From ca0eab2dcfe5e742a2e663dc10829679879f7b98 Mon Sep 17 00:00:00 2001
From: Mario Six <mario.six@gdsys.cc>
Date: Mon, 28 Jan 2019 09:47:41 +0100
Subject: [PATCH] gdsys_rxaui_ctrl: Return old state
Make the gdsys_rxaui_ctrl polarity setting function return the old
state to comply with the API requirements.
Signed-off-by: Mario Six <mario.six@gdsys.cc>
---
drivers/misc/gdsys_rxaui_ctrl.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/gdsys_rxaui_ctrl.c b/drivers/misc/gdsys_rxaui_ctrl.c
index 9a63c329bc..f2c955b13d 100644
--- a/drivers/misc/gdsys_rxaui_ctrl.c
+++ b/drivers/misc/gdsys_rxaui_ctrl.c
@@ -29,6 +29,7 @@ struct gdsys_rxaui_ctrl_regs {
struct gdsys_rxaui_ctrl_priv {
struct regmap *map;
+ bool state;
};
int gdsys_rxaui_set_polarity_inversion(struct udevice *dev, bool val)
@@ -36,6 +37,8 @@ int gdsys_rxaui_set_polarity_inversion(struct udevice *dev, bool val)
struct gdsys_rxaui_ctrl_priv *priv = dev_get_priv(dev);
u16 state;
+ priv->state = !priv->state;
+
rxaui_ctrl_get(priv->map, ctrl_1, &state);
if (val)
@@ -45,7 +48,7 @@ int gdsys_rxaui_set_polarity_inversion(struct udevice *dev, bool val)
rxaui_ctrl_set(priv->map, ctrl_1, state);
- return 0;
+ return !priv->state;
}
static const struct misc_ops gdsys_rxaui_ctrl_ops = {
@@ -58,6 +61,8 @@ int gdsys_rxaui_ctrl_probe(struct udevice *dev)
regmap_init_mem(dev, &priv->map);
+ priv->state = false;
+
return 0;
}
--
2.39.5