asus_acpi: convert to seq_file
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Corentin Chary <corentincj@iksaif.net> Cc: Karol Kozimor <sziwan@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Dobriyan
Len Brown
Родитель
2370b5ed03
Коммит
ff93be5dea
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@ -35,6 +35,7 @@
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/backlight.h>
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#include <acpi/acpi_drivers.h>
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#include <acpi/acpi_bus.h>
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@ -513,26 +514,12 @@ static int read_acpi_int(acpi_handle handle, const char *method, int *val)
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return (status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER);
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}
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/*
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* We write our info in page, we begin at offset off and cannot write more
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* than count bytes. We set eof to 1 if we handle those 2 values. We return the
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* number of bytes written in page
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*/
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static int
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proc_read_info(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int asus_info_proc_show(struct seq_file *m, void *v)
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{
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int len = 0;
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int temp;
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char buf[16]; /* enough for all info */
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/*
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* We use the easy way, we don't care of off and count,
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* so we don't set eof to 1
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*/
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len += sprintf(page, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
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len += sprintf(page + len, "Model reference : %s\n",
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hotk->methods->name);
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seq_printf(m, ACPI_HOTK_NAME " " ASUS_ACPI_VERSION "\n");
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seq_printf(m, "Model reference : %s\n", hotk->methods->name);
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/*
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* The SFUN method probably allows the original driver to get the list
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* of features supported by a given model. For now, 0x0100 or 0x0800
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@ -540,8 +527,7 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
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* The significance of others is yet to be found.
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*/
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if (read_acpi_int(hotk->handle, "SFUN", &temp))
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len +=
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sprintf(page + len, "SFUN value : 0x%04x\n", temp);
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seq_printf(m, "SFUN value : 0x%04x\n", temp);
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/*
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* Another value for userspace: the ASYM method returns 0x02 for
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* battery low and 0x04 for battery critical, its readings tend to be
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@ -550,30 +536,34 @@ proc_read_info(char *page, char **start, off_t off, int count, int *eof,
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* silently ignored.
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*/
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if (read_acpi_int(hotk->handle, "ASYM", &temp))
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len +=
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sprintf(page + len, "ASYM value : 0x%04x\n", temp);
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seq_printf(m, "ASYM value : 0x%04x\n", temp);
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if (asus_info) {
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snprintf(buf, 16, "%d", asus_info->length);
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len += sprintf(page + len, "DSDT length : %s\n", buf);
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snprintf(buf, 16, "%d", asus_info->checksum);
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len += sprintf(page + len, "DSDT checksum : %s\n", buf);
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snprintf(buf, 16, "%d", asus_info->revision);
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len += sprintf(page + len, "DSDT revision : %s\n", buf);
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snprintf(buf, 7, "%s", asus_info->oem_id);
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len += sprintf(page + len, "OEM id : %s\n", buf);
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snprintf(buf, 9, "%s", asus_info->oem_table_id);
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len += sprintf(page + len, "OEM table id : %s\n", buf);
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snprintf(buf, 16, "%x", asus_info->oem_revision);
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len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
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snprintf(buf, 5, "%s", asus_info->asl_compiler_id);
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len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
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snprintf(buf, 16, "%x", asus_info->asl_compiler_revision);
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len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
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seq_printf(m, "DSDT length : %d\n", asus_info->length);
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seq_printf(m, "DSDT checksum : %d\n", asus_info->checksum);
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seq_printf(m, "DSDT revision : %d\n", asus_info->revision);
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seq_printf(m, "OEM id : %.*s\n", ACPI_OEM_ID_SIZE, asus_info->oem_id);
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seq_printf(m, "OEM table id : %.*s\n", ACPI_OEM_TABLE_ID_SIZE, asus_info->oem_table_id);
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seq_printf(m, "OEM revision : 0x%x\n", asus_info->oem_revision);
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seq_printf(m, "ASL comp vendor id : %.*s\n", ACPI_NAME_SIZE, asus_info->asl_compiler_id);
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seq_printf(m, "ASL comp revision : 0x%x\n", asus_info->asl_compiler_revision);
