ACPI: asus_acpi: LED display support
This patch adds handling for front LED displays found on W1N and the like. Additionally, W1N is given its own model_data instance. Patch originally by Éric Burghard. Signed-off-by: Karol Kozimor <sziwan@hell.org.pl> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
parent
ed2cb07b2b
commit
42cb891295
|
@ -26,6 +26,7 @@
|
|||
* Pontus Fuchs - Helper functions, cleanup
|
||||
* Johann Wiesner - Small compile fixes
|
||||
* John Belmonte - ACPI code for Toshiba laptop was a good starting point.
|
||||
* Éric Burghard - LED display support for W1N
|
||||
*
|
||||
*/
|
||||
|
||||
|
@ -44,6 +45,7 @@
|
|||
#define PROC_MLED "mled"
|
||||
#define PROC_WLED "wled"
|
||||
#define PROC_TLED "tled"
|
||||
#define PROC_LEDD "ledd"
|
||||
#define PROC_INFO "info"
|
||||
#define PROC_LCD "lcd"
|
||||
#define PROC_BRN "brn"
|
||||
|
@ -88,6 +90,7 @@ struct model_data {
|
|||
char *wled_status; //node to handle wled reading_______A
|
||||
char *mt_tled; //method to handle tled_____________R
|
||||
char *tled_status; //node to handle tled reading_______A
|
||||
char *mt_ledd; //method to handle LED display______R
|
||||
char *mt_lcd_switch; //method to turn LCD ON/OFF_________A
|
||||
char *lcd_status; //node to read LCD panel state______A
|
||||
char *brightness_up; //method to set brightness up_______A
|
||||
|
@ -107,6 +110,7 @@ struct asus_hotk {
|
|||
struct acpi_device *device; //the device we are in
|
||||
acpi_handle handle; //the handle of the hotk device
|
||||
char status; //status of the hotk, for LEDs, ...
|
||||
u32 ledd_status; //status of the LED display
|
||||
struct model_data *methods; //methods available on the laptop
|
||||
u8 brightness; //brightness level
|
||||
enum {
|
||||
|
@ -127,7 +131,8 @@ struct asus_hotk {
|
|||
P30, //Samsung P30
|
||||
S1x, //S1300A, but also L1400B and M2400A (L84F)
|
||||
S2x, //S200 (J1 reported), Victor MP-XP7210
|
||||
xxN, //M2400N, M3700N, M5200N, S1300N, S5200N, W1OOON
|
||||
W1N, //W1000N
|
||||
xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
|
||||
//(Centrino)
|
||||
END_MODEL
|
||||
} model; //Models currently supported
|
||||
|
@ -331,6 +336,18 @@ static struct model_data model_conf[END_MODEL] = {
|
|||
.brightness_up = S2x_PREFIX "_Q0B",
|
||||
.brightness_down = S2x_PREFIX "_Q0A"},
|
||||
|
||||
{
|
||||
.name = "W1N",
|
||||
.mt_mled = "MLED",
|
||||
.mt_wled = "WLED",
|
||||
.mt_ledd = "SLCM",
|
||||
.mt_lcd_switch = xxN_PREFIX "_Q10",
|
||||
.lcd_status = "\\BKLT",
|
||||
.brightness_set = "SPLV",
|
||||
.brightness_get = "GPLV",
|
||||
.display_set = "SDSP",
|
||||
.display_get = "\\ADVG"},
|
||||
|
||||
{
|
||||
.name = "xxN",
|
||||
.mt_mled = "MLED",
|
||||
|
@ -549,6 +566,36 @@ proc_write_mled(struct file *file, const char __user * buffer,
|
|||
return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
|
||||
}
|
||||
|
||||
/*
|
||||
* Proc handlers for LED display
|
||||
*/
|
||||
static int
|
||||
proc_read_ledd(char *page, char **start, off_t off, int count, int *eof,
|
||||
void *data)
|
||||
{
|
||||
return sprintf(page, "0x%08x\n", hotk->ledd_status);
|
||||
}
|
||||
|
||||
static int
|
||||
proc_write_ledd(struct file *file, const char __user * buffer,
|
||||
unsigned long count, void *data)
