This patch updates all of the logging commands so that they are
consistent with the other messages, includes __func__ in the message,
and all of the messages include newlines.

This patch also removes some debug log messages from tsl2x7x_prox_cal().

Signed-off-by: Brian Masney <masn...@onstation.org>
---
 drivers/staging/iio/light/tsl2x7x.c | 58 ++++++++++++++++++++-----------------
 1 file changed, 31 insertions(+), 27 deletions(-)

diff --git a/drivers/staging/iio/light/tsl2x7x.c 
b/drivers/staging/iio/light/tsl2x7x.c
index da7a4e025083..fb91c46c8747 100644
--- a/drivers/staging/iio/light/tsl2x7x.c
+++ b/drivers/staging/iio/light/tsl2x7x.c
@@ -378,7 +378,8 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
                ret = i2c_smbus_read_byte_data(chip->client, reg);
                if (ret < 0) {
                        dev_err(&chip->client->dev,
-                               "failed to read. err=%x\n", ret);
+                               "%s: failed to read from register %x: %d\n",
+                               __func__, reg, ret);
                        goto out_unlock;
                }
 
@@ -424,7 +425,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev)
 
        /* note: lux is 31 bit max at this point */
        if (ch1lux > ch0lux) {
-               dev_dbg(&chip->client->dev, "ch1lux > ch0lux-return last 
value\n");
+               dev_dbg(&chip->client->dev,
+                       "%s: ch1lux > ch0lux; returning last value\n",
+                       __func__);
                ret = chip->als_cur_info.lux;
                goto out_unlock;
        }
@@ -600,7 +603,8 @@ static int tsl2x7x_als_calibrate(struct iio_dev *indio_dev)
 
        chip->settings.als_gain_trim = ret;
        dev_info(&chip->client->dev,
-                "%s als_calibrate completed\n", chip->client->name);
+                "%s: %s ALS calibration successfully completed\n",
+                __func__, chip->client->name);
 
        return ret;
 }
@@ -644,7 +648,8 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
        /* and make sure we're not already on */
        if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {
                /* if forcing a register update - turn off, then on */
-               dev_info(&chip->client->dev, "device is already enabled\n");
+               dev_info(&chip->client->dev, "%s: device is already enabled\n",
+                        __func__);
                return -EINVAL;
        }
 
@@ -681,12 +686,14 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
         */
        for (i = 0, dev_reg = chip->tsl2x7x_config;
                        i < TSL2X7X_MAX_CONFIG_REG; i++) {
-               ret = i2c_smbus_write_byte_data(chip->client,
-                                               TSL2X7X_CMD_REG + i,
+               int reg = TSL2X7X_CMD_REG + i;
+
+               ret = i2c_smbus_write_byte_data(chip->client, reg,
                                                *dev_reg++);
                if (ret < 0) {
                        dev_err(&chip->client->dev,
-                               "failed on write to reg %d.\n", i);
+                               "%s: failed to write to register %x: %d\n",
+                               __func__, reg, ret);
                        return ret;
                }
        }
@@ -708,7 +715,8 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
        chip->tsl2x7x_chip_status = TSL2X7X_CHIP_WORKING;
 
        if (chip->settings.interrupts_en != 0) {
-               dev_info(&chip->client->dev, "Setting Up Interrupt(s)\n");
+               dev_info(&chip->client->dev, "%s: Setting up interrupt(s)\n",
+                        __func__);
 
                reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL;
                if (chip->settings.interrupts_en == 0x20 ||
@@ -819,8 +827,8 @@ static int tsl2x7x_prox_cal(struct iio_dev *indio_dev)
 
        if (chip->settings.prox_max_samples_cal > MAX_SAMPLES_CAL) {
                dev_err(&chip->client->dev,
-                       "max prox samples cal is too big: %d\n",
-                       chip->settings.prox_max_samples_cal);
+                       "%s: prox_max_samples_cal %d is too big\n",
+                       __func__, chip->settings.prox_max_samples_cal);
                chip->settings.prox_max_samples_cal = MAX_SAMPLES_CAL;
        }
 
