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authorPali Rohár <pali.rohar@gmail.com>2011-11-01 01:43:09 +0100
committerAnton Vorontsov <cbouatmailru@gmail.com>2011-11-26 00:00:52 +0400
commitc6cd4f267d442f2ce279024adb03a69e8608e0f6 (patch)
treeef55415b14c002235cfdefc9b7f9c6a2e026a2da /drivers/power/bq27x00_battery.c
parent270968c0984aeed096da3cfffb0e131f4c416166 (diff)
downloadblackbird-op-linux-c6cd4f267d442f2ce279024adb03a69e8608e0f6.tar.gz
blackbird-op-linux-c6cd4f267d442f2ce279024adb03a69e8608e0f6.zip
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>
Diffstat (limited to 'drivers/power/bq27x00_battery.c')
-rw-r--r--drivers/power/bq27x00_battery.c21
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;
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