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-rw-r--r--drivers/staging/pcc-acpi/pcc-acpi.c429
1 files changed, 244 insertions, 185 deletions
diff --git a/drivers/staging/pcc-acpi/pcc-acpi.c b/drivers/staging/pcc-acpi/pcc-acpi.c
index e44181ead26..7715c31f273 100644
--- a/drivers/staging/pcc-acpi/pcc-acpi.c
+++ b/drivers/staging/pcc-acpi/pcc-acpi.c
@@ -27,11 +27,13 @@
* Nov.04, 2006 Hiroshi Miura <miura@da-cha.org>
* -v0.9 remove warning about section reference.
* remove acpi_os_free
- * add /proc/acpi/pcc/brightness interface to allow HAL to access.
+ * add /proc/acpi/pcc/brightness interface to
+ * allow HAL to access.
* merge dbronaugh's enhancement
* Aug.17, 2004 David Bronaugh (dbronaugh)
* - Added screen brightness setting interface
- * Thanks to the FreeBSD crew (acpi_panasonic.c authors)
+ * Thanks to the FreeBSD crew
+ * (acpi_panasonic.c authors)
* for the ideas I needed to accomplish it
*
* May.29, 2006 Hiroshi Miura <miura@da-cha.org>
@@ -41,13 +43,15 @@
* Hiroshi Yokota for providing solutions.
*
* Oct.02, 2004 Hiroshi Miura <miura@da-cha.org>
- * -v0.8.2 merge code of YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>.
+ * -v0.8.2 merge code of YOKOTA Hiroshi
+ * <yokota@netlab.is.tsukuba.ac.jp>.
* Add sticky key mode interface.
* Refactoring acpi_pcc_generete_keyinput().
*
* Sep.15, 2004 Hiroshi Miura <miura@da-cha.org>
* -v0.8 Generate key input event on input subsystem.
- * This is based on yet another driver written by Ryuta Nakanishi.
+ * This is based on yet another driver
+ * written by Ryuta Nakanishi.
*
* Sep.10, 2004 Hiroshi Miura <miura@da-cha.org>
* -v0.7 Change proc interface functions using seq_file
@@ -57,7 +61,8 @@
* -v0.6.4 Fix a silly error with status checking
*
* Aug.25, 2004 Hiroshi Miura <miura@da-cha.org>
- * -v0.6.3 replace read_acpi_int by standard function acpi_evaluate_integer
+ * -v0.6.3 replace read_acpi_int by standard
+ * function acpi_evaluate_integer
* some clean up and make smart copyright notice.
* fix return value of pcc_acpi_get_key()
* fix checking return value of acpi_bus_register_driver()
@@ -96,19 +101,18 @@
#define ACPI_PCC_VERSION "0.9+hy"
-#include <acpi/acpi_bus.h>
-#include <acpi/acpi_drivers.h>
-#include <asm/uaccess.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
#include <linux/ctype.h>
#include <linux/init.h>
#include <linux/input.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/version.h>
+#include <linux/uaccess.h>
+#include <acpi/acpi_bus.h>
+#include <acpi/acpi_drivers.h>
/*************************************************************************
@@ -207,12 +211,18 @@ MODULE_LICENSE("GPL");
ENV_STATEs: Normal temp=0x01, High temp=0x81, N/A=0x00
*/
enum SINF_BITS { SINF_NUM_BATTERIES = 0,
- SINF_LCD_TYPE, /* 1 */
- SINF_AC_MAX_BRIGHT, SINF_AC_MIN_BRIGHT, SINF_AC_CUR_BRIGHT, /* 2, 3, 4 */
- /* 4 = R1 only handle SINF_AC_CUR_BRIGHT as SINF_CUR_BRIGHT and don't know AC state */
- SINF_DC_MAX_BRIGHT, SINF_DC_MIN_BRIGHT, SINF_DC_CUR_BRIGHT, /* 5, 6, 7 */
+ SINF_LCD_TYPE,
+ SINF_AC_MAX_BRIGHT,
+ SINF_AC_MIN_BRIGHT,
+ SINF_AC_CUR_BRIGHT,
+ /* 4 = R1 only handle SINF_AC_CUR_BRIGHT
+ * as SINF_CUR_BRIGHT and don't know AC state */
+ SINF_DC_MAX_BRIGHT,
+ SINF_DC_MIN_BRIGHT,
+ SINF_DC_CUR_BRIGHT,
SINF_MUTE,
- SINF_RESERVED, SINF_ENV_STATE, /* 9, 10 */
+ SINF_RESERVED,
+ SINF_ENV_STATE, /* 10 */
SINF_STICKY_KEY = 0x80,
};
@@ -227,7 +237,8 @@ MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device);
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type);
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
+ int type);
static int acpi_pcc_hotkey_resume(struct acpi_device *device);
@@ -236,11 +247,11 @@ static struct acpi_driver acpi_pcc_driver = {
.class = ACPI_PCC_CLASS,
.ids = pcc_device_ids,
.ops = {
- .add = acpi_pcc_hotkey_add,
- .remove = __devexit_p(acpi_pcc_hotkey_remove),
+ .add = acpi_pcc_hotkey_add,
+ .remove = __devexit_p(acpi_pcc_hotkey_remove),
