diff options
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/cmdline.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c index cbd82dff7e81..5a5cbdcf1c78 100644 --- a/fs/proc/cmdline.c +++ b/fs/proc/cmdline.c @@ -2,10 +2,13 @@ #include <linux/init.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> +#include <asm/setup.h> + +static char new_command_line[COMMAND_LINE_SIZE]; static int cmdline_proc_show(struct seq_file *m, void *v) { - seq_printf(m, "%s\n", saved_command_line); + seq_printf(m, "%s\n", new_command_line); return 0; } @@ -23,6 +26,28 @@ static const struct file_operations cmdline_proc_fops = { static int __init proc_cmdline_init(void) { + char *offset_addr, *cmd = new_command_line; + + strcpy(cmd, saved_command_line); + + offset_addr = strstr(cmd, "androidboot.mode=usb_chg"); + if (offset_addr) { + size_t i, len, offset; + len = strlen(cmd); + offset = offset_addr - cmd; + for (i = 1; i < (len - offset); i++) { + if (cmd[offset + i] == ' ') + break; + } + memmove(offset_addr, &cmd[offset + i + 1], len - i - offset); + + strcat(cmd, " androidboot.mode=charger"); + } else { + if (strstr(cmd, "androidboot.bootreason=usb_chg")) { + strcat(cmd, " androidboot.mode=charger"); + } + } + proc_create("cmdline", 0, NULL, &cmdline_proc_fops); return 0; } |