From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/drivers/iio/light/si1133.c | 19 ++++++-------------
1 files changed, 6 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/iio/light/si1133.c b/kernel/drivers/iio/light/si1133.c
index 9174ab9..c280b41 100644
--- a/kernel/drivers/iio/light/si1133.c
+++ b/kernel/drivers/iio/light/si1133.c
@@ -17,6 +17,8 @@
#include <linux/util_macros.h>
+#include <asm/unaligned.h>
+
#define SI1133_REG_PART_ID 0x00
#define SI1133_REG_REV_ID 0x01
#define SI1133_REG_MFR_ID 0x02
@@ -103,8 +105,6 @@
#define SI1133_LUX_OUTPUT_FRACTION 12
#define SI1133_LUX_BUFFER_SIZE 9
#define SI1133_MEASURE_BUFFER_SIZE 3
-
-#define SI1133_SIGN_BIT_INDEX 23
static const int si1133_scale_available[] = {
1, 2, 4, 8, 16, 32, 64, 128};
@@ -633,8 +633,7 @@
if (err)
return err;
- *val = sign_extend32((buffer[0] << 16) | (buffer[1] << 8) | buffer[2],
- SI1133_SIGN_BIT_INDEX);
+ *val = sign_extend32(get_unaligned_be24(&buffer[0]), 23);
return err;
}
@@ -723,16 +722,11 @@
if (err)
return err;
- high_vis =
- sign_extend32((buffer[0] << 16) | (buffer[1] << 8) | buffer[2],
- SI1133_SIGN_BIT_INDEX);
+ high_vis = sign_extend32(get_unaligned_be24(&buffer[0]), 23);
- low_vis =
- sign_extend32((buffer[3] << 16) | (buffer[4] << 8) | buffer[5],
- SI1133_SIGN_BIT_INDEX);
+ low_vis = sign_extend32(get_unaligned_be24(&buffer[3]), 23);
- ir = sign_extend32((buffer[6] << 16) | (buffer[7] << 8) | buffer[8],
- SI1133_SIGN_BIT_INDEX);
+ ir = sign_extend32(get_unaligned_be24(&buffer[6]), 23);
if (high_vis > SI1133_ADC_THRESHOLD || ir > SI1133_ADC_THRESHOLD)
lux = si1133_calc_polynomial(high_vis, ir,
@@ -1021,7 +1015,6 @@
i2c_set_clientdata(client, iio_dev);
data->client = client;
- iio_dev->dev.parent = &client->dev;
iio_dev->name = id->name;
iio_dev->channels = si1133_channels;
iio_dev->num_channels = ARRAY_SIZE(si1133_channels);
--
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