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Message-Id: <1423654611-10906-1-git-send-email-mike.looijmans@topic.nl>
Date: Wed, 11 Feb 2015 12:36:51 +0100
From: Mike Looijmans <mike.looijmans@...ic.nl>
To: sre@...nel.org
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
dbaryshkov@...il.com, dwmw2@...radead.org,
Mike Looijmans <mike.looijmans@...ic.nl>
Subject: [PATCH] ltc2941-battery-gauge: Fix typo in conversion formula (58 instead of 85)
The driver reported 30% less than actually measured. This turned out to
be caused by a simple typo in the formula to calculate the LSB quantity.
Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
---
drivers/power/ltc2941-battery-gauge.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/power/ltc2941-battery-gauge.c b/drivers/power/ltc2941-battery-gauge.c
index e4a9c87..784ff0b 100644
--- a/drivers/power/ltc2941-battery-gauge.c
+++ b/drivers/power/ltc2941-battery-gauge.c
@@ -439,7 +439,7 @@ static int ltc294x_i2c_probe(struct i2c_client *client,
} else {
if (prescaler_exp > LTC2941_MAX_PRESCALER_EXP)
prescaler_exp = LTC2941_MAX_PRESCALER_EXP;
- info->Qlsb = ((58 * 50000) / r_sense) /
+ info->Qlsb = ((85 * 50000) / r_sense) /
(128 / (1 << prescaler_exp));
}
--
1.9.1
--
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