#ifdef CONFIG_PM
- /*.suspend = acpi_pcc_hotkey_suspend,*/
- .resume = acpi_pcc_hotkey_resume,
+ /*.suspend = acpi_pcc_hotkey_suspend,*/
+ .resume = acpi_pcc_hotkey_resume,
#endif
},
};
@@ -264,7 +275,7 @@ struct pcc_keyinput {
Hotkey driver core
************************************************************************* */
/* -------------------------------------------------------------------------
- method access functions
+ method access functions
------------------------------------------------------------------------- */
static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
{
@@ -282,7 +293,8 @@ static int acpi_pcc_write_sset(struct acpi_hotkey *hotkey, int func, int val)
ACPI_FUNCTION_TRACE("acpi_pcc_write_sset");
- status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET, &params, NULL);
+ status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SSET,
+ &params, NULL);
return_VALUE(status == AE_OK ? AE_OK : AE_ERROR);
}
@@ -294,7 +306,8 @@ static inline int acpi_pcc_get_sqty(struct acpi_device *device)
ACPI_FUNCTION_TRACE("acpi_pcc_get_sqty");
- status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY, NULL, &s);
+ status = acpi_evaluate_integer(device->handle, METHOD_HKEY_SQTY,
+ NULL, &s);
if (ACPI_SUCCESS(status)) {
return_VALUE(s);
} else {
@@ -304,7 +317,7 @@ static inline int acpi_pcc_get_sqty(struct acpi_device *device)
}
}
-static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
+static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32 *sinf)
{
acpi_status status;
struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};
@@ -313,9 +326,11 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
ACPI_FUNCTION_TRACE("acpi_pcc_retrieve_biosdata");
- status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0 , &buffer);
+ status = acpi_evaluate_object(hotkey->handle, METHOD_HKEY_SINF, 0,
+ &buffer);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "evaluation error HKEY.SINF\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "evaluation error HKEY.SINF\n"));
status = AE_ERROR;
return_VALUE(status);
}
@@ -327,7 +342,8 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
}
if (hotkey->num_sifr < hkey->package.count) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "SQTY reports bad SINF length\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "SQTY reports bad SINF length\n"));
status = AE_ERROR;
goto free_buffer;
}
@@ -337,7 +353,8 @@ static int acpi_pcc_retrieve_biosdata(struct acpi_hotkey *hotkey, u32* sinf)
if (likely(element->type == ACPI_TYPE_INTEGER)) {
sinf[i] = element->integer.value;
} else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid HKEY.SINF data\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Invalid HKEY.SINF data\n"));
status = AE_ERROR;
break;
}
@@ -356,24 +373,26 @@ static int acpi_pcc_read_sinf_field(struct seq_file *seq, int field)
ACPI_FUNCTION_TRACE("acpi_pcc_read_sinf_field");
- if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
+ if (ACPI_SUCCESS(acpi_pcc_retrieve_biosdata(hotkey, sinf)))
seq_printf(seq, "%u\n", sinf[field]);
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
- }
+ else
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't retrieve BIOS data\n"));
return_VALUE(AE_OK);
}
/* -------------------------------------------------------------------------
- user interface functions
+ user interface functions
------------------------------------------------------------------------- */
/* read methods */
/* Sinf read methods */
#define PCC_SINF_READ_F(_name_, FUNC) \
-static int _name_ (struct seq_file *seq, void *offset) \
+static int _name_(struct seq_file *seq, void *offset) \
{ \
- return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, (FUNC))) ? 0 : -EINVAL); \
+ return_VALUE(ACPI_SUCCESS(acpi_pcc_read_sinf_field(seq, \
+ (FUNC))) \
+ ? 0 : -EINVAL); \
}
PCC_SINF_READ_F(acpi_pcc_numbatteries_show, SINF_NUM_BATTERIES);
