Fix the permissions and create new attributes to dump registers
Needs to dump data into bugreport
bug: 194941806
Signed-off-by: Jenny Ho <[email protected]>
Change-Id: I142f810a66e2dc11565ca28f7988d9092c6bc509
diff --git a/max1720x_battery.c b/max1720x_battery.c
index c0b18b3..3a96ad5 100644
--- a/max1720x_battery.c
+++ b/max1720x_battery.c
@@ -3251,6 +3251,38 @@
max1720x_set_debug_data);
+
+static ssize_t max1720x_show_reg_all(struct file *filp, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct max1720x_chip *chip = (struct max1720x_chip *)filp->private_data;
+ u32 reg_address;
+ u16 data;
+ char *tmp;
+ int ret = 0, len = 0;
+
+ tmp = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ if (!tmp)
+ return -ENOMEM;
+
+ for (reg_address = 0; reg_address <= 0xFF; reg_address++) {
+ ret = REGMAP_READ(&chip->regmap, reg_address, &data);
+ if (ret < 0)
+ continue;
+
+ len += scnprintf(tmp + len, PAGE_SIZE - len, "%02x: %04x\n", reg_address, data);
+ }
+
+ if (len > 0)
+ len = simple_read_from_buffer(buf, count, ppos, tmp, strlen(tmp));
+
+ kfree(tmp);
+
+ return len;
+}
+
+BATTERY_DEBUG_ATTRIBUTE(debug_reg_all_fops, max1720x_show_reg_all, NULL);
+
/*
* TODO: add the building blocks of google capacity
*
@@ -3289,7 +3321,7 @@
&debug_reglog_writes_fops);
if (chip->gauge_type == MAX_M5_GAUGE_TYPE)
- debugfs_create_file("fg_model", 0440, de, chip,
+ debugfs_create_file("fg_model", 0444, de, chip,
&debug_m5_custom_model_fops);
debugfs_create_bool("model_ok", 0444, de, &chip->model_ok);
debugfs_create_file("sync_model", 0400, de, chip,
@@ -3302,6 +3334,9 @@
debugfs_create_u32("address", 0600, de, &chip->debug_reg_address);
debugfs_create_file("data", 0600, de, chip, &debug_reg_data_fops);
+ /* dump all registers */
+ debugfs_create_file("registers", 0444, de, chip, &debug_reg_all_fops);
+
return 0;
}
