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pwm: pwm-qpnp: Enable glitch removal after PWM enabled

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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>
This commit is contained in:
Fenglin Wu 2017-11-08 13:27:34 +08:00
parent b1281c202f
commit 8b7ca67a37
1 changed files with 9 additions and 0 deletions
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9
drivers/pwm/pwm-qpnp.c
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@ -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);
}