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Message-Id: <1427467186-9360-2-git-send-email-sre@kernel.org>
Date: Fri, 27 Mar 2015 15:39:43 +0100
From: Sebastian Reichel <sre@...nel.org>
To: Sebastian Reichel <sre@...nel.org>,
Eric Piel <eric.piel@...mplin-utc.net>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Arnd Bergmann <arnd@...db.de>
Cc: Tony Lindgren <tony@...mide.com>, linux-kernel@...r.kernel.org
Subject: [PATCHv2 1/4] lis3lv02d: DT: use s32 to support negative values
st,axis-{x,y,z} can be negative to imply inverted
axis.
Apart from that the minimal and maximal threshold
may be negative.
Signed-off-by: Sebastian Reichel <sre@...nel.org>
---
drivers/misc/lis3lv02d/lis3lv02d.c | 39 +++++++++++++++++++-------------------
1 file changed, 20 insertions(+), 19 deletions(-)
diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c
index 3ef4627..d2b0968 100644
--- a/drivers/misc/lis3lv02d/lis3lv02d.c
+++ b/drivers/misc/lis3lv02d/lis3lv02d.c
@@ -950,6 +950,7 @@ int lis3lv02d_init_dt(struct lis3lv02d *lis3)
struct lis3lv02d_platform_data *pdata;
struct device_node *np = lis3->of_node;
u32 val;
+ s32 sval;
if (!lis3->of_node)
return 0;
@@ -1054,29 +1055,29 @@ int lis3lv02d_init_dt(struct lis3lv02d *lis3)
if (of_get_property(np, "st,hipass2-disable", NULL))
pdata->hipass_ctrl |= LIS3_HIPASS2_DISABLE;
- if (of_get_property(np, "st,axis-x", &val))
- pdata->axis_x = val;
- if (of_get_property(np, "st,axis-y", &val))
- pdata->axis_y = val;
- if (of_get_property(np, "st,axis-z", &val))
- pdata->axis_z = val;
+ if (of_property_read_s32(np, "st,axis-x", &sval) == 0)
+ pdata->axis_x = sval;
+ if (of_property_read_s32(np, "st,axis-y", &sval) == 0)
+ pdata->axis_y = sval;
+ if (of_property_read_s32(np, "st,axis-z", &sval) == 0)
+ pdata->axis_z = sval;
if (of_get_property(np, "st,default-rate", NULL))
pdata->default_rate = val;
- if (of_get_property(np, "st,min-limit-x", &val))
- pdata->st_min_limits[0] = val;
- if (of_get_property(np, "st,min-limit-y", &val))
- pdata->st_min_limits[1] = val;
- if (of_get_property(np, "st,min-limit-z", &val))
- pdata->st_min_limits[2] = val;
-
- if (of_get_property(np, "st,max-limit-x", &val))
- pdata->st_max_limits[0] = val;
- if (of_get_property(np, "st,max-limit-y", &val))
- pdata->st_max_limits[1] = val;
- if (of_get_property(np, "st,max-limit-z", &val))
- pdata->st_max_limits[2] = val;
+ if (of_property_read_s32(np, "st,min-limit-x", &sval) == 0)
+ pdata->st_min_limits[0] = sval;
+ if (of_property_read_s32(np, "st,min-limit-y", &sval) == 0)
+ pdata->st_min_limits[1] = sval;
+ if (of_property_read_s32(np, "st,min-limit-z", &sval) == 0)
+ pdata->st_min_limits[2] = sval;
+
+ if (of_property_read_s32(np, "st,max-limit-x", &sval) == 0)
+ pdata->st_max_limits[0] = sval;
+ if (of_property_read_s32(np, "st,max-limit-y", &sval) == 0)
+ pdata->st_max_limits[1] = sval;
+ if (of_property_read_s32(np, "st,max-limit-z", &sval) == 0)
+ pdata->st_max_limits[2] = sval;
lis3->pdata = pdata;
--
2.1.4
--
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