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path: root/drivers/iio/light/stk3310.c
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Diffstat (limited to 'drivers/iio/light/stk3310.c')
-rw-r--r--drivers/iio/light/stk3310.c37
1 files changed, 27 insertions, 10 deletions
diff --git a/drivers/iio/light/stk3310.c b/drivers/iio/light/stk3310.c
index 08d471438175..e3470d6743ef 100644
--- a/drivers/iio/light/stk3310.c
+++ b/drivers/iio/light/stk3310.c
@@ -37,6 +37,8 @@
#define STK3310_CHIP_ID_VAL 0x13
#define STK3311_CHIP_ID_VAL 0x1D
+#define STK3311A_CHIP_ID_VAL 0x15
+#define STK3311S34_CHIP_ID_VAL 0x1E
#define STK3311X_CHIP_ID_VAL 0x12
#define STK3335_CHIP_ID_VAL 0x51
#define STK3310_PSINT_EN 0x01
@@ -81,6 +83,15 @@ static const struct reg_field stk3310_reg_field_flag_psint =
static const struct reg_field stk3310_reg_field_flag_nf =
REG_FIELD(STK3310_REG_FLAG, 0, 0);
+static const u8 stk3310_chip_ids[] = {
+ STK3310_CHIP_ID_VAL,
+ STK3311A_CHIP_ID_VAL,
+ STK3311S34_CHIP_ID_VAL,
+ STK3311X_CHIP_ID_VAL,
+ STK3311_CHIP_ID_VAL,
+ STK3335_CHIP_ID_VAL,
+};
+
/* Estimate maximum proximity values with regard to measurement scale. */
static const int stk3310_ps_max[4] = {
STK3310_PS_MAX_VAL / 640,
@@ -197,6 +208,16 @@ static const struct attribute_group stk3310_attribute_group = {
.attrs = stk3310_attributes
};
+static int stk3310_check_chip_id(const u8 chip_id)
+{
+ for (int i = 0; i < ARRAY_SIZE(stk3310_chip_ids); i++) {
+ if (chip_id == stk3310_chip_ids[i])
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
static int stk3310_get_index(const int table[][2], int table_size,
int val, int val2)
{
@@ -473,13 +494,9 @@ static int stk3310_init(struct iio_dev *indio_dev)
if (ret < 0)
return ret;
- if (chipid != STK3310_CHIP_ID_VAL &&
- chipid != STK3311_CHIP_ID_VAL &&
- chipid != STK3311X_CHIP_ID_VAL &&
- chipid != STK3335_CHIP_ID_VAL) {
- dev_err(&client->dev, "invalid chip id: 0x%x\n", chipid);
- return -ENODEV;
- }
+ ret = stk3310_check_chip_id(chipid);
+ if (ret < 0)
+ dev_warn(&client->dev, "unknown chip id: 0x%x\n", chipid);
state = STK3310_STATE_EN_ALS | STK3310_STATE_EN_PS;
ret = stk3310_set_state(data, state);
@@ -683,9 +700,9 @@ static DEFINE_SIMPLE_DEV_PM_OPS(stk3310_pm_ops, stk3310_suspend,
stk3310_resume);
static const struct i2c_device_id stk3310_i2c_id[] = {
- {"STK3310", 0},
- {"STK3311", 0},
- {"STK3335", 0},
+ { "STK3310" },
+ { "STK3311" },
+ { "STK3335" },
{}
};
MODULE_DEVICE_TABLE(i2c, stk3310_i2c_id);