diff options
| author | Fenglin Wu <fenglinw@codeaurora.org> | 2017-11-08 13:27:34 +0800 |
|---|---|---|
| committer | Fenglin Wu <fenglinw@codeaurora.org> | 2017-11-08 16:58:34 +0800 |
| commit | 8b7ca67a3736d0a91e8ae05ba6da8ebc0954e1db (patch) | |
| tree | fc39ac8664a4a8272ce2fb985221b535b66cf5fc /drivers/pwm/pwm-qpnp.c | |
| parent | b1281c202f4096a19a0477d654ddb6b9c48b95a3 (diff) | |
pwm: pwm-qpnp: Enable glitch removal after PWM enabled
Enable glitch control after PWM enabled to remove the glitches on the
PWM output.
CRs-Fixed: 2134126
Change-Id: I910b26d997bd5e934119dce1ab518bb31ab5c9a5
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
Diffstat (limited to 'drivers/pwm/pwm-qpnp.c')
| -rw-r--r-- | drivers/pwm/pwm-qpnp.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/pwm/pwm-qpnp.c b/drivers/pwm/pwm-qpnp.c index 5e808150a3dd..8edb8a61795a 100644 --- a/drivers/pwm/pwm-qpnp.c +++ b/drivers/pwm/pwm-qpnp.c @@ -1324,6 +1324,15 @@ static int _pwm_enable(struct qpnp_pwm_chip *chip) chip->qpnp_lpg_registers[QPNP_ENABLE_CONTROL]) || chip->flags & QPNP_PWM_LUT_NOT_SUPPORTED) { rc = qpnp_lpg_configure_pwm_state(chip, QPNP_PWM_ENABLE); + if (rc) { + pr_err("Failed to enable PWM mode, rc=%d\n", rc); + return rc; + } + rc = qpnp_lpg_glitch_removal(chip, true); + if (rc) { + pr_err("Failed to enable glitch removal, rc=%d\n", rc); + return rc; + } } else if (!(chip->flags & QPNP_PWM_LUT_NOT_SUPPORTED)) { rc = qpnp_lpg_configure_lut_state(chip, QPNP_LUT_ENABLE); } |