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Date: Fri, 26 Nov 2010 20:57:38 +0100
From: Stefan Achatz <erazor_de@...rs.sourceforge.net>
To: Randy Dunlap <rdunlap@...otime.net>,
Greg Kroah-Hartman <gregkh@...e.de>,
Jiri Kosina <jkosina@...e.cz>,
Stefan Achatz <erazor_de@...rs.sourceforge.net>,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-input@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH 4/5] HID: roccat: Reducing number of functions in kone and
pyra drivers
The profile number is now passed via bin_attribute->private instead
of function parameter to reduce number of functions.
Signed-off-by: Stefan Achatz <erazor_de@...rs.sourceforge.net>
---
drivers/hid/hid-roccat-kone.c | 106 +++++++++---------------------------
drivers/hid/hid-roccat-pyra.c | 120 +++++++++--------------------------------
2 files changed, 53 insertions(+), 173 deletions(-)
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index a837b8a..005a7be 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -35,6 +35,8 @@
#include "hid-roccat.h"
#include "hid-roccat-kone.h"
+static uint profile_numbers[5] = {0, 1, 2, 3, 4};
+
/* kone_class is used for creating sysfs attributes via roccat char device */
static struct class *kone_class;
@@ -324,9 +326,9 @@ static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
return sizeof(struct kone_settings);
}
-static ssize_t kone_sysfs_read_profilex(struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count, int number) {
+static ssize_t kone_sysfs_read_profilex(struct file *fp,
+ struct kobject *kobj, struct bin_attribute *attr,
+ char *buf, loff_t off, size_t count) {
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -338,46 +340,16 @@ static ssize_t kone_sysfs_read_profilex(struct kobject *kobj,
count = sizeof(struct kone_profile) - off;
mutex_lock(&kone->kone_lock);
- memcpy(buf, ((char const *)&kone->profiles[number - 1]) + off, count);
+ memcpy(buf, ((char const *)&kone->profiles[*(uint *)(attr->private)]) + off, count);
mutex_unlock(&kone->kone_lock);
return count;
}
-static ssize_t kone_sysfs_read_profile1(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 1);
-}
-
-static ssize_t kone_sysfs_read_profile2(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 2);
-}
-
-static ssize_t kone_sysfs_read_profile3(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 3);
-}
-
-static ssize_t kone_sysfs_read_profile4(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 4);
-}
-
-static ssize_t kone_sysfs_read_profile5(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_read_profilex(kobj, attr, buf, off, count, 5);
-}
-
/* Writes data only if different to stored data */
-static ssize_t kone_sysfs_write_profilex(struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count, int number) {
+static ssize_t kone_sysfs_write_profilex(struct file *fp,
+ struct kobject *kobj, struct bin_attribute *attr,
+ char *buf, loff_t off, size_t count) {
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -389,13 +361,14 @@ static ssize_t kone_sysfs_write_profilex(struct kobject *kobj,
if (off != 0 || count != sizeof(struct kone_profile))
return -EINVAL;
- profile = &kone->profiles[number - 1];
+ profile = &kone->profiles[*(uint *)(attr->private)];
mutex_lock(&kone->kone_lock);
difference = memcmp(buf, profile, sizeof(struct kone_profile));
if (difference) {
retval = kone_set_profile(usb_dev,
- (struct kone_profile const *)buf, number);
+ (struct kone_profile const *)buf,
+ *(uint *)(attr->private) + 1);
if (!retval)
memcpy(profile, buf, sizeof(struct kone_profile));
}
@@ -407,36 +380,6 @@ static ssize_t kone_sysfs_write_profilex(struct kobject *kobj,
return sizeof(struct kone_profile);
}
-static ssize_t kone_sysfs_write_profile1(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 1);
-}
-
-static ssize_t kone_sysfs_write_profile2(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 2);
-}
-
