Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=d78865cdb096781382074943c1b7781696b178a6
Commit: d78865cdb096781382074943c1b7781696b178a6
Parent: 287ddfd522097257dadf37deb21969ad4dbc8148
Author: Mattia Dongili <[EMAIL PROTECTED]>
AuthorDate: Wed Feb 7 20:01:56 2007 +0100
Committer: Len Brown <[EMAIL PROTECTED]>
CommitDate: Tue Feb 13 03:07:13 2007 -0500
sony-laptop: Group functions and structures to better draw subsytems usage
Signed-off-by: Mattia Dongili <[EMAIL PROTECTED]>
Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
drivers/misc/sony-laptop.c | 92 ++++++++++++++++++++++++-------------------
1 files changed, 51 insertions(+), 41 deletions(-)
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 1d14969..4a69ce7 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -54,16 +54,6 @@ module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "set this to 1 (and RTFM) if you want to help "
"the development of this driver");
-static int sony_backlight_update_status(struct backlight_device *bd);
-static int sony_backlight_get_brightness(struct backlight_device *bd);
-static struct backlight_device *sony_backlight_device;
-static struct backlight_properties sony_backlight_properties = {
- .owner = THIS_MODULE,
- .update_status = sony_backlight_update_status,
- .get_brightness = sony_backlight_get_brightness,
- .max_brightness = SONY_MAX_BRIGHTNESS - 1,
-};
-
static ssize_t sony_acpi_show(struct device *, struct device_attribute *, char
*);
static ssize_t sony_acpi_store(struct device *, struct device_attribute *,
const char *, size_t);
@@ -137,6 +127,9 @@ static struct sony_acpi_value sony_acpi_values[] = {
static acpi_handle sony_acpi_handle;
static struct acpi_device *sony_acpi_acpi_device = NULL;
+/*
+ * acpi_evaluate_object wrappers
+ */
static int acpi_callgetfunc(acpi_handle handle, char *name, int *result)
{
struct acpi_buffer output;
@@ -335,25 +328,37 @@ static void sony_snc_pf_remove(void)
platform_driver_unregister(&sncpf_driver);
}
-static int sony_acpi_resume(struct acpi_device *device)
+/*
+ * Backlight device
+ */
+static int sony_backlight_update_status(struct backlight_device *bd)
{
- struct sony_acpi_value *item;
+ return acpi_callsetfunc(sony_acpi_handle, "SBRT",
+ bd->props->brightness + 1,
+ NULL);
+}
- for (item = sony_acpi_values; item->name; item++) {
- int ret;
+static int sony_backlight_get_brightness(struct backlight_device *bd)
+{
+ int value;
- if (!item->valid)
- continue;
- ret = acpi_callsetfunc(sony_acpi_handle, *item->acpiset,
- item->value, NULL);
- if (ret < 0) {
- printk("%s: %d\n", __FUNCTION__, ret);
- break;
- }
- }
- return 0;
+ if (acpi_callgetfunc(sony_acpi_handle, "GBRT", &value))
+ return 0;
+ /* brightness levels are 1-based, while backlight ones are 0-based */
+ return value - 1;
}
+static struct backlight_device *sony_backlight_device;
+static struct backlight_properties sony_backlight_properties = {
+ .owner = THIS_MODULE,
+ .update_status = sony_backlight_update_status,
+ .get_brightness = sony_backlight_get_brightness,
+ .max_brightness = SONY_MAX_BRIGHTNESS - 1,
+};
+
+/*
+ * ACPI callbacks
+ */
static void sony_acpi_notify(acpi_handle handle, u32 event, void *data)
{
if (debug)
@@ -376,6 +381,28 @@ static acpi_status sony_walk_callback(acpi_handle handle,
u32 level,
return AE_OK;
}
+/*
+ * ACPI device
+ */
+static int sony_acpi_resume(struct acpi_device *device)
+{
+ struct sony_acpi_value *item;
+
+ for (item = sony_acpi_values; item->name; item++) {
+ int ret;
+
+ if (!item->valid)
+ continue;
+ ret = acpi_callsetfunc(sony_acpi_handle, *item->acpiset,
+ item->value, NULL);
+ if (ret < 0) {
+ printk("%s: %d\n", __FUNCTION__, ret);
+ break;
+ }
+ }
+ return 0;
+}
+
static int sony_acpi_add(struct acpi_device *device)
{
acpi_status status;
@@ -461,23 +488,6 @@ static int sony_acpi_remove(struct acpi_device *device,
int type)
return 0;
}
-static int sony_backlight_update_status(struct backlight_device *bd)
-{
- return acpi_callsetfunc(sony_acpi_handle, "SBRT",
- bd->props->brightness + 1,
- NULL);
-}
-
-static int sony_backlight_get_brightness(struct backlight_device *bd)
-{
- int value;
-
- if (acpi_callgetfunc(sony_acpi_handle, "GBRT", &value))
- return 0;
- /* brightness levels are 1-based, while backlight ones are 0-based */
- return value - 1;
-}
-
static struct acpi_driver sony_acpi_driver = {
.name = ACPI_SNC_DRIVER_NAME,
.class = ACPI_SNC_CLASS,
-
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