@@ -393,9 +412,8 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
ACPI_FUNCTION_TRACE("acpi_pcc_sticky_key_show");
- if (!hotkey || !hotkey->device) {
+ if (!hotkey || !hotkey->device)
return_VALUE(-EINVAL);
- }
seq_printf(seq, "%d\n", hotkey->sticky_mode);
@@ -404,7 +422,7 @@ static int acpi_pcc_sticky_key_show(struct seq_file *seq, void *offset)
static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
{
- struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
+ struct acpi_hotkey *hotkey = seq->private;
struct input_dev *hotk_input_dev = hotkey->input_dev;
struct pcc_keyinput *keyinput = input_get_drvdata(hotk_input_dev);
@@ -417,25 +435,25 @@ static int acpi_pcc_keyinput_show(struct seq_file *seq, void *offset)
static int acpi_pcc_version_show(struct seq_file *seq, void *offset)
{
- struct acpi_hotkey *hotkey = (struct acpi_hotkey *) seq->private;
+ struct acpi_hotkey *hotkey = seq->private;
ACPI_FUNCTION_TRACE("acpi_pcc_version_show");
- if (!hotkey || !hotkey->device) {
+ if (!hotkey || !hotkey->device)
return_VALUE(-EINVAL);
- }
- seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME, ACPI_PCC_VERSION);
+ seq_printf(seq, "%s version %s\n", ACPI_PCC_DRIVER_NAME,
+ ACPI_PCC_VERSION);
seq_printf(seq, "%li functions\n", hotkey->num_sifr);
return_VALUE(0);
}
/* write methods */
-static ssize_t acpi_pcc_write_single_flag (struct file *file,
- const char __user *buffer,
- size_t count,
- int sinf_func)
+static ssize_t acpi_pcc_write_single_flag(struct file *file,
+ const char __user *buffer,
+ size_t count,
+ int sinf_func)
{
struct seq_file *seq = file->private_data;
struct acpi_hotkey *hotkey = seq->private;
@@ -444,24 +462,23 @@ static ssize_t acpi_pcc_write_single_flag (struct file *file,
ACPI_FUNCTION_TRACE("acpi_pcc_write_single_flag");
- if (!hotkey || (count > sizeof(write_string) - 1)) {
+ if (!hotkey || (count > sizeof(write_string) - 1))
return_VALUE(-EINVAL);
- }
- if (copy_from_user(write_string, buffer, count)) {
+ if (copy_from_user(write_string, buffer, count))
return_VALUE(-EFAULT);
- }
+
write_string[count] = '\0';
if ((sscanf(write_string, "%3i", &val) == 1) &&
- (val == 0 || val == 1)) {
+ (val == 0 || val == 1))
acpi_pcc_write_sset(hotkey, sinf_func, val);
- }
return_VALUE(count);
}
-static unsigned long acpi_pcc_write_brightness(struct file *file, const char __user *buffer,
+static unsigned long acpi_pcc_write_brightness(struct file *file,
+ const char __user *buffer,
size_t count,
int min_index, int max_index,
int cur_index)
@@ -474,33 +491,32 @@ static unsigned long acpi_pcc_write_brightness(struct file *file, const char __u
ACPI_FUNCTION_TRACE("acpi_pcc_write_brightness");
- if (!hotkey || (count > sizeof(write_string) - 1)) {
+ if (!hotkey || (count > sizeof(write_string) - 1))
return_VALUE(-EINVAL);
- }
- if (copy_from_user(write_string, buffer, count)) {
+ if (copy_from_user(write_string, buffer, count))
return_VALUE(-EFAULT);
- }
write_string[count] = '\0';
if (ACPI_FAILURE(acpi_pcc_retrieve_biosdata(hotkey, sinf))) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't retrieve BIOS data\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't retrieve BIOS data\n"));
goto end;
}
if ((sscanf(write_string, "%4i", &bright) == 1) &&
- (bright >= sinf[min_index] ) &&
- (bright <= sinf[max_index] )) {
+ (bright >= sinf[min_index]) &&
+ (bright <= sinf[max_index]))
acpi_pcc_write_sset(hotkey, cur_index, bright);
- }
end:
return_VALUE(count);
}
-static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_ac_brightness(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
SINF_AC_MIN_BRIGHT,
@@ -508,8 +524,9 @@ static ssize_t acpi_pcc_write_ac_brightness(struct file *file, const char __user
SINF_AC_CUR_BRIGHT));
}
-static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_dc_brightness(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
return_VALUE(acpi_pcc_write_brightness(file, buffer, count,
SINF_DC_MIN_BRIGHT,