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}
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return len;
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return 0;
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}
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static int asus_info_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, asus_info_proc_show, NULL);
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}
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static const struct file_operations asus_info_proc_fops = {
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.owner = THIS_MODULE,
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.open = asus_info_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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/*
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* /proc handlers
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* We write our info in page, we begin at offset off and cannot write more
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@ -639,34 +629,48 @@ write_led(const char __user *buffer, unsigned long count,
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/*
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* Proc handlers for MLED
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*/
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static int
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proc_read_mled(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int mled_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n",
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read_led(hotk->methods->mled_status, MLED_ON));
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seq_printf(m, "%d\n", read_led(hotk->methods->mled_status, MLED_ON));
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return 0;
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}
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static int
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proc_write_mled(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int mled_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, mled_proc_show, NULL);
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}
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static ssize_t mled_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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return write_led(buffer, count, hotk->methods->mt_mled, MLED_ON, 1);
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}
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static const struct file_operations mled_proc_fops = {
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.owner = THIS_MODULE,
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.open = mled_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = mled_proc_write,
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};
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/*
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* Proc handlers for LED display
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*/
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static int
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proc_read_ledd(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int ledd_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "0x%08x\n", hotk->ledd_status);
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seq_printf(m, "0x%08x\n", hotk->ledd_status);
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return 0;
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}
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static int
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proc_write_ledd(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int ledd_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, ledd_proc_show, NULL);
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}
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static ssize_t ledd_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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int rv, value;
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@ -682,61 +686,104 @@ proc_write_ledd(struct file *file, const char __user *buffer,
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return rv;
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}
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static const struct file_operations ledd_proc_fops = {
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.owner = THIS_MODULE,
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.open = ledd_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = ledd_proc_write,
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};
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/*
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* Proc handlers for WLED
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*/
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static int
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proc_read_wled(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int wled_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n",
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read_led(hotk->methods->wled_status, WLED_ON));
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seq_printf(m, "%d\n", read_led(hotk->methods->wled_status, WLED_ON));
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return 0;
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}
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static int
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proc_write_wled(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int wled_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, wled_proc_show, NULL);
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}
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static ssize_t wled_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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return write_led(buffer, count, hotk->methods->mt_wled, WLED_ON, 0);
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}
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static const struct file_operations wled_proc_fops = {
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.owner = THIS_MODULE,
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.open = wled_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = wled_proc_write,
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};
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/*
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* Proc handlers for Bluetooth
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*/
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static int
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proc_read_bluetooth(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int bluetooth_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
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seq_printf(m, "%d\n", read_led(hotk->methods->bt_status, BT_ON));
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return 0;
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}