|
||||
{
|
||||
int value;
|
||||
|
||||
count = parse_arg(buffer, count, &value);
|
||||
if (count > 0) {
|
||||
if (!write_acpi_int
|
||||
(hotk->handle, hotk->methods->mt_ledd, value, NULL))
|
||||
printk(KERN_WARNING
|
||||
"Asus ACPI: LED display write failed\n");
|
||||
else
|
||||
hotk->ledd_status = (u32) value;
|
||||
} else if (count < 0)
|
||||
printk(KERN_WARNING "Asus ACPI: Error reading user input\n");
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
/*
|
||||
* Proc handlers for WLED
|
||||
*/
|
||||
|
@ -863,6 +910,11 @@ static int asus_hotk_add_fs(struct acpi_device *device)
|
|||
mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_ledd) {
|
||||
asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd,
|
||||
mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_mled) {
|
||||
asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled,
|
||||
mode, device);
|
||||
|
@ -906,6 +958,8 @@ static int asus_hotk_remove_fs(struct acpi_device *device)
|
|||
remove_proc_entry(PROC_MLED, acpi_device_dir(device));
|
||||
if (hotk->methods->mt_tled)
|
||||
remove_proc_entry(PROC_TLED, acpi_device_dir(device));
|
||||
if (hotk->methods->mt_ledd)
|
||||
remove_proc_entry(PROC_LEDD, acpi_device_dir(device));
|
||||
if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status)
|
||||
remove_proc_entry(PROC_LCD, acpi_device_dir(device));
|
||||
if ((hotk->methods->brightness_up
|
||||
|
@ -1033,8 +1087,7 @@ static int asus_hotk_get_info(void)
|
|||
strncmp(model->string.pointer, "M5N", 3) == 0 ||
|
||||
strncmp(model->string.pointer, "M6N", 3) == 0 ||
|
||||
strncmp(model->string.pointer, "S1N", 3) == 0 ||
|
||||
strncmp(model->string.pointer, "S5N", 3) == 0 ||
|
||||
strncmp(model->string.pointer, "W1N", 3) == 0)
|
||||
strncmp(model->string.pointer, "S5N", 3) == 0)
|
||||
hotk->model = xxN;
|
||||
else if (strncmp(model->string.pointer, "M1", 2) == 0)
|
||||
hotk->model = M1A;
|
||||
|
@ -1055,6 +1108,8 @@ static int asus_hotk_get_info(void)
|
|||
hotk->model = S2x;
|
||||
else if (strncmp(model->string.pointer, "L5", 2) == 0)
|
||||
hotk->model = L5x;
|
||||
else if (strncmp(model->string.pointer, "W1N", 3) == 0)
|
||||
hotk->model = W1N;
|
||||
|
||||
if (hotk->model == END_MODEL) {
|
||||
printk("unsupported, trying default values, supply the "
|
||||
|
@ -1078,10 +1133,9 @@ static int asus_hotk_get_info(void)
|
|||
strncmp(model->string.pointer, "M5N", 3) == 0)
|
||||
hotk->methods->mt_mled = NULL;
|
||||
/* S5N and M5N have no MLED */
|
||||
else if (strncmp(model->string.pointer, "M2N", 3) == 0 ||
|
||||
strncmp(model->string.pointer, "W1N", 3) == 0)
|
||||
else if (strncmp(model->string.pointer, "M2N", 3) == 0)
|
||||
hotk->methods->mt_wled = "WLED";
|
||||
/* M2N and W1N have a usable WLED */
|
||||
/* M2N has a usable WLED */
|
||||
else if (asus_info) {
|
||||
if (strncmp(asus_info->oem_table_id, "L1", 2) == 0)
|
||||
hotk->methods->mled_status = NULL;
|
||||
|
@ -1175,6 +1229,9 @@ static int asus_hotk_add(struct acpi_device *device)
|
|||
|
||||
asus_hotk_found = 1;
|
||||
|
||||
/* LED display is off by default */
|
||||
hotk->ledd_status = 0xFFF;
|
||||
|
||||
end:
|
||||
if (result) {
|
||||
kfree(hotk);
|
||||
|
|
Loading…
Reference in a new issue