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Date: Thu, 13 Jun 2013 20:20:47 +0200
From: Andi Shyti <andi@...zian.org>
To: arnd@...db.de, gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org, pc@...f.org, oatilla@...il.com,
andi@...zian.org
Subject: [PATCH 13/19] bh1770glc: Code cleaning and aligning in source code
From: Onur Atilla <oatilla@...il.com>
Removed unused variables and definitions, adjusted some code
alignement and removed trailing spaces.
Signed-off-by: Onur Atilla <oatilla@...il.com>
Signed-off-by: Andi Shyti <andi@...zian.org>
---
drivers/misc/bh1770glc.c | 55 +++++++++++++++++++----------------------
include/linux/i2c/bh1770glc.h | 25 ++++++++++---------
2 files changed, 38 insertions(+), 42 deletions(-)
diff --git a/drivers/misc/bh1770glc.c b/drivers/misc/bh1770glc.c
index fe49964..054d3f3 100644
--- a/drivers/misc/bh1770glc.c
+++ b/drivers/misc/bh1770glc.c
@@ -105,27 +105,25 @@
#define BH1770_ENABLE 1
#define BH1770_PROX_CHANNELS 1
-#define BH1770_LUX_DEFAULT_RATE 1 /* Index to lux rate table */
-#define BH1770_PROX_DEFAULT_RATE 1 /* Direct HW value =~ 50Hz */
-#define BH1770_PROX_DEF_RATE_THRESH 6 /* Direct HW value =~ 5 Hz */
-#define BH1770_STARTUP_DELAY 50
-#define BH1770_RESET_TIME 10
-#define BH1770_TIMEOUT 2100 /* Timeout in 2.1 seconds */
-
-#define BH1770_LUX_RANGE 65535
-#define BH1770_PROX_RANGE 255
-#define BH1770_COEF_SCALER 1024
-#define BH1770_CALIB_SCALER 8192
-#define BH1770_LUX_NEUTRAL_CALIB_VALUE (1 * BH1770_CALIB_SCALER)
-#define BH1770_LUX_DEF_THRES 1000
-#define BH1770_PROX_DEF_THRES 70
-#define BH1770_PROX_DEF_ABS_THRES 100
-#define BH1770_DEFAULT_PERSISTENCE 10
-#define BH1770_PROX_MAX_PERSISTENCE 50
#define BH1770_LUX_GA_SCALE 16384
#define BH1770_LUX_CF_SCALE 2048 /* CF ChipFactor */
-#define BH1770_NEUTRAL_CF BH1770_LUX_CF_SCALE
-#define BH1770_LUX_CORR_SCALE 4096
+#define BH1770_LUX_DEFAULT_RATE 1 /* Index to lux rate table */
+#define BH1770_PROX_DEFAULT_RATE 1 /* Direct HW value =~ 50Hz */
+#define BH1770_PROX_DEF_RATE_THRESH 6 /* Direct HW value =~ 5 Hz */
+#define BH1770_STARTUP_DELAY 50
+#define BH1770_RESET_TIME 10
+#define BH1770_TIMEOUT 2100 /* Timeout in 2.1 seconds */
+
+#define BH1770_LUX_RANGE 65535
+#define BH1770_PROX_RANGE 255
+#define BH1770_CALIB_SCALER 8192
+#define BH1770_LUX_NEUTRAL_CALIB_VALUE (1 * BH1770_CALIB_SCALER)
+#define BH1770_LUX_DEF_THRES 1000
+#define BH1770_PROX_DEF_THRES 100
+#define BH1770_DEFAULT_PERSISTENCE 10
+#define BH1770_PROX_MAX_PERSISTENCE 50
+#define BH1770_NEUTRAL_CF BH1770_LUX_CF_SCALE
+#define BH1770_LUX_CORR_SCALE 4096
#define PROX_ABOVE_THRESHOLD 1
#define PROX_BELOW_THRESHOLD 0
@@ -158,7 +156,6 @@ struct bh1770_chip {
int prox_enable_count;
u16 prox_coef;
- u16 prox_const;
int prox_rate;
int prox_rate_threshold;
u8 prox_persistence;
@@ -356,7 +353,7 @@ static int bh1770_ps_get_result(struct bh1770_chip *chip)
* when ALS levels goes above limit, proximity result may be
* false proximity. Thus ignore the result. With real proximity
* there is a shadow causing low als levels.
