bq27x00_battery: Fix reporting error messages

* Do not be noise if battery is not calibrated (use dev_dbg)

Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com>

1 files changed, 14 insertions, 7 deletions

diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index c4c403e5542c..82ab6ca45f58 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -155,7 +155,7 @@ static int bq27x00_battery_read_rsoc(struct bq27x00_device_info *di)
                 rsoc = bq27x00_read(di, BQ27000_REG_RSOC, true);
 
         if (rsoc < 0)
-                dev_err(di->dev, "error reading relative State-of-Charge\n");
+                dev_dbg(di->dev, "error reading relative State-of-Charge\n");
 
         return rsoc;
 }
@@ -170,7 +170,8 @@ static int bq27x00_battery_read_charge(struct bq27x00_device_info *di, u8 reg)
 
         charge = bq27x00_read(di, reg, false);
         if (charge < 0) {
-                dev_err(di->dev, "error reading nominal available capacity\n");
+                dev_dbg(di->dev, "error reading charge register %02x: %d\n",
+                        reg, charge);
                 return charge;
         }
 
@@ -214,7 +215,7 @@ static int bq27x00_battery_read_ilmd(struct bq27x00_device_info *di)
                 ilmd = bq27x00_read(di, BQ27000_REG_ILMD, true);
 
         if (ilmd < 0) {
-                dev_err(di->dev, "error reading initial last measured discharge\n");
+                dev_dbg(di->dev, "error reading initial last measured discharge\n");
                 return ilmd;
         }
 
@@ -236,7 +237,7 @@ static int bq27x00_battery_read_energy(struct bq27x00_device_info *di)
 
         ae = bq27x00_read(di, BQ27x00_REG_AE, false);
         if (ae < 0) {
-                dev_err(di->dev, "error reading available energy\n");
+                dev_dbg(di->dev, "error reading available energy\n");
                 return ae;
         }
 
@@ -295,7 +296,8 @@ static int bq27x00_battery_read_time(struct bq27x00_device_info *di, u8 reg)
 
         tval = bq27x00_read(di, reg, false);
         if (tval < 0) {
-                dev_err(di->dev, "error reading register %02x: %d\n", reg, tval);
+                dev_dbg(di->dev, "error reading time register %02x: %d\n",
+                        reg, tval);
                 return tval;
         }
 
@@ -313,6 +315,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
         cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, is_bq27500);
         if (cache.flags >= 0) {
                 if (!is_bq27500 && (cache.flags & BQ27000_FLAG_CI)) {
+                        dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n");
                         cache.capacity = -ENODATA;
                         cache.energy = -ENODATA;
                         cache.time_to_empty = -ENODATA;
@@ -369,8 +372,10 @@ static int bq27x00_battery_current(struct bq27x00_device_info *di,
         int flags;
 
         curr = bq27x00_read(di, BQ27x00_REG_AI, false);
-        if (curr < 0)
+        if (curr < 0) {
+                dev_err(di->dev, "error reading current\n");
                 return curr;
+        }
 
         if (di->chip == BQ27500) {
                 /* bq27500 returns signed value */
@@ -460,8 +465,10 @@ static int bq27x00_battery_voltage(struct bq27x00_device_info *di,
         int volt;
 
         volt = bq27x00_read(di, BQ27x00_REG_VOLT, false);
-        if (volt < 0)
+        if (volt < 0) {
+                dev_err(di->dev, "error reading voltage\n");
                 return volt;
+        }
 
         val->intval = volt * 1000;