From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Looijmans Subject: [PATCH] ltc2941-battery-gauge: Fix typo in conversion formula (58 instead of 85) Date: Wed, 11 Feb 2015 12:36:51 +0100 Message-ID: <1423654611-10906-1-git-send-email-mike.looijmans@topic.nl> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: sre@kernel.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, dbaryshkov@gmail.com, dwmw2@infradead.org, Mike Looijmans List-Id: linux-pm@vger.kernel.org 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 --- 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