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>
diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
index ed62ef7..5a9f58d 100644
--- a/drivers/power/ab8500_fg.c
+++ b/drivers/power/ab8500_fg.c
@@ -484,8 +484,9 @@
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 @@
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);