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static int
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proc_write_bluetooth(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int bluetooth_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, bluetooth_proc_show, NULL);
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}
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static ssize_t bluetooth_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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/* Note: mt_bt_switch controls both internal Bluetooth adapter's
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presence and its LED */
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return write_led(buffer, count, hotk->methods->mt_bt_switch, BT_ON, 0);
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}
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static const struct file_operations bluetooth_proc_fops = {
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.owner = THIS_MODULE,
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.open = bluetooth_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = bluetooth_proc_write,
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};
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/*
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* Proc handlers for TLED
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*/
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static int
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proc_read_tled(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int tled_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n",
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read_led(hotk->methods->tled_status, TLED_ON));
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seq_printf(m, "%d\n", read_led(hotk->methods->tled_status, TLED_ON));
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return 0;
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}
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static int
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proc_write_tled(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int tled_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, tled_proc_show, NULL);
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}
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static ssize_t tled_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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return write_led(buffer, count, hotk->methods->mt_tled, TLED_ON, 0);
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}
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static const struct file_operations tled_proc_fops = {
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.owner = THIS_MODULE,
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.open = tled_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = tled_proc_write,
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};
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static int get_lcd_state(void)
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{
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int lcd = 0;
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@ -829,16 +876,19 @@ static int set_lcd_state(int value)
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}
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static int
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proc_read_lcd(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int lcd_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n", get_lcd_state());
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seq_printf(m, "%d\n", get_lcd_state());
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return 0;
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}
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static int
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proc_write_lcd(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int lcd_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, lcd_proc_show, NULL);
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}
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static ssize_t lcd_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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int rv, value;
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@ -848,6 +898,15 @@ proc_write_lcd(struct file *file, const char __user *buffer,
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return rv;
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}
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static const struct file_operations lcd_proc_fops = {
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.owner = THIS_MODULE,
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.open = lcd_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = lcd_proc_write,
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};
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static int read_brightness(struct backlight_device *bd)
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{
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int value;
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@ -907,16 +966,19 @@ static int set_brightness_status(struct backlight_device *bd)
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return set_brightness(bd->props.brightness);
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}
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static int
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proc_read_brn(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int brn_proc_show(struct seq_file *m, void *v)
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{
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return sprintf(page, "%d\n", read_brightness(NULL));
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seq_printf(m, "%d\n", read_brightness(NULL));
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return 0;
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}
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static int
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proc_write_brn(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static int brn_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, brn_proc_show, NULL);
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}
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static ssize_t brn_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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int rv, value;
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@ -929,6 +991,15 @@ proc_write_brn(struct file *file, const char __user *buffer,
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return rv;
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}
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static const struct file_operations brn_proc_fops = {
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.owner = THIS_MODULE,
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.open = brn_proc_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.write = brn_proc_write,
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};
