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authorAlexander Aring <alex.aring@gmail.com>2015-02-27 09:58:29 +0100
committerMarcel Holtmann <marcel@holtmann.org>2015-02-27 18:42:44 +0100
commit702d211c45d95e6788cec42f7f3c4a538e8853ef (patch)
tree03d876e393ad21b7bf68af96ebea156be862012e /drivers
parentbe64f076465a288aa850ad0dc581e5ecdb8efe46 (diff)
downloadlinux-702d211c45d95e6788cec42f7f3c4a538e8853ef.tar.gz
at86rf230: add irq low-level for polarity
The at86rf2xx chips supports the setting of irq polarity if active low
or active high. This patch adds a handling for IRQ_ACTIVE_LOW if the
irq_type is IRQ_TYPE_LEVEL_LOW.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ieee802154/at86rf230.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index e6dec0ac163a..c7a30ce71dcf 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1321,7 +1321,8 @@ static int at86rf230_hw_init(struct at86rf230_local *lp, u8 xtal_trim)
 		return rc;
 
 	irq_type = irq_get_trigger_type(lp->spi->irq);
-	if (irq_type == IRQ_TYPE_EDGE_FALLING)
+	if (irq_type == IRQ_TYPE_EDGE_FALLING ||
+	    irq_type == IRQ_TYPE_LEVEL_LOW)
 		irq_pol = IRQ_ACTIVE_LOW;
 
 	rc = at86rf230_write_subreg(lp, SR_IRQ_POLARITY, irq_pol);