@@ -517,24 +534,27 @@ static ssize_t acpi_pcc_write_dc_brightness(struct file *file, const char __user
SINF_DC_CUR_BRIGHT));
}
-static ssize_t acpi_pcc_write_no_brightness(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_no_brightness(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
- return acpi_pcc_write_brightness(file, buffer, count, SINF_AC_MIN_BRIGHT,
+ return acpi_pcc_write_brightness(file, buffer, count,
+ SINF_AC_MIN_BRIGHT,
SINF_AC_MAX_BRIGHT,
SINF_AC_CUR_BRIGHT);
}
-static ssize_t acpi_pcc_write_mute (struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_mute(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
- return_VALUE(acpi_pcc_write_single_flag(file, buffer, count, SINF_MUTE));
+ return_VALUE(acpi_pcc_write_single_flag(file, buffer, count,
+ SINF_MUTE));
}
-static ssize_t acpi_pcc_write_sticky_key (struct file *file,
- const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_sticky_key(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
struct seq_file *seq = (struct seq_file *)file->private_data;
struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
@@ -543,13 +563,12 @@ static ssize_t acpi_pcc_write_sticky_key (struct file *file,
ACPI_FUNCTION_TRACE("acpi_pcc_write_sticky_key");
- if (!hotkey || (count > sizeof(write_string) - 1)) {
+ if (!hotkey || (count > sizeof(write_string) - 1))
return_VALUE(-EINVAL);
- }
- if (copy_from_user(write_string, buffer, count)) {
+ if (copy_from_user(write_string, buffer, count))
return_VALUE(-EFAULT);
- }
+
write_string[count] = '\0';
if ((sscanf(write_string, "%3i", &mode) == 1) &&
@@ -561,8 +580,9 @@ static ssize_t acpi_pcc_write_sticky_key (struct file *file,
return_VALUE(count);
}
-static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buffer,
- size_t count, loff_t *ppos)
+static ssize_t acpi_pcc_write_keyinput(struct file *file,
+ const char __user *buffer,
+ size_t count, loff_t *ppos)
{
struct seq_file *seq = (struct seq_file *)file->private_data;
struct acpi_hotkey *hotkey = (struct acpi_hotkey *)seq->private;
@@ -572,13 +592,11 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
ACPI_FUNCTION_TRACE("acpi_pcc_write_keyinput");
- if (!hotkey || (count > (sizeof(write_string) - 1))) {
+ if (!hotkey || (count > (sizeof(write_string) - 1)))
return_VALUE(-EINVAL);
- }
- if (copy_from_user(write_string, buffer, count)) {
+ if (copy_from_user(write_string, buffer, count))
return_VALUE(-EFAULT);
- }
write_string[count] = '\0';
@@ -592,7 +610,7 @@ static ssize_t acpi_pcc_write_keyinput(struct file *file, const char __user *buf
}
/* -------------------------------------------------------------------------
- hotkey driver
+ hotkey driver
------------------------------------------------------------------------- */
static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
{
@@ -604,7 +622,8 @@ static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
/* 0 */ -1,
/* 1 */ KEY_BRIGHTNESSDOWN,
/* 2 */ KEY_BRIGHTNESSUP,
- /* 3 */ -1, /* vga/lcd switch event is not occur on hotkey driver. */
+ /* 3 */ -1, /* vga/lcd switch event is not occur on
+ hotkey driver. */
/* 4 */ KEY_MUTE,
/* 5 */ KEY_VOLUMEDOWN,
/* 6 */ KEY_VOLUMEUP,
@@ -616,11 +635,12 @@ static void acpi_pcc_generete_keyinput(struct acpi_hotkey *hotkey)
ACPI_FUNCTION_TRACE("acpi_pcc_generete_keyinput");
- if (keyinput->key_mode == 0) { return_VOID; }
+ if (keyinput->key_mode == 0)
+ return_VOID;
hkey_num = hinf & 0xf;
- if (( 0 > hkey_num ) ||
+ if ((0 > hkey_num) ||
(hkey_num > ARRAY_SIZE(key_map))) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"hotkey number out of range: %d\n",
@@ -645,12 +665,13 @@ static int acpi_pcc_hotkey_get_key(struct acpi_hotkey *hotkey)
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_get_key");
- status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY, NULL, &result);
- if (likely(ACPI_SUCCESS(status))) {
+ status = acpi_evaluate_integer(hotkey->handle, METHOD_HKEY_QUERY,
