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-rw-r--r--drivers/power/pcf50606-charger.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/power/pcf50606-charger.c b/drivers/power/pcf50606-charger.c
index a35b671061b..a4b77950788 100644
--- a/drivers/power/pcf50606-charger.c
+++ b/drivers/power/pcf50606-charger.c
@@ -65,15 +65,38 @@ int pcf50606_charge_fast(struct pcf50606 *pcf, int on)
}
EXPORT_SYMBOL_GPL(pcf50606_charge_fast);
+static const char *charge_mode_descs[] = {
+ "qualification",
+ "pre",
+ "trickle",
+ "fast_cccv",
+ "idle",
+};
+
static ssize_t
show_charge_mode(struct device *dev, struct device_attribute *attr, char *buf)
{
struct pcf50606_mbc *mbc = dev_get_drvdata(dev);
+ const char **desc = charge_mode_descs;
uint8_t charge_mode = pcf50606_reg_read(mbc->pcf, PCF50606_REG_MBCC1);
charge_mode &= PCF50606_MBCC1_CHGMOD_MASK;
-
- return sprintf(buf, "%d\n", charge_mode);
+ switch (charge_mode) {
+ case PCF50606_MBCC1_CHGMOD_IDLE:
+ ++desc;
+ case PCF50606_MBCC1_CHGMOD_FAST_CCCV:
+ ++desc;
+ case PCF50606_MBCC1_CHGMOD_TRICKLE:
+ ++desc;
+ case PCF50606_MBCC1_CHGMOD_PRE:
+ ++desc;
+ case PCF50606_MBCC1_CHGMOD_QUAL:
+ return sprintf(buf, "%s\n", *desc);
+ break;
+ default:
+ return sprintf(buf, "unkown: %d\n", charge_mode);
+ break;
+ }
}
static ssize_t set_charge_mode(struct device *dev, struct device_attribute *attr,
@@ -103,7 +126,7 @@ static ssize_t set_charge_mode(struct device *dev, struct device_attribute *attr
return count;
}
-static DEVICE_ATTR(charge_mode, S_IRUGO, show_charge_mode, set_charge_mode);
+static DEVICE_ATTR(charge_mode, S_IRUGO | S_IWUSR, show_charge_mode, set_charge_mode);
static void
pcf50606_mbc_irq_handler(int irq, void *data)