mfd: Remove lm3533 boost attributes
authorJohan Hovold <jhovold@gmail.com>
Thu, 10 May 2012 12:11:29 +0000 (14:11 +0200)
committerSamuel Ortiz <sameo@linux.intel.com>
Sun, 20 May 2012 15:27:01 +0000 (17:27 +0200)
Remove boost-frequency and ovp attributes, which can be set through
platform data, from sysfs.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Documentation/ABI/testing/sysfs-bus-i2c-devices-lm3533
drivers/mfd/lm3533-core.c

index 5700721..1b62230 100644 (file)
@@ -1,26 +1,3 @@
-What:          /sys/bus/i2c/devices/.../boost_freq
-Date:          April 2012
-KernelVersion: 3.5
-Contact:       Johan Hovold <jhovold@gmail.com>
-Description:
-               Set the boost converter switching frequency (0, 1), where
-
-               0 -  500Hz
-               1 - 1000Hz
-
-What:          /sys/bus/i2c/devices/.../boost_ovp
-Date:          April 2012
-KernelVersion: 3.5
-Contact:       Johan Hovold <jhovold@gmail.com>
-Description:
-               Set the boost converter over-voltage protection threshold
-               (0..3), where
-
-               0 - 16V
-               1 - 24V
-               2 - 32V
-               3 - 40V
-
 What:          /sys/bus/i2c/devices/.../output_hvled[n]
 Date:          April 2012
 KernelVersion: 3.5
index 053438c..d670543 100644 (file)
 #include <linux/mfd/lm3533.h>
 
 
-#define LM3533_BOOST_OVP_MAX           0x03
 #define LM3533_BOOST_OVP_MASK          0x06
 #define LM3533_BOOST_OVP_SHIFT         1
 
-#define LM3533_BOOST_FREQ_MAX          0x01
 #define LM3533_BOOST_FREQ_MASK         0x01
 #define LM3533_BOOST_FREQ_SHIFT                0
 
@@ -253,96 +251,12 @@ struct lm3533_device_attribute {
                struct {
                        u8 id;
                } output;
-               struct {
-                       u8 reg;
-                       u8 shift;
-                       u8 mask;
-                       u8 max;
-               } generic;
        } u;
 };
 
 #define to_lm3533_dev_attr(_attr) \
        container_of(_attr, struct lm3533_device_attribute, dev_attr)
 
-static ssize_t show_lm3533_reg(struct device *dev,
-                               struct device_attribute *attr, char *buf)
-{
-       struct lm3533 *lm3533 = dev_get_drvdata(dev);
-       struct lm3533_device_attribute *lattr = to_lm3533_dev_attr(attr);
-       u8 val;
-       int ret;
-
-       ret = lm3533_read(lm3533, lattr->u.generic.reg, &val);
-       if (ret)
-               return ret;
-
-       val = (val & lattr->u.generic.mask) >> lattr->u.generic.shift;
-
-       return scnprintf(buf, PAGE_SIZE, "%u\n", val);
-}
-
-static ssize_t store_lm3533_reg(struct device *dev,
-                                               struct device_attribute *attr,
-                                               const char *buf, size_t len)
-{
-       struct lm3533 *lm3533 = dev_get_drvdata(dev);
-       struct lm3533_device_attribute *lattr = to_lm3533_dev_attr(attr);
-       u8 val;
-       int ret;
-
-       if (kstrtou8(buf, 0, &val) || val > lattr->u.generic.max)
-               return -EINVAL;
-
-       val = val << lattr->u.generic.shift;
-       ret = lm3533_update(lm3533, lattr->u.generic.reg, val,
-                                                       lattr->u.generic.mask);
-       if (ret)
-               return ret;
-
-       return len;
-}
-
-#define GENERIC_ATTR(_reg, _max, _mask, _shift) \
-       { .reg          = _reg, \
-         .max          = _max, \
-         .mask         = _mask, \
-         .shift        = _shift }
-
-#define LM3533_GENERIC_ATTR(_name, _mode, _show, _store, _type,        \
-                                               _reg, _max, _mask, _shift) \
-       struct lm3533_device_attribute lm3533_dev_attr_##_name = { \
-               .dev_attr       = __ATTR(_name, _mode, _show, _store), \
-               .type           = _type, \
-               .u.generic      = GENERIC_ATTR(_reg, _max, _mask, _shift) }
-
-#define LM3533_GENERIC_ATTR_RW(_name, _type, _reg, _max, _mask, _shift) \
-       LM3533_GENERIC_ATTR(_name, S_IRUGO | S_IWUSR, \
-                                       show_lm3533_reg, store_lm3533_reg, \
-                                       _type, _reg, _max, _mask, _shift)
-
-#define LM3533_BOOST_ATTR_RW(_name, _NAME) \
-       LM3533_GENERIC_ATTR_RW(_name, LM3533_ATTR_TYPE_BACKLIGHT, \
-                               LM3533_REG_BOOST_PWM, LM3533_##_NAME##_MAX, \
-                               LM3533_##_NAME##_MASK, LM3533_##_NAME##_SHIFT)
-/*
- * Boost Over Voltage Protection Select
- *
- *   0 - 16 V (default)
- *   1 - 24 V
- *   2 - 32 V
- *   3 - 40 V
- */
-static LM3533_BOOST_ATTR_RW(boost_ovp, BOOST_OVP);
-
-/*
- * Boost Frequency Select
- *
- *   0 - 500 kHz (default)
- *   1 - 1 MHz
- */
-static LM3533_BOOST_ATTR_RW(boost_freq, BOOST_FREQ);
-
 static ssize_t show_output(struct device *dev,
                                struct device_attribute *attr, char *buf)
 {
@@ -432,8 +346,6 @@ static LM3533_OUTPUT_LVLED_ATTR_RW(4);
 static LM3533_OUTPUT_LVLED_ATTR_RW(5);
 
 static struct attribute *lm3533_attributes[] = {
-       &lm3533_dev_attr_boost_freq.dev_attr.attr,
-       &lm3533_dev_attr_boost_ovp.dev_attr.attr,
        &lm3533_dev_attr_output_hvled1.dev_attr.attr,
        &lm3533_dev_attr_output_hvled2.dev_attr.attr,
        &lm3533_dev_attr_output_lvled1.dev_attr.attr,