+ NULL, &result);
+ if (likely(ACPI_SUCCESS(status)))
hotkey->status = result;
- } else {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "error getting hotkey status\n"));
- }
+ else
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "error getting hotkey status\n"));
return_VALUE(status == AE_OK);
}
@@ -661,11 +682,13 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_notify");
- switch(event) {
+ switch (event) {
case HKEY_NOTIFY:
if (acpi_pcc_hotkey_get_key(hotkey)) {
- /* generate event like '"pcc HKEY 00000080 00000084"' when Fn+F4 pressed */
- acpi_bus_generate_proc_event(hotkey->device, event, hotkey->status);
+ /* generate event like '"pcc HKEY 00000080 00000084"'
+ * when Fn+F4 pressed */
+ acpi_bus_generate_proc_event(hotkey->device, event,
+ hotkey->status);
}
acpi_pcc_generete_keyinput(hotkey);
break;
@@ -680,75 +703,96 @@ void acpi_pcc_hotkey_notify(acpi_handle handle, u32 event, void *data)
FS Interface (/proc)
************************************************************************* */
/* oepn proc file fs*/
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
-SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs, acpi_pcc_ac_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs, acpi_pcc_ac_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs, acpi_pcc_dc_brightness_max_show);
-SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs, acpi_pcc_dc_brightness_min_show);
-SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
-SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
-SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
-SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
-SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
-
-typedef struct file_operations fops_t;
-static fops_t acpi_pcc_numbatteries_fops = SEQ_FILEOPS_R (acpi_pcc_numbatteries_open_fs);
-static fops_t acpi_pcc_lcdtype_fops = SEQ_FILEOPS_R (acpi_pcc_lcdtype_open_fs);
-static fops_t acpi_pcc_mute_fops = SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
-static fops_t acpi_pcc_ac_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs, acpi_pcc_write_ac_brightness);
-static fops_t acpi_pcc_ac_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_max_open_fs);
-static fops_t acpi_pcc_ac_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_ac_brightness_min_open_fs);
-static fops_t acpi_pcc_dc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs, acpi_pcc_write_dc_brightness);
-static fops_t acpi_pcc_dc_brightness_max_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_max_open_fs);
-static fops_t acpi_pcc_dc_brightness_min_fops = SEQ_FILEOPS_R (acpi_pcc_dc_brightness_min_open_fs);
-static fops_t acpi_pcc_brightness_fops = SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs, acpi_pcc_write_no_brightness);
-static fops_t acpi_pcc_sticky_key_fops = SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
-static fops_t acpi_pcc_keyinput_fops = SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
-static fops_t acpi_pcc_version_fops = SEQ_FILEOPS_R (acpi_pcc_version_open_fs);
-
-typedef struct _ProcItem
-{
- const char* name;
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_open_fs, acpi_pcc_dc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_numbatteries_open_fs, acpi_pcc_numbatteries_show);
+SEQ_OPEN_FS(acpi_pcc_lcdtype_open_fs, acpi_pcc_lcdtype_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_max_open_fs,
+ acpi_pcc_ac_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_min_open_fs,
+ acpi_pcc_ac_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_ac_brightness_open_fs, acpi_pcc_ac_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_max_open_fs,
+ acpi_pcc_dc_brightness_max_show);
+SEQ_OPEN_FS(acpi_pcc_dc_brightness_min_open_fs,
+ acpi_pcc_dc_brightness_min_show);
+SEQ_OPEN_FS(acpi_pcc_brightness_open_fs, acpi_pcc_brightness_show);
+SEQ_OPEN_FS(acpi_pcc_mute_open_fs, acpi_pcc_mute_show);