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static void set_display(int value)
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{
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/* no sanity check needed for now */
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@ -942,9 +1013,7 @@ static void set_display(int value)
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* Now, *this* one could be more user-friendly, but so far, no-one has
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* complained. The significance of bits is the same as in proc_write_disp()
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*/
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static int
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proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
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void *data)
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static int disp_proc_show(struct seq_file *m, void *v)
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{
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int value = 0;
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@ -952,7 +1021,13 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
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printk(KERN_WARNING
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"Asus ACPI: Error reading display status\n");
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value &= 0x07; /* needed for some models, shouldn't hurt others */
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return sprintf(page, "%d\n", value);
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seq_printf(m, "%d\n", value);
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return 0;
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}
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static int disp_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, disp_proc_show, NULL);
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}
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/*
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@ -961,9 +1036,8 @@ proc_read_disp(char *page, char **start, off_t off, int count, int *eof,
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* (bitwise) of these will suffice. I never actually tested 3 displays hooked
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* up simultaneously, so be warned. See the acpi4asus README for more info.
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*/
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static int
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proc_write_disp(struct file *file, const char __user *buffer,
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unsigned long count, void *data)
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static ssize_t disp_proc_write(struct file *file, const char __user *buffer,
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size_t count, loff_t *pos)
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{
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int rv, value;
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@ -973,25 +1047,27 @@ proc_write_disp(struct file *file, const char __user *buffer,
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return rv;
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}
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||||
|
||||
typedef int (proc_readfunc) (char *page, char **start, off_t off, int count,
|
||||
int *eof, void *data);
|
||||
typedef int (proc_writefunc) (struct file *file, const char __user *buffer,
|
||||
unsigned long count, void *data);
|
||||
static const struct file_operations disp_proc_fops = {
|
||||
.owner = THIS_MODULE,
|
||||
.open = disp_proc_open,
|
||||
.read = seq_read,
|
||||
.llseek = seq_lseek,
|
||||
.release = single_release,
|
||||
.write = disp_proc_write,
|
||||
};
|
||||
|
||||
static int
|
||||
asus_proc_add(char *name, proc_writefunc *writefunc,
|
||||
proc_readfunc *readfunc, mode_t mode,
|
||||
asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode,
|
||||
struct acpi_device *device)
|
||||
{
|
||||
struct proc_dir_entry *proc =
|
||||
create_proc_entry(name, mode, acpi_device_dir(device));
|
||||
struct proc_dir_entry *proc;
|
||||
|
||||
proc = proc_create_data(name, mode, acpi_device_dir(device),
|
||||
proc_fops, acpi_driver_data(device));
|
||||
if (!proc) {
|
||||
printk(KERN_WARNING " Unable to create %s fs entry\n", name);
|
||||
return -1;
|
||||
}
|
||||
proc->write_proc = writefunc;
|
||||
proc->read_proc = readfunc;
|
||||
proc->data = acpi_driver_data(device);
|
||||
proc->uid = asus_uid;
|
||||
proc->gid = asus_gid;
|
||||
return 0;
|
||||
|
|
@ -1020,10 +1096,9 @@ static int asus_hotk_add_fs(struct acpi_device *device)
|
|||
if (!acpi_device_dir(device))
|
||||
return -ENODEV;
|
||||
|
||||
proc = create_proc_entry(PROC_INFO, mode, acpi_device_dir(device));
|
||||
proc = proc_create(PROC_INFO, mode, acpi_device_dir(device),
|
||||
&asus_info_proc_fops);
|
||||
if (proc) {
|
||||
proc->read_proc = proc_read_info;
|
||||
proc->data = acpi_driver_data(device);
|
||||
proc->uid = asus_uid;
|
||||
proc->gid = asus_gid;
|
||||
} else {
|
||||
|
|
@ -1032,28 +1107,23 @@ static int asus_hotk_add_fs(struct acpi_device *device)
|
|||
}
|
||||
|
||||
if (hotk->methods->mt_wled) {
|
||||
asus_proc_add(PROC_WLED, &proc_write_wled, &proc_read_wled,
|
||||
mode, device);
|
||||
asus_proc_add(PROC_WLED, &wled_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_ledd) {
|
||||
asus_proc_add(PROC_LEDD, &proc_write_ledd, &proc_read_ledd,
|
||||
mode, device);
|
||||
asus_proc_add(PROC_LEDD, &ledd_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_mled) {
|
||||
asus_proc_add(PROC_MLED, &proc_write_mled, &proc_read_mled,
|
||||
mode, device);
|
||||
asus_proc_add(PROC_MLED, &mled_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_tled) {
|
||||
asus_proc_add(PROC_TLED, &proc_write_tled, &proc_read_tled,
|
||||
mode, device);
|
||||
asus_proc_add(PROC_TLED, &tled_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->mt_bt_switch) {
|
||||
asus_proc_add(PROC_BT, &proc_write_bluetooth,
|
||||
&proc_read_bluetooth, mode, device);
|
||||
asus_proc_add(PROC_BT, &bluetooth_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1061,19 +1131,16 @@ static int asus_hotk_add_fs(struct acpi_device *device)
|
|||
* accessible from the keyboard
|
||||
*/
|
||||
if (hotk->methods->mt_lcd_switch && hotk->methods->lcd_status) {
|
||||
asus_proc_add(PROC_LCD, &proc_write_lcd, &proc_read_lcd, mode,
|
||||
device);
|
||||
asus_proc_add(PROC_LCD, &lcd_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if ((hotk->methods->brightness_up && hotk->methods->brightness_down) ||
|
||||
(hotk->methods->brightness_get && hotk->methods->brightness_set)) {
|
||||
asus_proc_add(PROC_BRN, &proc_write_brn, &proc_read_brn, mode,
|
||||
device);
|
||||
asus_proc_add(PROC_BRN, &brn_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
if (hotk->methods->display_set) {
|
||||
asus_proc_add(PROC_DISP, &proc_write_disp, &proc_read_disp,
|
||||
mode, device);
|
||||
asus_proc_add(PROC_DISP, &disp_proc_fops, mode, device);
|
||||
}
|
||||
|
||||
return 0;
|
||||
|
|
|
|||
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