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path: root/drivers/misc/thinkpad_acpi.c
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Diffstat (limited to 'drivers/misc/thinkpad_acpi.c')
-rw-r--r--drivers/misc/thinkpad_acpi.c38
1 files changed, 22 insertions, 16 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 9f10b4694ed..450b1e5cd68 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -727,7 +727,7 @@ static struct ibm_struct thinkpad_acpi_driver_data = {
*/
static int hotkey_orig_status;
-static int hotkey_orig_mask;
+static u32 hotkey_orig_mask;
static struct attribute_set *hotkey_dev_attributes;
@@ -736,7 +736,8 @@ static ssize_t hotkey_enable_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
res = hotkey_get(&status, &mask);
if (res)
@@ -750,7 +751,8 @@ static ssize_t hotkey_enable_store(struct device *dev,
const char *buf, size_t count)
{
unsigned long t;
- int res, status, mask;
+ int res, status;
+ u32 mask;
if (parse_strtoul(buf, 1, &t))
return -EINVAL;
@@ -771,13 +773,14 @@ static ssize_t hotkey_mask_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
res = hotkey_get(&status, &mask);
if (res)
return res;
- return snprintf(buf, PAGE_SIZE, "0x%04x\n", mask);
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", mask);
}
static ssize_t hotkey_mask_store(struct device *dev,
@@ -785,9 +788,10 @@ static ssize_t hotkey_mask_store(struct device *dev,
const char *buf, size_t count)
{
unsigned long t;
- int res, status, mask;
+ int res, status;
+ u32 mask;
- if (parse_strtoul(buf, 0xffff, &t))
+ if (parse_strtoul(buf, 0xffffffffUL, &t))
return -EINVAL;
res = hotkey_get(&status, &mask);
@@ -817,7 +821,7 @@ static ssize_t hotkey_bios_mask_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return snprintf(buf, PAGE_SIZE, "0x%04x\n", hotkey_orig_mask);
+ return snprintf(buf, PAGE_SIZE, "0x%08x\n", hotkey_orig_mask);
}
static struct device_attribute dev_attr_hotkey_bios_mask =
@@ -902,10 +906,10 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
int hkey;
- if (acpi_evalf(hkey_handle, &hkey, "MHKP", "d"))
+ if (event == 0x80 && acpi_evalf(hkey_handle, &hkey, "MHKP", "d")) {
acpi_bus_generate_event(ibm->acpi->device, event, hkey);
- else {
- printk(IBM_ERR "unknown hotkey event %d\n", event);
+ } else {
+ printk(IBM_ERR "unknown hotkey notification event %d\n", event);
acpi_bus_generate_event(ibm->acpi->device, event, 0);
}
}
@@ -913,7 +917,7 @@ static void hotkey_notify(struct ibm_struct *ibm, u32 event)
/*
* Call with hotkey_mutex held
*/
-static int hotkey_get(int *status, int *mask)
+static int hotkey_get(int *status, u32 *mask)
{
if (!acpi_evalf(hkey_handle, status, "DHKC", "d"))
return -EIO;
@@ -928,7 +932,7 @@ static int hotkey_get(int *status, int *mask)
/*
* Call with hotkey_mutex held
*/
-static int hotkey_set(int status, int mask)
+static int hotkey_set(int status, u32 mask)
{
int i;
@@ -949,7 +953,8 @@ static int hotkey_set(int status, int mask)
/* procfs -------------------------------------------------------------- */
static int hotkey_read(char *p)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
int len = 0;
if (!tp_features.hotkey) {
@@ -967,7 +972,7 @@ static int hotkey_read(char *p)
len += sprintf(p + len, "status:\t\t%s\n", enabled(status, 0));
if (tp_features.hotkey_mask) {
- len += sprintf(p + len, "mask:\t\t0x%04x\n", mask);
+ len += sprintf(p + len, "mask:\t\t0x%08x\n", mask);
len += sprintf(p + len,
"commands:\tenable, disable, reset, <mask>\n");
} else {
@@ -980,7 +985,8 @@ static int hotkey_read(char *p)
static int hotkey_write(char *buf)
{
- int res, status, mask;
+ int res, status;
+ u32 mask;
char *cmd;
int do_cmd = 0;