-static ssize_t kone_sysfs_write_profile3(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 3);
-}
-
-static ssize_t kone_sysfs_write_profile4(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 4);
-}
-
-static ssize_t kone_sysfs_write_profile5(struct file *fp, struct kobject *kobj,
- struct bin_attribute *attr, char *buf,
- loff_t off, size_t count) {
- return kone_sysfs_write_profilex(kobj, attr, buf, off, count, 5);
-}
-
static ssize_t kone_sysfs_show_actual_profile(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -692,32 +635,37 @@ static struct bin_attribute kone_bin_attributes[] = {
{
.attr = { .name = "profile1", .mode = 0660 },
.size = sizeof(struct kone_profile),
- .read = kone_sysfs_read_profile1,
- .write = kone_sysfs_write_profile1
+ .read = kone_sysfs_read_profilex,
+ .write = kone_sysfs_write_profilex,
+ .private = &profile_numbers[0]
},
{
.attr = { .name = "profile2", .mode = 0660 },
.size = sizeof(struct kone_profile),
- .read = kone_sysfs_read_profile2,
- .write = kone_sysfs_write_profile2
+ .read = kone_sysfs_read_profilex,
+ .write = kone_sysfs_write_profilex,
+ .private = &profile_numbers[1]
},
{
.attr = { .name = "profile3", .mode = 0660 },
.size = sizeof(struct kone_profile),
- .read = kone_sysfs_read_profile3,
- .write = kone_sysfs_write_profile3
+ .read = kone_sysfs_read_profilex,
+ .write = kone_sysfs_write_profilex,
+ .private = &profile_numbers[2]
},
{
.attr = { .name = "profile4", .mode = 0660 },
.size = sizeof(struct kone_profile),
- .read = kone_sysfs_read_profile4,
- .write = kone_sysfs_write_profile4
+ .read = kone_sysfs_read_profilex,
+ .write = kone_sysfs_write_profilex,
+ .private = &profile_numbers[3]
},
{
.attr = { .name = "profile5", .mode = 0660 },
.size = sizeof(struct kone_profile),
- .read = kone_sysfs_read_profile5,
- .write = kone_sysfs_write_profile5
+ .read = kone_sysfs_read_profilex,
+ .write = kone_sysfs_write_profilex,
+ .private = &profile_numbers[4]
},
__ATTR_NULL
};
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index a50c89e..5ce0580 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -27,6 +27,8 @@
#include "hid-roccat.h"
#include "hid-roccat-pyra.h"
+static uint profile_numbers[5] = {0, 1, 2, 3, 4};
+
/* pyra_class is used for creating sysfs attributes via roccat char device */
static struct class *pyra_class;
@@ -224,7 +226,7 @@ static int pyra_set_settings(struct usb_device *usb_dev,
static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count, int number)
+ loff_t off, size_t count)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
@@ -237,56 +239,16 @@ static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
count = sizeof(struct pyra_profile_settings) - off;
mutex_lock(&pyra->pyra_lock);
- memcpy(buf, ((char const *)&pyra->profile_settings[number]) + off,
+ memcpy(buf, ((char const *)&pyra->profile_settings[*(uint *)(attr->private)]) + off,
count);
mutex_unlock(&pyra->pyra_lock);
return count;
}
-static ssize_t pyra_sysfs_read_profile1_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_settings(fp, kobj,
- attr, buf, off, count, 0);
-}
-
-static ssize_t pyra_sysfs_read_profile2_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_settings(fp, kobj,
- attr, buf, off, count, 1);
-}
-
-static ssize_t pyra_sysfs_read_profile3_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_settings(fp, kobj,
- attr, buf, off, count, 2);
-}
-
-static ssize_t pyra_sysfs_read_profile4_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_settings(fp, kobj,
- attr, buf, off, count, 3);
-}
-
-static ssize_t pyra_sysfs_read_profile5_settings(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_settings(fp, kobj,
- attr, buf, off, count, 4);
-}
-
static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count, int number)
+ loff_t off, size_t count)
{
struct device *dev =
container_of(kobj, struct device, kobj)->parent->parent;
