diff options
| -rw-r--r-- | drivers/net/wireless/wl12xx/debugfs.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/net/wireless/wl12xx/debugfs.c b/drivers/net/wireless/wl12xx/debugfs.c index 4dcb3f758fe2..15353fac0707 100644 --- a/drivers/net/wireless/wl12xx/debugfs.c +++ b/drivers/net/wireless/wl12xx/debugfs.c @@ -625,6 +625,64 @@ static const struct file_operations dtim_interval_ops = { .llseek = default_llseek, }; + + +static ssize_t suspend_dtim_interval_read(struct file *file, + char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + u8 value; + + if (wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_DTIM || + wl->conf.conn.suspend_wake_up_event == CONF_WAKE_UP_EVENT_N_DTIM) + value = wl->conf.conn.suspend_listen_interval; + else + value = 0; + + return wl1271_format_buffer(user_buf, count, ppos, "%d\n", value); +} + +static ssize_t suspend_dtim_interval_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + unsigned long value; + int ret; + + ret = kstrtoul_from_user(user_buf, count, 10, &value); + if (ret < 0) { + wl1271_warning("illegal value for suspend_dtim_interval"); + return -EINVAL; + } + + if (value < 1 || value > 10) { + wl1271_warning("suspend_dtim value is not in valid range"); + return -ERANGE; + } + + mutex_lock(&wl->mutex); + + wl->conf.conn.suspend_listen_interval = value; + /* for some reason there are different event types for 1 and >1 */ + if (value == 1) + wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_DTIM; + else + wl->conf.conn.suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM; + + mutex_unlock(&wl->mutex); + return count; +} + + +static const struct file_operations suspend_dtim_interval_ops = { + .read = suspend_dtim_interval_read, + .write = suspend_dtim_interval_write, + .open = wl1271_open_file_generic, + .llseek = default_llseek, +}; + static ssize_t beacon_interval_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -949,6 +1007,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(driver_state, rootdir); DEBUGFS_ADD(vifs_state, rootdir); DEBUGFS_ADD(dtim_interval, rootdir); + DEBUGFS_ADD(suspend_dtim_interval, rootdir); DEBUGFS_ADD(beacon_interval, rootdir); DEBUGFS_ADD(beacon_filtering, rootdir); DEBUGFS_ADD(dynamic_ps_timeout, rootdir); |
