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@xxxxxx>
---
drivers/iio/accel/stk8312.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/iio/accel/stk8312.c b/drivers/iio/accel/stk8312.c
index 50a102ca44d3..8783f0bf7c53 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 @@ static int stk8312_otp_init(struct stk8312_data *data)
if (ret < 0)
goto exit_err;
count--;
- } while (!(ret & 0x80) && count > 0);
+ } while (!(ret & BIT(7)) && count > 0);
if (count == 0) {
ret = -ETIMEDOUT;
@@ -560,11 +560,12 @@ static int stk8312_probe(struct i2c_client *client,
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;
@@ -685,7 +686,7 @@ MODULE_DEVICE_TABLE(acpi, stk8312_acpi_id);
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),
},
--
2.4.6
--
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