wil6210: add 'info' debugfs entry
Use 'info' debugfs entry for misc. assorted information.
Start with indication whether platform is AC-powered;
will use it later for power related decisions
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c
index d6acb30..8bf00ac 100644
--- a/drivers/net/wireless/ath/wil6210/debugfs.c
+++ b/drivers/net/wireless/ath/wil6210/debugfs.c
@@ -19,6 +19,7 @@
#include <linux/seq_file.h>
#include <linux/pci.h>
#include <linux/rtnetlink.h>
+#include <linux/power_supply.h>
#include "wil6210.h"
#include "txrx.h"
@@ -847,6 +848,29 @@
.llseek = seq_lseek,
};
+/*---------info------------*/
+static int wil_info_debugfs_show(struct seq_file *s, void *data)
+{
+ int is_ac = power_supply_is_system_supplied();
+
+ /* >0 : AC; 0 : battery; <0 : error */
+ seq_printf(s, "AC powered : %d\n", is_ac);
+
+ return 0;
+}
+
+static int wil_info_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, wil_info_debugfs_show, inode->i_private);
+}
+
+static const struct file_operations fops_info = {
+ .open = wil_info_seq_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek,
+};
+
/*---------Station matrix------------*/
static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r)
{
@@ -956,6 +980,7 @@
debugfs_create_file("temp", S_IRUGO, dbg, wil, &fops_temp);
debugfs_create_file("freq", S_IRUGO, dbg, wil, &fops_freq);
debugfs_create_file("link", S_IRUGO, dbg, wil, &fops_link);
+ debugfs_create_file("info", S_IRUGO, dbg, wil, &fops_info);
wil->rgf_blob.data = (void * __force)wil->csr + 0;
wil->rgf_blob.size = 0xa000;