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input: qcom-hv-haptics: set effect to NULL in constant playing

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In constant waveform playing, there is no need to use an effect data
structure to capture the current playing effect, hence set it to NULL.
This also helps the set_gain() callback to use the correct Vmax when
it's called in constant playing case. Also add a debug message to show
the Vmax setting.

Change-Id: I763ec7407b8696300dbe93f5e6935900544e75a8
Signed-off-by: Fenglin Wu <fenglinw@codeaurora.org>
This commit is contained in:
Fenglin Wu 2020-06-24 11:20:01 +08:00 committed by David Collins
parent 6050776464
commit 5850a67068
1 changed files with 5 additions and 0 deletions
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5
drivers/input/misc/qcom-hv-haptics.c
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@ -840,6 +840,8 @@ static int haptics_set_vmax_mv(struct haptics_chip *chip, u32 vmax_mv)
HAP_CFG_VMAX_REG, &val, 1);
if (rc < 0)
dev_err(chip->dev, "config VMAX failed, rc=%d\n", rc);
else
dev_dbg(chip->dev, "Set Vmax to %u mV\n", vmax_mv);
return rc;
}
@ -1313,6 +1315,9 @@ static int haptics_load_constant_effect(struct haptics_chip *chip, u8 amplitude)
goto unlock;
}
/* No effect data when playing constant waveform */
play->effect = NULL;
/* configure VMAX in case it was changed in previous effect playing */
rc = haptics_set_vmax_mv(chip, chip->config.vmax_mv);
if (rc < 0)