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mfd: bd718x7: Remove hardcoded config for button press duration

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The reset button on imx8mm-evk is tied to PWRON_B pin of bd71847 and the
long press duration is set to zero from OTP. The linux driver overrides
those values and breaks reset from button.

Overwriting OTP or bootloader configuration with some hardcoded defaults
is not desirable, keep already programmed values instead.

Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Acked-By: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Leonard Crestez 2019-05-21 20:41:12 +00:00 committed by Lee Jones
parent 1bb407f17c
commit 2a87f09020
1 changed files with 0 additions and 23 deletions
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23
drivers/mfd/rohm-bd718x7.c
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@ -118,29 +118,6 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c,
return ret;
}
/* Configure short press to 10 milliseconds */
ret = regmap_update_bits(bd718xx->chip.regmap,
BD718XX_REG_PWRONCONFIG0,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_SHORT_PRESS_10MS);
if (ret) {
dev_err(&i2c->dev,
"Failed to configure button short press timeout\n");
return ret;
}
/* Configure long press to 10 seconds */
ret = regmap_update_bits(bd718xx->chip.regmap,
BD718XX_REG_PWRONCONFIG1,
BD718XX_PWRBTN_PRESS_DURATION_MASK,
BD718XX_PWRBTN_LONG_PRESS_10S);
if (ret) {
dev_err(&i2c->dev,
"Failed to configure button long press timeout\n");
return ret;
}
ret = regmap_irq_get_virq(bd718xx->irq_data, BD718XX_INT_PWRBTN_S);
if (ret < 0) {