1 files changed, 142 insertions, 0 deletions
diff --git a/sys-kernel/mactel-linux-sources/files/2.6.24-mactel-patches-r151/applesmc-case-led.patch b/sys-kernel/mactel-linux-sources/files/2.6.24-mactel-patches-r151/applesmc-case-led.patch
new file mode 100644
index 0000000..860f9d4
--- /dev/null
+++ b/sys-kernel/mactel-linux-sources/files/2.6.24-mactel-patches-r151/applesmc-case-led.patch
@@ -0,0 +1,142 @@
+[PATCH] applesmc case led and SCSI LED activity trigger
+
+From: René Rebe <rene@exactcode.de>
+
+
+---
+
+ drivers/hwmon/applesmc.c |   70 ++++++++++++++++++++++++++++++++++++++++------
+ 1 files changed, 61 insertions(+), 9 deletions(-)
+
+diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
+index 86c66c3..377c96d 100644
+--- a/drivers/hwmon/applesmc.c
++++ b/drivers/hwmon/applesmc.c
+@@ -63,6 +63,8 @@
+ 
+ #define CLAMSHELL_KEY		"MSLD" /* r-o ui8 (unused) */
+ 
++#define LED_KEY			"LSLF" /* r-w ui16 */
++
+ #define MOTION_SENSOR_X_KEY	"MO_X" /* r-o sp78 (2 bytes) */
+ #define MOTION_SENSOR_Y_KEY	"MO_Y" /* r-o sp78 (2 bytes) */
+ #define MOTION_SENSOR_Z_KEY	"MO_Z" /* r-o sp78 (2 bytes) */
+@@ -151,7 +153,7 @@ static DEFINE_MUTEX(applesmc_lock);
+  */
+ static unsigned int key_at_index;
+ 
+-static struct workqueue_struct *applesmc_led_wq;
++static struct workqueue_struct *applesmc_led_wq, *applesmc_backlight_wq;
+ 
+ /*
+  * __wait_status - Wait up to 2ms for the status port to get a certain value
+@@ -742,13 +744,40 @@ static void applesmc_backlight_set(struct work_struct *work)
+ }
+ static DECLARE_WORK(backlight_work, &applesmc_backlight_set);
+ 
+-static void applesmc_brightness_set(struct led_classdev *led_cdev,
+-						enum led_brightness value)
++static void applesmc_backlight_brightness_set(struct led_classdev *led_cdev,
++					      enum led_brightness value)
+ {
+ 	int ret;
+ 
+ 	backlight_value = value;
+-	ret = queue_work(applesmc_led_wq, &backlight_work);
++	ret = queue_work(applesmc_backlight_wq, &backlight_work);
++
++	if (debug && (!ret))
++		printk(KERN_DEBUG "applesmc: work was already on the queue.\n");
++}
++
++/* Store the next LED value to be written by the work */
++static unsigned int led_value;
++
++static void applesmc_led_set(struct work_struct *work)
++{
++	u8 buffer[2];
++
++	mutex_lock(&applesmc_lock);
++	buffer[0] = led_value;
++	buffer[1] = 0x00;
++	applesmc_write_key(LED_KEY, buffer, 2);
++	mutex_unlock(&applesmc_lock);
++}
++static DECLARE_WORK(led_work, &applesmc_led_set);
++
++static void applesmc_led_brightness_set(struct led_classdev *led_cdev,
++					 enum led_brightness value)
++{
++	int ret;
++
++	led_value = value;
++	ret = queue_work(applesmc_led_wq, &led_work);
+ 
+ 	if (debug && (!ret))
+ 		printk(KERN_DEBUG "applesmc: work was already on the queue.\n");
+@@ -904,10 +933,16 @@ static ssize_t applesmc_key_at_index_store(struct device *dev,
+ 	return count;
+ }
+ 
++static struct led_classdev applesmc_led = {
++	.name			= "smc:case-led",
++	.default_trigger	= "ide-disk",
++	.brightness_set		= applesmc_led_brightness_set,
++};
++
+ static struct led_classdev applesmc_backlight = {
+ 	.name			= "smc:kbd_backlight",
+ 	.default_trigger	= "nand-disk",
+-	.brightness_set		= applesmc_brightness_set,
++	.brightness_set		= applesmc_backlight_brightness_set,
+ };
+ 
+ static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL);
+@@ -1340,15 +1375,28 @@ static int __init applesmc_init(void)
+ 			goto out_temperature;
+ 	}
+ 
++        /* Create the workqueue */
++        applesmc_led_wq = create_singlethread_workqueue("applesmc-led");
++        if (!applesmc_led_wq) {
++                ret = -ENOMEM;
++                goto out_accelerometer;
++        }
++
++        /* register as a led device */
++        ret = led_classdev_register(&pdev->dev, &applesmc_led);
++        if (ret < 0)
++                goto out_led_wq;
++
++
+ 	if (applesmc_light) {
+ 		/* Add light sensor file */
+ 		ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr);
+ 		if (ret)
+-			goto out_accelerometer;
++			goto out_led_ledclass;
+ 
+ 		/* Create the workqueue */
+-		applesmc_led_wq = create_singlethread_workqueue("applesmc-led");
+-		if (!applesmc_led_wq) {
++		applesmc_backlight_wq = create_singlethread_workqueue("applesmc-backlight");
++		if (!applesmc_backlight_wq) {
+ 			ret = -ENOMEM;
+ 			goto out_light_sysfs;
+ 		}
+@@ -1374,10 +1422,14 @@ out_light_ledclass:
+ 		led_classdev_unregister(&applesmc_backlight);
+ out_light_wq:
+ 	if (applesmc_light)
+-		destroy_workqueue(applesmc_led_wq);
++		destroy_workqueue(applesmc_backlight_wq);
+ out_light_sysfs:
+ 	if (applesmc_light)
+ 		sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr);
++out_led_ledclass:
++        led_classdev_unregister(&applesmc_led);
++out_led_wq:
++        destroy_workqueue(applesmc_led_wq);
+ out_accelerometer:
+ 	if (applesmc_accelerometer)
+ 		applesmc_release_accelerometer();