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input: qcom-hv-haptics: adjust frequency calibration sequence

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Adjust following settings in frequency calibration sequence according to
HW recommendation:
 1) Use 50% auto resonance detection error window.
 2) Play for 150 ms before reading the calibration result.

Change-Id: Id43376f6878daedaf98b1d9065a3b0b363314add
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
This commit is contained in:
Fenglin Wu 2020-06-09 08:54:31 +08:00 committed by David Collins
parent 50982ecf58
commit 9794c4dbeb
1 changed files with 3 additions and 3 deletions
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6
drivers/input/misc/qcom-hv-haptics.c
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@ -3279,7 +3279,7 @@ static int haptics_start_lra_calibration(struct haptics_chip *chip)
HAP_CFG_AUTORES_CFG_REG, AUTORES_EN_BIT |
AUTORES_EN_DLY_MASK | AUTORES_ERR_WINDOW_MASK,
AUTORES_EN_DLY_1_CYCLE << AUTORES_EN_DLY_SHIFT
| AUTORES_ERR_WINDOW_25_PERCENT | AUTORES_EN_BIT);
| AUTORES_ERR_WINDOW_50_PERCENT | AUTORES_EN_BIT);
if (rc < 0)
goto unlock;
@ -3306,8 +3306,8 @@ static int haptics_start_lra_calibration(struct haptics_chip *chip)
goto restore;
}
/* wait for ~60ms to get the LRA calibration result */
usleep_range(60000, 65000);
/* wait for ~150ms to get the LRA calibration result */
usleep_range(150000, 155000);
rc = haptics_get_closeloop_lra_period(chip);
if (rc < 0)