+SEQ_OPEN_FS(acpi_pcc_version_open_fs, acpi_pcc_version_show);
+SEQ_OPEN_FS(acpi_pcc_keyinput_open_fs, acpi_pcc_keyinput_show);
+SEQ_OPEN_FS(acpi_pcc_sticky_key_open_fs, acpi_pcc_sticky_key_show);
+
+static struct file_operations acpi_pcc_numbatteries_fops =
+ SEQ_FILEOPS_R(acpi_pcc_numbatteries_open_fs);
+static struct file_operations acpi_pcc_lcdtype_fops =
+ SEQ_FILEOPS_R(acpi_pcc_lcdtype_open_fs);
+static struct file_operations acpi_pcc_mute_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_mute_open_fs, acpi_pcc_write_mute);
+static struct file_operations acpi_pcc_ac_brightness_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_ac_brightness_open_fs,
+ acpi_pcc_write_ac_brightness);
+static struct file_operations acpi_pcc_ac_brightness_max_fops =
+ SEQ_FILEOPS_R(acpi_pcc_ac_brightness_max_open_fs);
+static struct file_operations acpi_pcc_ac_brightness_min_fops =
+ SEQ_FILEOPS_R(acpi_pcc_ac_brightness_min_open_fs);
+static struct file_operations acpi_pcc_dc_brightness_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_dc_brightness_open_fs,
+ acpi_pcc_write_dc_brightness);
+static struct file_operations acpi_pcc_dc_brightness_max_fops =
+ SEQ_FILEOPS_R(acpi_pcc_dc_brightness_max_open_fs);
+static struct file_operations acpi_pcc_dc_brightness_min_fops =
+ SEQ_FILEOPS_R(acpi_pcc_dc_brightness_min_open_fs);
+static struct file_operations acpi_pcc_brightness_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_brightness_open_fs,
+ acpi_pcc_write_no_brightness);
+static struct file_operations acpi_pcc_sticky_key_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_sticky_key_open_fs, acpi_pcc_write_sticky_key);
+static struct file_operations acpi_pcc_keyinput_fops =
+ SEQ_FILEOPS_RW(acpi_pcc_keyinput_open_fs, acpi_pcc_write_keyinput);
+static struct file_operations acpi_pcc_version_fops =
+ SEQ_FILEOPS_R(acpi_pcc_version_open_fs);
+
+struct proc_item {
+ const char *name;
struct file_operations *fops;
mode_t flag;
-} ProcItem;
+};
/* Note: These functions map *exactly* to the SINF/SSET functions */
-ProcItem acpi_pcc_proc_items_sifr[] = {
- { "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
- { "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
- { "ac_brightness_max" , &acpi_pcc_ac_brightness_max_fops,S_IRUGO },
- { "ac_brightness_min" , &acpi_pcc_ac_brightness_min_fops,S_IRUGO },
- { "ac_brightness" , &acpi_pcc_ac_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
- { "dc_brightness_max" , &acpi_pcc_dc_brightness_max_fops,S_IRUGO },
- { "dc_brightness_min" , &acpi_pcc_dc_brightness_min_fops,S_IRUGO },
- { "dc_brightness" , &acpi_pcc_dc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
- { "brightness" , &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR },
- { "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
+struct proc_item acpi_pcc_proc_items_sifr[] = {
+ { "num_batteries", &acpi_pcc_numbatteries_fops, S_IRUGO },
+ { "lcd_type", &acpi_pcc_lcdtype_fops, S_IRUGO },
+ { "ac_brightness_max", &acpi_pcc_ac_brightness_max_fops, S_IRUGO },
+ { "ac_brightness_min", &acpi_pcc_ac_brightness_min_fops, S_IRUGO },
+ { "ac_brightness", &acpi_pcc_ac_brightness_fops,
+ S_IFREG | S_IRUGO | S_IWUSR },
+ { "dc_brightness_max", &acpi_pcc_dc_brightness_max_fops, S_IRUGO },
+ { "dc_brightness_min", &acpi_pcc_dc_brightness_min_fops, S_IRUGO },
+ { "dc_brightness", &acpi_pcc_dc_brightness_fops,
+ S_IFREG | S_IRUGO | S_IWUSR },
+ { "brightness", &acpi_pcc_brightness_fops, S_IFREG | S_IRUGO | S_IWUSR},
+ { "mute", &acpi_pcc_mute_fops, S_IFREG | S_IRUGO | S_IWUSR },
{ NULL, NULL, 0 },
};
-ProcItem acpi_pcc_proc_items[] = {
- { "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR },
- { "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
- { "version", &acpi_pcc_version_fops, S_IRUGO },
+struct proc_item acpi_pcc_proc_items[] = {
+ { "sticky_key", &acpi_pcc_sticky_key_fops, S_IFREG | S_IRUGO | S_IWUSR},
