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wl12xx: add split_scan_timeout debugfs file 

Add control over split_scan_timeout through
debugfs. Values are in ms while 0 will disable split scan.

Signed-off-by: Eyal Shapira <eyal@wizey.com>
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
This commit is contained in:
Eyal Shapira 2012-02-02 13:54:29 +02:00 committed by Luciano Coelho
parent d647f2dd1a
commit f95f9aad15
1 changed files with 43 additions and 0 deletions
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43
drivers/net/wireless/wl12xx/debugfs.c
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@ -445,6 +445,48 @@ static const struct file_operations forced_ps_ops = {
.llseek = default_llseek,
};
static ssize_t split_scan_timeout_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct wl1271 *wl = file->private_data;
return wl1271_format_buffer(user_buf, count,
ppos, "%d\n",
wl->conf.scan.split_scan_timeout / 1000);
}
static ssize_t split_scan_timeout_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 in split_scan_timeout");
return -EINVAL;
}
if (value == 0)
wl1271_info("split scan will be disabled");
mutex_lock(&wl->mutex);
wl->conf.scan.split_scan_timeout = value * 1000;
mutex_unlock(&wl->mutex);
return count;
}
static const struct file_operations split_scan_timeout_ops = {
.read = split_scan_timeout_read,
.write = split_scan_timeout_write,
.open = wl1271_open_file_generic,
.llseek = default_llseek,
};
static ssize_t driver_state_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@ -1082,6 +1124,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl,
DEBUGFS_ADD(beacon_filtering, rootdir);
DEBUGFS_ADD(dynamic_ps_timeout, rootdir);
DEBUGFS_ADD(forced_ps, rootdir);
DEBUGFS_ADD(split_scan_timeout, rootdir);
streaming = debugfs_create_dir("rx_streaming", rootdir);
if (!streaming || IS_ERR(streaming))