139,22 @@ static ssize_t set_temp_auto_point1_temp(struct device *dev, const char *buf, } #define temp_auto_point(offset) \ -static ssize_t show_temp##offset##_auto_point1_temp (struct device *dev, \ +static ssize_t show_temp##offset##_auto_point1_temp (struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ return show_temp_auto_point1_temp(dev, buf, offset - 1); \ } \ -static ssize_t set_temp##offset##_auto_point1_temp (struct device *dev, \ +static ssize_t set_temp##offset##_auto_point1_temp (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_temp_auto_point1_temp(dev, buf, count, offset - 1); \ } \ static ssize_t show_temp##offset##_auto_point1_temp_hyst (struct device \ - *dev, char *buf) \ + *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_auto_point1_temp_hyst(dev, buf, offset - 1); \ } \ -static ssize_t show_temp##offset##_auto_point2_temp (struct device *dev, \ +static ssize_t show_temp##offset##_auto_point2_temp (struct device *dev, struct device_attribute *attr, \ char *buf) \ { \ return show_temp_auto_point2_temp(dev, buf, offset - 1); \ @@ -1171,12 +1171,12 @@ temp_auto_point(1); temp_auto_point(2); temp_auto_point(3); -static ssize_t show_temp_crit_enable(struct device *dev, char *buf) +static ssize_t show_temp_crit_enable(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", (data->config1 & CFG1_THERM_HOT) >> 4); } -static ssize_t set_temp_crit_enable(struct device *dev, const char *buf, +static ssize_t set_temp_crit_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1224,11 +1224,11 @@ static ssize_t set_temp_crit(struct device *dev, const char *buf, } #define temp_crit_reg(offset) \ -static ssize_t show_temp_##offset##_crit (struct device *dev, char *buf) \ +static ssize_t show_temp_##offset##_crit (struct device *dev, struct device_attribute *attr, char *buf) \ { \ return show_temp_crit(dev, buf, offset - 1); \ } \ -static ssize_t set_temp_##offset##_crit (struct device *dev, \ +static ssize_t set_temp_##offset##_crit (struct device *dev, struct device_attribute *attr, \ const char *buf, size_t count) \ { \ return set_temp_crit(dev, buf, count, offset - 1); \ @@ -1240,12 +1240,12 @@ temp_crit_reg(1); temp_crit_reg(2); temp_crit_reg(3); -static ssize_t show_analog_out_reg(struct device *dev, char *buf) +static ssize_t show_analog_out_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", DAC_FROM_REG(data->analog_out)); } -static ssize_t set_analog_out_reg(struct device *dev, const char *buf, +static ssize_t set_analog_out_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1262,7 +1262,7 @@ static ssize_t set_analog_out_reg(struct device *dev, const char *buf, static DEVICE_ATTR(analog_out, S_IRUGO | S_IWUSR, show_analog_out_reg, set_analog_out_reg); -static ssize_t show_vid_reg(struct device *dev, char *buf) +static ssize_t show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", vid_from_reg(data->vid & 0x3f, data->vrm)); @@ -1270,12 +1270,12 @@ static ssize_t show_vid_reg(struct device *dev, char *buf) static DEVICE_ATTR(vid, S_IRUGO, show_vid_reg, NULL); -static ssize_t show_vrm_reg(struct device *dev, char *buf) +static ssize_t show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", data->vrm); } -static ssize_t store_vrm_reg(struct device *dev, const char *buf, +static ssize_t store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1287,7 +1287,7 @@ static ssize_t store_vrm_reg(struct device *dev, const char *buf, static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); -static ssize_t show_alarms_reg(struct device *dev, char *buf) +static ssize_t show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf, "%ld\n", (long) (data->alarms)); @@ -1295,12 +1295,12 @@ static ssize_t show_alarms_reg(struct device *dev, char *buf) static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); -static ssize_t show_alarm_mask(struct device *dev, char *buf) +static ssize_t show_alarm_mask(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%ld\n", data->alarm_mask); } -static ssize_t set_alarm_mask(struct device *dev, const char *buf, +static ssize_t set_alarm_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1331,12 +1331,12 @@ static DEVICE_ATTR(alarm_mask, S_IRUGO | S_IWUSR, show_alarm_mask, set_alarm_mask); -static ssize_t show_gpio(struct device *dev, char *buf) +static ssize_t show_gpio(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%ld\n", data->gpio); } -static ssize_t set_gpio(struct device *dev, const char *buf, +static ssize_t set_gpio(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1359,12 +1359,12 @@ static ssize_t set_gpio(struct device *dev, const char *buf, static DEVICE_ATTR(gpio, S_IRUGO | S_IWUSR, show_gpio, set_gpio); -static ssize_t show_gpio_mask(struct device *dev, char *buf) +static ssize_t show_gpio_mask(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%ld\n", data->gpio_mask); } -static ssize_t set_gpio_mask(struct device *dev, const char *buf, +static ssize_t set_gpio_mask(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1386,12 +1386,12 @@ static ssize_t set_gpio_mask(struct device *dev, const char *buf, static DEVICE_ATTR(gpio_mask, S_IRUGO | S_IWUSR, show_gpio_mask, set_gpio_mask); -static ssize_t show_pwm_reg(struct device *dev, char *buf) +static ssize_t show_pwm_reg(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", PWM_FROM_REG(data->pwm1.pwm)); } -static ssize_t set_pwm_reg(struct device *dev, const char *buf, +static ssize_t set_pwm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1407,12 +1407,12 @@ static ssize_t set_pwm_reg(struct device *dev, const char *buf, } return count; } -static ssize_t show_auto_pwm_min(struct device *dev, char *buf) +static ssize_t show_auto_pwm_min(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", data->pwm1.auto_pwm_min); } -static ssize_t set_auto_pwm_min(struct device *dev, const char *buf, +static ssize_t set_auto_pwm_min(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); @@ -1429,16 +1429,16 @@ static ssize_t set_auto_pwm_min(struct device *dev, const char *buf, up(&data->update_lock); return count; } -static ssize_t show_auto_pwm_max(struct device *dev, char *buf) +static ssize_t show_auto_pwm_max(struct device *dev, struct device_attribute *attr, char *buf) { return sprintf(buf,"%d\n", ADM1026_PWM_MAX); } -static ssize_t show_pwm_enable(struct device *dev, char *buf) +static ssize_t show_pwm_enable(struct device *dev, struct device_attribute *attr, char *buf) { struct adm1026_data *data = adm1026_update_device(dev); return sprintf(buf,"%d\n", data->pwm1.enable); } -static ssize_t set_pwm_enable(struct device *dev, const char *buf, +static ssize_t set_pwm_enable(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); 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