@@ -299,53 +261,13 @@ static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
count = sizeof(struct pyra_profile_buttons) - off;
mutex_lock(&pyra->pyra_lock);
- memcpy(buf, ((char const *)&pyra->profile_buttons[number]) + off,
+ memcpy(buf, ((char const *)&pyra->profile_buttons[*(uint *)(attr->private)]) + off,
count);
mutex_unlock(&pyra->pyra_lock);
return count;
}
-static ssize_t pyra_sysfs_read_profile1_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_buttons(fp, kobj,
- attr, buf, off, count, 0);
-}
-
-static ssize_t pyra_sysfs_read_profile2_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_buttons(fp, kobj,
- attr, buf, off, count, 1);
-}
-
-static ssize_t pyra_sysfs_read_profile3_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_buttons(fp, kobj,
- attr, buf, off, count, 2);
-}
-
-static ssize_t pyra_sysfs_read_profile4_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_buttons(fp, kobj,
- attr, buf, off, count, 3);
-}
-
-static ssize_t pyra_sysfs_read_profile5_buttons(struct file *fp,
- struct kobject *kobj, struct bin_attribute *attr, char *buf,
- loff_t off, size_t count)
-{
- return pyra_sysfs_read_profilex_buttons(fp, kobj,
- attr, buf, off, count, 4);
-}
-
static ssize_t pyra_sysfs_write_profile_settings(struct file *fp,
struct kobject *kobj, struct bin_attribute *attr, char *buf,
loff_t off, size_t count)
@@ -526,27 +448,32 @@ static struct bin_attribute pyra_bin_attributes[] = {
{
.attr = { .name = "profile1_settings", .mode = 0440 },
.size = sizeof(struct pyra_profile_settings),
- .read = pyra_sysfs_read_profile1_settings
+ .read = pyra_sysfs_read_profilex_settings,
+ .private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_settings", .mode = 0440 },
.size = sizeof(struct pyra_profile_settings),
- .read = pyra_sysfs_read_profile2_settings
+ .read = pyra_sysfs_read_profilex_settings,
+ .private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_settings", .mode = 0440 },
.size = sizeof(struct pyra_profile_settings),
- .read = pyra_sysfs_read_profile3_settings
+ .read = pyra_sysfs_read_profilex_settings,
+ .private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_settings", .mode = 0440 },
.size = sizeof(struct pyra_profile_settings),
- .read = pyra_sysfs_read_profile4_settings
+ .read = pyra_sysfs_read_profilex_settings,
+ .private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_settings", .mode = 0440 },
.size = sizeof(struct pyra_profile_settings),
- .read = pyra_sysfs_read_profile5_settings
+ .read = pyra_sysfs_read_profilex_settings,
+ .private = &profile_numbers[4]
},
{
.attr = { .name = "profile_buttons", .mode = 0220 },
@@ -556,27 +483,32 @@ static struct bin_attribute pyra_bin_attributes[] = {
{
.attr = { .name = "profile1_buttons", .mode = 0440 },
.size = sizeof(struct pyra_profile_buttons),
- .read = pyra_sysfs_read_profile1_buttons
+ .read = pyra_sysfs_read_profilex_buttons,
+ .private = &profile_numbers[0]
},
{
.attr = { .name = "profile2_buttons", .mode = 0440 },
.size = sizeof(struct pyra_profile_buttons),
- .read = pyra_sysfs_read_profile2_buttons
+ .read = pyra_sysfs_read_profilex_buttons,
+ .private = &profile_numbers[1]
},
{
.attr = { .name = "profile3_buttons", .mode = 0440 },
.size = sizeof(struct pyra_profile_buttons),
- .read = pyra_sysfs_read_profile3_buttons
+ .read = pyra_sysfs_read_profilex_buttons,
+ .private = &profile_numbers[2]
},
{
.attr = { .name = "profile4_buttons", .mode = 0440 },
.size = sizeof(struct pyra_profile_buttons),
- .read = pyra_sysfs_read_profile4_buttons
+ .read = pyra_sysfs_read_profilex_buttons,
+ .private = &profile_numbers[3]
},
{
.attr = { .name = "profile5_buttons", .mode = 0440 },
.size = sizeof(struct pyra_profile_buttons),
- .read = pyra_sysfs_read_profile5_buttons
+ .read = pyra_sysfs_read_profilex_buttons,
+ .private = &profile_numbers[4]
},
{
.attr = { .name = "settings", .mode = 0660 },
--
1.7.2.3
--
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