diff options
| author | Subbaraman Narayanamurthy <subbaram@codeaurora.org> | 2017-06-23 18:25:09 -0700 |
|---|---|---|
| committer | Nicholas Troast <ntroast@codeaurora.org> | 2017-08-04 11:17:05 -0700 |
| commit | c4205fe6be9dc3b998451e4eb44aecf91ef4665f (patch) | |
| tree | 640d356bf1b46e3fd32919c53d28e21e2ab39649 | |
| parent | 183bc63f12f505b69b4fd69175e702f4243c2cc1 (diff) | |
power: qpnp-fg-gen3: add support for skew in capacity learning algorithm
In some cases, a skew needs to be applied on the learnt capacity
to counter the error. Add support for it.
Change-Id: I7f80088e7db4e3414d86983722c92e4fc14323e0
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>
Signed-off-by: Abhijeet Dharmapurikar <adharmap@codeaurora.org>
| -rw-r--r-- | drivers/power/supply/qcom/qpnp-fg-gen3.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/power/supply/qcom/qpnp-fg-gen3.c b/drivers/power/supply/qcom/qpnp-fg-gen3.c index 9b427a1b52c5..df20a14fb457 100644 --- a/drivers/power/supply/qcom/qpnp-fg-gen3.c +++ b/drivers/power/supply/qcom/qpnp-fg-gen3.c @@ -1315,11 +1315,20 @@ static bool is_temp_valid_cap_learning(struct fg_chip *chip) return true; } +#define QNOVO_CL_SKEW_DECIPCT -30 static void fg_cap_learning_post_process(struct fg_chip *chip) { int64_t max_inc_val, min_dec_val, old_cap; int rc; + if (is_qnovo_en(chip)) { + fg_dbg(chip, FG_CAP_LEARN, "applying skew %d on current learnt capacity %lld\n", + QNOVO_CL_SKEW_DECIPCT, chip->cl.final_cc_uah); + chip->cl.final_cc_uah = chip->cl.final_cc_uah * + (1000 + QNOVO_CL_SKEW_DECIPCT); + do_div(chip->cl.final_cc_uah, 1000); + } + max_inc_val = chip->cl.learned_cc_uah * (1000 + chip->dt.cl_max_cap_inc); do_div(max_inc_val, 1000); |