sony-laptop: Group functions and structures to better draw subsytems usage (d78865cd) · Commits · e / devices / android_kernel_teracube_2e

drivers/misc/sony-laptop.c

+51 −41

Original line number	Diff line number	Diff line
		@@ -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;
		}
		}
		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,