+ { "keyinput", &acpi_pcc_keyinput_fops, S_IFREG | S_IRUGO | S_IWUSR },
+ { "version", &acpi_pcc_version_fops, S_IRUGO },
{ NULL, NULL, 0 },
};
static int __devinit acpi_pcc_add_device(struct acpi_device *device,
- ProcItem *proc_items,
+ struct proc_item *proc_items,
int num)
{
- struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
- struct proc_dir_entry* proc;
- ProcItem* item;
+ struct acpi_hotkey *hotkey = acpi_driver_data(device);
+ struct proc_dir_entry *proc;
+ struct proc_item *item;
int i;
for (item = proc_items, i = 0; item->name && i < num; ++item, ++i) {
- proc = create_proc_entry(item->name, item->flag, hotkey->proc_dir_entry);
+ proc = create_proc_entry(item->name, item->flag,
+ hotkey->proc_dir_entry);
if (likely(proc)) {
proc->proc_fops = item->fops;
proc->data = hotkey;
@@ -756,7 +800,8 @@ static int __devinit acpi_pcc_add_device(struct acpi_device *device,
} else {
while (i-- > 0) {
item--;
- remove_proc_entry(item->name, hotkey->proc_dir_entry);
+ remove_proc_entry(item->name,
+ hotkey->proc_dir_entry);
}
return_VALUE(-ENODEV);
}
@@ -767,7 +812,7 @@ static int __devinit acpi_pcc_add_device(struct acpi_device *device,
static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
{
struct proc_dir_entry *acpi_pcc_dir;
- struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
+ struct acpi_hotkey *hotkey = acpi_driver_data(device);
acpi_status status;
ACPI_FUNCTION_TRACE("acpi_pcc_proc_init");
@@ -775,15 +820,18 @@ static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
acpi_pcc_dir = proc_mkdir(PROC_PCC, acpi_root_dir);
if (unlikely(!acpi_pcc_dir)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't create dir in /proc\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't create dir in /proc\n"));
return_VALUE(-ENODEV);
}
acpi_pcc_dir->owner = THIS_MODULE;
hotkey->proc_dir_entry = acpi_pcc_dir;
- status = acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
- status |= acpi_pcc_add_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
+ status = acpi_pcc_add_device(device, acpi_pcc_proc_items_sifr,
+ hotkey->num_sifr);
+ status |= acpi_pcc_add_device(device, acpi_pcc_proc_items,
+ ARRAY_SIZE(acpi_pcc_proc_items));
if (unlikely(status)) {
remove_proc_entry(PROC_PCC, acpi_root_dir);
hotkey->proc_dir_entry = NULL;
@@ -794,14 +842,16 @@ static int __devinit acpi_pcc_proc_init(struct acpi_device *device)
}
static void __devexit acpi_pcc_remove_device(struct acpi_device *device,
- ProcItem *proc_items,
+ struct proc_item *proc_items,
int num)
{
- struct acpi_hotkey *hotkey = (struct acpi_hotkey*)acpi_driver_data(device);
- ProcItem* item;
+ struct acpi_hotkey *hotkey = acpi_driver_data(device);
+ struct proc_item *item;
int i;
- for (item = proc_items, i = 0; item->name != NULL && i < num; ++item, ++i) {
+ for (item = proc_items, i = 0;
+ item->name != NULL && i < num;
+ ++item, ++i) {
remove_proc_entry(item->name, hotkey->proc_dir_entry);
}
@@ -819,14 +869,18 @@ static int acpi_pcc_hotkey_resume(struct acpi_device *device)
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_resume");
- if (device == NULL || hotkey == NULL) { return_VALUE(-EINVAL); }
+ if (device == NULL || hotkey == NULL)
+ return_VALUE(-EINVAL);
if (hotkey->num_sifr != 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n", hotkey->sticky_mode));
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Sticky mode restore: %d\n",
+ hotkey->sticky_mode));
- status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY, hotkey->sticky_mode);
+ status = acpi_pcc_write_sset(hotkey, SINF_STICKY_KEY,
+ hotkey->sticky_mode);
}
- if (status != AE_OK) { return_VALUE(-EINVAL); }
+ if (status != AE_OK)
+ return_VALUE(-EINVAL);
return_VALUE(0);
}
@@ -848,14 +902,16 @@ static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
hotk_input_dev = input_allocate_device();
if (hotk_input_dev == NULL) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate input device for hotkey"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't allocate input device for hotkey"));
