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authorKalle Komierowski <karl.komierowski@stericsson.com>2012-02-02 16:05:46 +0100
committerLee Jones <lee.jones@linaro.org>2012-12-11 08:43:52 +0000
commite32ad07cea1f198db1cc6c2055dd8471b562a535 (patch)
tree1c81fe8a6692188a82a2efd35180feb1f24d2893 /drivers/power
parentf8e96dff240982c1433d447bae533acc36b5cf8f (diff)
ab8500_fg: Don't clear the CCMuxOffset bit
The CCMuxOffset bit is not kept set. This will force the columb counter of the AB8500 to use the measure offset calibration. This should increase the accuracy of the fuel gauge. Signed-off-by: Kalle Komierowski <karl.komierowski@stericsson.com> Signed-off-by: Marcus Cooper <marcus.xm.cooper@stericsson.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> Reviewed-by: Jonas ABERG <jonas.aberg@stericsson.com>
Diffstat (limited to 'drivers/power')
-rw-r--r--drivers/power/ab8500_fg.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
index ed62ef788eb..5a9f58d4c0f 100644
--- a/drivers/power/ab8500_fg.c
+++ b/drivers/power/ab8500_fg.c
@@ -484,8 +484,9 @@ static int ab8500_fg_coulomb_counter(struct ab8500_fg *di, bool enable)
di->flags.fg_enabled = true;
} else {
/* Clear any pending read requests */
- ret = abx500_set_register_interruptible(di->dev,
- AB8500_GAS_GAUGE, AB8500_GASG_CC_CTRL_REG, 0);
+ ret = abx500_mask_and_set_register_interruptible(di->dev,
+ AB8500_GAS_GAUGE, AB8500_GASG_CC_CTRL_REG,
+ (RESET_ACCU | READ_REQ), 0);
if (ret)
goto cc_err;
@@ -1403,8 +1404,7 @@ static void ab8500_fg_algorithm_discharging(struct ab8500_fg *di)
sleep_time = di->bat->fg_params->init_timer;
/* Discard the first [x] seconds */
- if (di->init_cnt >
- di->bat->fg_params->init_discard_time) {
+ if (di->init_cnt > di->bat->fg_params->init_discard_time) {
ab8500_fg_calc_cap_discharge_voltage(di, true);
ab8500_fg_check_capacity_limits(di, true);