iio:accel:stk8312: rework macro definitions
Make use of BIT to describe register bits, GENMASK for consecutive
bitmasks, rename and sort existing definitions, replace magic value with
an expressive definition, drop an unused definition.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Reviewed-by: Tiberiu Breana <tiberiu.a.breana@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c
index 82ad283..d406ad0 100644
--- a/drivers/iio/accel/stk8312.c
+++ b/drivers/iio/accel/stk8312.c
@@ -37,16 +37,16 @@
#define STK8312_REG_OTPDATA 0x3E
#define STK8312_REG_OTPCTRL 0x3F
-#define STK8312_MODE_ACTIVE 0x01
+#define STK8312_MODE_ACTIVE BIT(0)
#define STK8312_MODE_STANDBY 0x00
-#define STK8312_DREADY_BIT 0x10
-#define STK8312_INT_MODE 0xC0
-#define STK8312_RNG_MASK 0xC0
-#define STK8312_SR_MASK 0x07
-#define STK8312_SR_400HZ_IDX 0
+#define STK8312_MODE_INT_AH_PP 0xC0 /* active-high, push-pull */
+#define STK8312_DREADY_BIT BIT(4)
+#define STK8312_RNG_6G 1
#define STK8312_RNG_SHIFT 6
-#define STK8312_READ_RETRIES 16
-#define STK8312_ALL_CHANNEL_MASK 7
+#define STK8312_RNG_MASK GENMASK(7, 6)
+#define STK8312_SR_MASK GENMASK(2, 0)
+#define STK8312_SR_400HZ_IDX 0
+#define STK8312_ALL_CHANNEL_MASK GENMASK(2, 0)
#define STK8312_ALL_CHANNEL_SIZE 3
#define STK8312_DRIVER_NAME "stk8312"
@@ -144,7 +144,7 @@
if (ret < 0)
goto exit_err;
count--;
- } while (!(ret & 0x80) && count > 0);
+ } while (!(ret & BIT(7)) && count > 0);
if (count == 0) {
ret = -ETIMEDOUT;
@@ -565,11 +565,12 @@
return ret;
}
data->sample_rate_idx = STK8312_SR_400HZ_IDX;
- ret = stk8312_set_range(data, 1);
+ ret = stk8312_set_range(data, STK8312_RNG_6G);
if (ret < 0)
return ret;
- ret = stk8312_set_mode(data, STK8312_INT_MODE | STK8312_MODE_ACTIVE);
+ ret = stk8312_set_mode(data,
+ STK8312_MODE_INT_AH_PP | STK8312_MODE_ACTIVE);
if (ret < 0)
return ret;
@@ -691,7 +692,7 @@
static struct i2c_driver stk8312_driver = {
.driver = {
- .name = "stk8312",
+ .name = STK8312_DRIVER_NAME,
.pm = STK8312_PM_OPS,
.acpi_match_table = ACPI_PTR(stk8312_acpi_id),
},