diff options
| -rw-r--r-- | drivers/power/supply/qcom/qpnp-qnovo.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/power/supply/qcom/qpnp-qnovo.c b/drivers/power/supply/qcom/qpnp-qnovo.c index b20807990efc..98bb939f47ac 100644 --- a/drivers/power/supply/qcom/qpnp-qnovo.c +++ b/drivers/power/supply/qcom/qpnp-qnovo.c @@ -1333,6 +1333,26 @@ static void ptrain_restart_work(struct work_struct *work) struct qnovo, ptrain_restart_work.work); u8 pt_t1, pt_t2; int rc; + u8 pt_en; + + rc = qnovo_read(chip, QNOVO_PTRAIN_EN, &pt_en, 1); + if (rc < 0) { + dev_err(chip->dev, "Couldn't read QNOVO_PTRAIN_EN rc = %d\n", + rc); + goto clean_up; + } + + if (!pt_en) { + rc = qnovo_masked_write(chip, QNOVO_PTRAIN_EN, + QNOVO_PTRAIN_EN_BIT, QNOVO_PTRAIN_EN_BIT); + if (rc < 0) { + dev_err(chip->dev, "Couldn't enable pulse train rc=%d\n", + rc); + goto clean_up; + } + /* sleep 20ms for the pulse trains to restart and settle */ + msleep(20); + } rc = qnovo_read(chip, QNOVO_PTTIME_STS, &pt_t1, 1); if (rc < 0) { |