staging: nvec: Introduce nvec_gpio_set_value()

Introduce nvec_gpio_set_value(), which works like
gpio_set_value(), but also creates a debugging
message, if that's enabled.

Signed-off-by: Julian Andres Klode <jak@jak-linux.org>
Acked-by: Marc Dietrich <marvin24@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c
index fb0f51a..17f5abf 100644 (file)
--- a/drivers/staging/nvec/nvec.c
+++ b/drivers/staging/nvec/nvec.c
@@ -114,6 +114,13 @@ static void nvec_msg_free(struct nvec_chip *nvec, struct nvec_msg *msg)
        atomic_set(&msg->used, 0);
 }
 
+static void nvec_gpio_set_value(struct nvec_chip *nvec, int value)
+{
+       dev_dbg(nvec->dev, "GPIO changed from %u to %u\n",
+               gpio_get_value(nvec->gpio), value);
+       gpio_set_value(nvec->gpio, value);
+}
+
 void nvec_write_async(struct nvec_chip *nvec, const unsigned char *data,
                        short size)
 {