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* [PATCH] max17042_battery: Support CHARGE_COUNTER power supply attribute
@ 2012-05-07  4:55 Ramakrishna Pallala
  2012-06-18  7:52 ` Pallala, Ramakrishna
  2012-06-19 23:51 ` Anton Vorontsov
  0 siblings, 2 replies; 3+ messages in thread
From: Ramakrishna Pallala @ 2012-05-07  4:55 UTC (permalink / raw)
  To: linux-kernel; +Cc: Anton Vorontsov, Anton Vorontsov, Ramakrishna Pallala

This patch adds the support for CHARGE_COUNTER power supply
attribute to max17042/47 driver.

Note:QH(Charge Counter) register is not documented in max17042 the Spec.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
---
 drivers/power/max17042_battery.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
index 140788b..74abc6c 100644
--- a/drivers/power/max17042_battery.c
+++ b/drivers/power/max17042_battery.c
@@ -113,6 +113,7 @@ static enum power_supply_property max17042_battery_props[] = {
 	POWER_SUPPLY_PROP_VOLTAGE_OCV,
 	POWER_SUPPLY_PROP_CAPACITY,
 	POWER_SUPPLY_PROP_CHARGE_FULL,
+	POWER_SUPPLY_PROP_CHARGE_COUNTER,
 	POWER_SUPPLY_PROP_TEMP,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_CURRENT_AVG,
@@ -201,6 +202,13 @@ static int max17042_get_property(struct power_supply *psy,
 
 		val->intval = ret * 1000 / 2;
 		break;
+	case POWER_SUPPLY_PROP_CHARGE_COUNTER:
+		ret = max17042_read_reg(chip->client, MAX17042_QH);
+		if (ret < 0)
+			return ret;
+
+		val->intval = ret * 1000 / 2;
+		break;
 	case POWER_SUPPLY_PROP_TEMP:
 		ret = max17042_read_reg(chip->client, MAX17042_TEMP);
 		if (ret < 0)
-- 
1.7.0.4


^ permalink raw reply related	[flat|nested] 3+ messages in thread

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Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2012-05-07  4:55 [PATCH] max17042_battery: Support CHARGE_COUNTER power supply attribute Ramakrishna Pallala
2012-06-18  7:52 ` Pallala, Ramakrishna
2012-06-19 23:51 ` Anton Vorontsov

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