diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/apm-emulation.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c index 17d54315e14..cdd876dbb2b 100644 --- a/drivers/char/apm-emulation.c +++ b/drivers/char/apm-emulation.c @@ -14,6 +14,7 @@ #include <linux/poll.h> #include <linux/slab.h> #include <linux/proc_fs.h> +#include <linux/seq_file.h> #include <linux/miscdevice.h> #include <linux/apm_bios.h> #include <linux/capability.h> @@ -493,11 +494,10 @@ static struct miscdevice apm_device = { * -1: Unknown * 8) min = minutes; sec = seconds */ -static int apm_get_info(char *buf, char **start, off_t fpos, int length) +static int proc_apm_show(struct seq_file *m, void *v) { struct apm_power_info info; char *units; - int ret; info.ac_line_status = 0xff; info.battery_status = 0xff; @@ -515,14 +515,27 @@ static int apm_get_info(char *buf, char **start, off_t fpos, int length) case 1: units = "sec"; break; } - ret = sprintf(buf, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", + seq_printf(m, "%s 1.2 0x%02x 0x%02x 0x%02x 0x%02x %d%% %d %s\n", driver_version, APM_32_BIT_SUPPORT, info.ac_line_status, info.battery_status, info.battery_flag, info.battery_life, info.time, units); - return ret; + return 0; } + +static int proc_apm_open(struct inode *inode, struct file *file) +{ + return single_open(file, proc_apm_show, NULL); +} + +static const struct file_operations apm_proc_fops = { + .owner = THIS_MODULE, + .open = proc_apm_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; #endif static int kapmd(void *arg) @@ -593,7 +606,7 @@ static int __init apm_init(void) wake_up_process(kapmd_tsk); #ifdef CONFIG_PROC_FS - create_proc_info_entry("apm", 0, NULL, apm_get_info); + proc_create("apm", 0, NULL, &apm_proc_fops); #endif ret = misc_register(&apm_device); |