@@ -845,8 +853,6 @@ static int tsl2x7x_prox_cal(struct iio_dev *indio_dev)
                if (ret < 0)
                        return ret;
                prox_history[i] = chip->prox_data;
-               dev_info(&chip->client->dev, "2 i=%d prox data= %d\n",
-                        i, chip->prox_data);
        }
 
        ret = tsl2x7x_chip_off(indio_dev);
@@ -857,12 +863,6 @@ static int tsl2x7x_prox_cal(struct iio_dev *indio_dev)
                               chip->settings.prox_max_samples_cal, cal);
        chip->settings.prox_thres_high = (cal->max << 1) - cal->mean;
 
-       dev_info(&chip->client->dev, " cal min=%d mean=%d max=%d\n",
-                cal->min, cal->mean, cal->max);
-       dev_info(&chip->client->dev,
-                "%s proximity threshold set to %d\n",
-                chip->client->name, chip->settings.prox_thres_high);
-
        /* back to the way they were */
        chip->settings.interrupts_en = tmp_irq_settings;
        if (current_state == TSL2X7X_CHIP_WORKING) {
@@ -1000,12 +1000,14 @@ static ssize_t in_illuminance0_lux_table_store(struct 
device *dev,
        n = value[0];
        if ((n % 3) || n < 6 ||
            n > ((ARRAY_SIZE(chip->tsl2x7x_device_lux) - 1) * 3)) {
-               dev_info(dev, "LUX TABLE INPUT ERROR 1 Value[0]=%d\n", n);
+               dev_info(dev, "%s: lux table input error 1. n=%d\n",
+                        __func__, n);
                return -EINVAL;
        }
 
        if ((value[(n - 2)] | value[(n - 1)] | value[n]) != 0) {
-               dev_info(dev, "LUX TABLE INPUT ERROR 2 Value[0]=%d\n", n);
+               dev_info(dev, "%s: lux table input error 2. n=%d\n",
+                        __func__, n);
                return -EINVAL;
        }
 
@@ -1150,14 +1152,14 @@ static int tsl2x7x_write_event_value(struct iio_dev 
*indio_dev,
                        chip->settings.persistence &= 0xF0;
                        chip->settings.persistence |=
                                (filter_delay & 0x0F);
-                       dev_info(&chip->client->dev, "%s: ALS persistence = %d",
+                       dev_info(&chip->client->dev, "%s: ALS persistence = 
%d\n",
                                 __func__, filter_delay);
                } else {
                        chip->settings.persistence &= 0x0F;
                        chip->settings.persistence |=
                                ((filter_delay << 4) & 0xF0);
                        dev_info(&chip->client->dev,
-                                "%s: Proximity persistence = %d",
+                                "%s: Proximity persistence = %d\n",
                                 __func__, filter_delay);
                }
                ret = 0;
@@ -1372,7 +1374,7 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev,
                chip->settings.als_time =
                        TSL2X7X_MAX_TIMER_CNT - (val2 / TSL2X7X_MIN_ITIME);
 
-               dev_info(&chip->client->dev, "%s: als time = %d",
+               dev_info(&chip->client->dev, "%s: als time = %d\n",
                         __func__, chip->settings.als_time);
                break;
        default:
@@ -1738,8 +1740,9 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
 
        ret = i2c_smbus_write_byte(clientp, TSL2X7X_CMD_REG | TSL2X7X_CNTRL);
        if (ret < 0) {
-               dev_err(&clientp->dev, "write to cmd reg failed. err = %d\n",
-                       ret);
+               dev_err(&clientp->dev,
+                       "%s: Failed to write to CMD register: %d\n",
+                       __func__, ret);
                return ret;
        }
 
@@ -1773,7 +1776,7 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
                                                indio_dev);
                if (ret) {
                        dev_err(&clientp->dev,
-                               "%s: irq request failed", __func__);
+                               "%s: IRQ request failed\n", __func__);
                        return ret;
                }
        }
@@ -1790,7 +1793,8 @@ static int tsl2x7x_probe(struct i2c_client *clientp,
                return ret;
        }
 
-       dev_info(&clientp->dev, "%s Light sensor found.\n", id->name);
+       dev_info(&clientp->dev, "%s: %s Light sensor found.\n", __func__,
+                id->name);
 
        return 0;
 }
-- 
2.14.3

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