diff options
| author | Nicholas Troast <ntroast@codeaurora.org> | 2016-12-08 14:23:27 -0800 |
|---|---|---|
| committer | Nicholas Troast <ntroast@codeaurora.org> | 2017-01-26 13:40:24 -0800 |
| commit | 5a3b006e3e01ed40bf07205cabee73648f382a28 (patch) | |
| tree | 87fc3aaa59cb52c2b1c92c8e43968f79d72b3e33 | |
| parent | 314869eb56763d34f91d5483b0d510267894fadd (diff) | |
smb138x-charger: enable stacked diode
A part of the ADC circuit does not work as expected which causes die
temp inaccuracies. Enable the stacked diode circuit to bypass the
non-working circuit which fixes the die temp accuracy.
Change-Id: I2537ecd9190d3260396a847d3fd907634f874eb7
Signed-off-by: Nicholas Troast <ntroast@codeaurora.org>
| -rw-r--r-- | drivers/power/supply/qcom/smb138x-charger.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/power/supply/qcom/smb138x-charger.c b/drivers/power/supply/qcom/smb138x-charger.c index ed76a585ed03..c836e780fc86 100644 --- a/drivers/power/supply/qcom/smb138x-charger.c +++ b/drivers/power/supply/qcom/smb138x-charger.c @@ -39,6 +39,9 @@ #define DEAD_TIME_MASK GENMASK(7, 4) #define HIGH_DEAD_TIME_MASK GENMASK(7, 4) +#define SMB2CHG_DC_TM_SREFGEN (DCIN_BASE + 0xE2) +#define STACKED_DIODE_EN_BIT BIT(2) + enum { OOB_COMP_WA_BIT = BIT(0), }; @@ -1216,6 +1219,13 @@ static int smb138x_slave_probe(struct smb138x *chip) goto cleanup; } + /* enable stacked diode */ + rc = smblib_write(chg, SMB2CHG_DC_TM_SREFGEN, STACKED_DIODE_EN_BIT); + if (rc < 0) { + pr_err("Couldn't enable stacked diode rc=%d\n", rc); + return rc; + } + rc = smb138x_init_parallel_psy(chip); if (rc < 0) { pr_err("Couldn't initialize parallel psy rc=%d\n", rc); |