diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/rohm-bd718x7.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c index af91092c7fca..85e7f5133365 100644 --- a/drivers/mfd/rohm-bd718x7.c +++ b/drivers/mfd/rohm-bd718x7.c @@ -81,6 +81,44 @@ static const struct regmap_config bd718xx_regmap_config = { .cache_type = REGCACHE_RBTREE, }; +static int bd718xx_init_press_duration(struct bd718xx *bd718xx) +{ + struct device* dev = bd718xx->chip.dev; + u32 short_press_ms, long_press_ms; + u32 short_press_value, long_press_value; + int ret; + + ret = of_property_read_u32(dev->of_node, "rohm,short-press-ms", + &short_press_ms); + if (!ret) { + short_press_value = min(15u, (short_press_ms + 250) / 500); + ret = regmap_update_bits(bd718xx->chip.regmap, + BD718XX_REG_PWRONCONFIG0, + BD718XX_PWRBTN_PRESS_DURATION_MASK, + short_press_value); + if (ret) { + dev_err(dev, "Failed to init pwron short press\n"); + return ret; + } + } + + ret = of_property_read_u32(dev->of_node, "rohm,long-press-ms", + &long_press_ms); + if (!ret) { + long_press_value = min(15u, (long_press_ms + 500) / 1000); + ret = regmap_update_bits(bd718xx->chip.regmap, + BD718XX_REG_PWRONCONFIG1, + BD718XX_PWRBTN_PRESS_DURATION_MASK, + long_press_value); + if (ret) { + dev_err(dev, "Failed to init pwron long press\n"); + return ret; + } + } + + return 0; +} + static int bd718xx_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -118,6 +156,10 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c, return ret; } + ret = bd718xx_init_press_duration(bd718xx); + if (ret) + return ret; + ret = regmap_irq_get_virq(bd718xx->irq_data, BD718XX_INT_PWRBTN_S); if (ret < 0) { |