- */
+ */
if (chip->lux_data_raw > PROX_IGNORE_LUX_LIMIT)
return 0;
@@ -547,8 +544,6 @@ static int bh1770_detect(struct bh1770_chip *chip)
part = (u8)ret;
chip->revision = (part & BH1770_REV_MASK) >> BH1770_REV_SHIFT;
- chip->prox_coef = BH1770_COEF_SCALER;
- chip->prox_const = 0;
chip->lux_cf = BH1770_NEUTRAL_CF;
chip->prox_min_threshold = BH1770_PROX_DEF_THRES;
@@ -816,7 +811,7 @@ static ssize_t bh1770_prox_enable_show(struct device *dev,
static ssize_t bh1770_prox_result_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct bh1770_chip *chip = dev_get_drvdata(dev);
+ struct bh1770_chip *chip = dev_get_drvdata(dev);
ssize_t ret;
mutex_lock(&chip->mutex);
@@ -1218,7 +1213,6 @@ static DEVICE_ATTR(chip_id, S_IRUGO, bh1770_chip_id_show, NULL);
static DEVICE_ATTR(power_state, S_IRUGO | S_IWUSR, bh1770_power_state_show,
bh1770_power_state_store);
-
static struct attribute *sysfs_attrs[] = {
&dev_attr_lux0_calibscale.attr,
&dev_attr_lux0_calibscale_default.attr,
@@ -1282,11 +1276,6 @@ static int bh1770_probe(struct i2c_client *client,
else
chip->lux_ga = chip->pdata->glass_attenuation;
- chip->prox_led = chip->pdata->led_def_curr;
- chip->prox_persistence = BH1770_DEFAULT_PERSISTENCE;
- chip->prox_rate_threshold = BH1770_PROX_DEF_RATE_THRESH;
- chip->prox_rate = BH1770_PROX_DEFAULT_RATE;
- chip->prox_data = 0;
/* Make sure that the given hysteresis value is in range */
if ((chip->pdata->prox_hysteresis > BH1770_PROX_RANGE) ||
(chip->pdata->prox_hysteresis < 0)) {
@@ -1295,6 +1284,12 @@ static int bh1770_probe(struct i2c_client *client,
chip->prox_hysteresis = chip->pdata->prox_hysteresis;
}
+ chip->prox_led = chip->pdata->led_def_curr;
+ chip->prox_persistence = BH1770_DEFAULT_PERSISTENCE;
+ chip->prox_rate_threshold = BH1770_PROX_DEF_RATE_THRESH;
+ chip->prox_rate = BH1770_PROX_DEFAULT_RATE;
+ chip->prox_data = 0;
+
chip->regs[0].supply = reg_vcc;
chip->regs[1].supply = reg_vleds;
diff --git a/include/linux/i2c/bh1770glc.h b/include/linux/i2c/bh1770glc.h
index ed670dd..3efbae4 100644
--- a/include/linux/i2c/bh1770glc.h
+++ b/include/linux/i2c/bh1770glc.h
@@ -25,6 +25,15 @@
#ifndef __BH1770_H__
#define __BH1770_H__
+#define BH1770_LED_5mA 0
+#define BH1770_LED_10mA 1
+#define BH1770_LED_20mA 2
+#define BH1770_LED_50mA 3
+#define BH1770_LED_100mA 4
+#define BH1770_LED_150mA 5
+#define BH1770_LED_200mA 6
+#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
+
/**
* struct bh1770_platform_data - platform data for bh1770glc driver
* @led_def_curr: IR led driving current.
@@ -37,18 +46,10 @@
*/
struct bh1770_platform_data {
-#define BH1770_LED_5mA 0
-#define BH1770_LED_10mA 1
-#define BH1770_LED_20mA 2
-#define BH1770_LED_50mA 3
-#define BH1770_LED_100mA 4
-#define BH1770_LED_150mA 5
-#define BH1770_LED_200mA 6
- __u8 led_def_curr;
-#define BH1770_NEUTRAL_GA 16384 /* 16384 / 16384 = 1 */
- __u32 glass_attenuation;
- __u32 als_scf_BH1770;
- __u32 als_scf_SFH7770;
+ u8 led_def_curr;
+ u32 glass_attenuation;
+ u32 als_scf_BH1770;
+ u32 als_scf_SFH7770;
u8 prox_hysteresis;
u8 prox_min_thresh_BH1770;
u8 prox_min_thresh_SFH7770;
--
1.7.10.4
--
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