From 9442490a02867088bcd5ed6231fa3b35a733c2b8 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 4 Jan 2013 16:35:07 +0000 Subject: regmap: irq: Support wake IRQ mask inversion Support devices which have an enable rather than mask register for wake sources. Signed-off-by: Mark Brown --- drivers/base/regmap/regmap-irq.c | 21 +++++++++++++++++---- 1 file changed, 17 insertions(+), 4 deletions(-) (limited to 'drivers/base/regmap/regmap-irq.c') diff --git a/drivers/base/regmap/regmap-irq.c b/drivers/base/regmap/regmap-irq.c index be5579964be0..4706c63d0bc6 100644 --- a/drivers/base/regmap/regmap-irq.c +++ b/drivers/base/regmap/regmap-irq.c @@ -92,8 +92,14 @@ static void regmap_irq_sync_unlock(struct irq_data *data) reg = d->chip->wake_base + (i * map->reg_stride * d->irq_reg_stride); if (d->wake_buf) { - ret = regmap_update_bits(d->map, reg, - d->mask_buf_def[i], d->wake_buf[i]); + if (d->chip->wake_invert) + ret = regmap_update_bits(d->map, reg, + d->mask_buf_def[i], + ~d->wake_buf[i]); + else + ret = regmap_update_bits(d->map, reg, + d->mask_buf_def[i], + d->wake_buf[i]); if (ret != 0) dev_err(d->map->dev, "Failed to sync wakes in %x: %d\n", @@ -419,8 +425,15 @@ int regmap_add_irq_chip(struct regmap *map, int irq, int irq_flags, d->wake_buf[i] = d->mask_buf_def[i]; reg = chip->wake_base + (i * map->reg_stride * d->irq_reg_stride); - ret = regmap_update_bits(map, reg, d->wake_buf[i], - d->wake_buf[i]); + + if (chip->wake_invert) + ret = regmap_update_bits(map, reg, + d->mask_buf_def[i], + 0); + else + ret = regmap_update_bits(map, reg, + d->mask_buf_def[i], + d->wake_buf[i]); if (ret != 0) { dev_err(map->dev, "Failed to set masks in 0x%x: %d\n", reg, ret); -- cgit v1.2.3