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Commit 0d7ed2e0 authored by Fenglin Wu's avatar Fenglin Wu
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input: qcom-hv-haptics: adjust frequency calibration sequence 



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: default avatarFenglin Wu <fenglinw@codeaurora.org>
parent b318939c

drivers/input/misc/qcom-hv-haptics.c

+3 −3
Original line number Diff line number Diff line
@@ -3252,7 +3252,7 @@ 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;
@@ -3279,8 +3279,8 @@ 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)