goto err_input;
}
pcc_keyinput = kcalloc(1, sizeof(struct pcc_keyinput), GFP_KERNEL);
if (pcc_keyinput == NULL) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for private data"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't allocate mem for private data"));
goto err_pcc;
}
@@ -886,9 +942,8 @@ static int __devinit acpi_pcc_init_input(struct acpi_hotkey *hotkey)
error = input_register_device(hotk_input_dev);
- if (error) {
+ if (error)
goto err_pcc;
- }
return_VALUE(0);
@@ -921,7 +976,7 @@ static void __devexit acpi_pcc_remove_input(struct acpi_hotkey *hotkey)
/* -------------------------------------------------------------------------
ACPI
------------------------------------------------------------------------- */
-static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
+static int __devinit acpi_pcc_hotkey_add(struct acpi_device *device)
{
acpi_status status = AE_OK;
struct acpi_hotkey *hotkey = NULL;
@@ -929,9 +984,8 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_add");
- if (device == NULL) {
+ if (device == NULL)
return_VALUE(-EINVAL);
- }
sifr_status = acpi_pcc_get_sqty(device);
@@ -949,7 +1003,8 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
hotkey = kcalloc(1, sizeof(struct acpi_hotkey), GFP_KERNEL);
if (hotkey == NULL) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Couldn't allocate mem for hotkey"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Couldn't allocate mem for hotkey"));
return_VALUE(-ENOMEM);
}
@@ -966,14 +1021,16 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
hotkey);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing notify handler\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error installing notify handler\n"));
kfree(hotkey);
return_VALUE(-ENODEV);
}
result = acpi_pcc_init_input(hotkey);
if (result != 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error installing keyinput handler\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error installing keyinput handler\n"));
kfree(hotkey);
return_VALUE(result);
}
@@ -981,20 +1038,22 @@ static int __devinit acpi_pcc_hotkey_add (struct acpi_device *device)
return_VALUE(acpi_pcc_proc_init(device));
}
-static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type)
+static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device,
+ int type)
{
acpi_status status = AE_OK;
struct acpi_hotkey *hotkey = acpi_driver_data(device);
ACPI_FUNCTION_TRACE("acpi_pcc_hotkey_remove");
- if (!device || !hotkey) {
+ if (!device || !hotkey)
return_VALUE(-EINVAL);
- }
if (hotkey->proc_dir_entry) {
- acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr, hotkey->num_sifr);
- acpi_pcc_remove_device(device, acpi_pcc_proc_items, ARRAY_SIZE(acpi_pcc_proc_items));
+ acpi_pcc_remove_device(device, acpi_pcc_proc_items_sifr,
+ hotkey->num_sifr);
+ acpi_pcc_remove_device(device, acpi_pcc_proc_items,
+ ARRAY_SIZE(acpi_pcc_proc_items));
remove_proc_entry(PROC_PCC, acpi_root_dir);
}
@@ -1002,13 +1061,12 @@ static int __devexit acpi_pcc_hotkey_remove(struct acpi_device *device, int type
ACPI_DEVICE_NOTIFY, acpi_pcc_hotkey_notify);
if (ACPI_FAILURE(status)) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error removing notify handler\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error removing notify handler\n"));
}
acpi_pcc_remove_input(hotkey);
- if (hotkey != NULL) {
- kfree(hotkey);
- }
+ kfree(hotkey);
return_VALUE(status == AE_OK);
}
@@ -1030,7 +1088,8 @@ static int __init acpi_pcc_init(void)
result = acpi_bus_register_driver(&acpi_pcc_driver);
if (result < 0) {
- ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error registering hotkey driver\n"));
+ ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
+ "Error registering hotkey driver\n"));
return_VALUE(-ENODEV);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 20:35:01 +0000