These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / iio / light / tsl2563.c

diff --git a/kernel/drivers/iio/light/tsl2563.c b/kernel/drivers/iio/light/tsl2563.c
index 94daa9f..12731d6 100644 (file)
--- a/kernel/drivers/iio/light/tsl2563.c
+++ b/kernel/drivers/iio/light/tsl2563.c
@@ -240,7 +240,7 @@ static int tsl2563_read_id(struct tsl2563_chip *chip, u8 *id)
  * convert between normalized values and HW values obtained using given
  * timing and gain settings.
  */
-static int adc_shiftbits(u8 timing)
+static int tsl2563_adc_shiftbits(u8 timing)
 {
        int shift = 0;
 
@@ -263,9 +263,9 @@ static int adc_shiftbits(u8 timing)
 }
 
 /* Convert a HW ADC value to normalized scale. */
-static u32 normalize_adc(u16 adc, u8 timing)
+static u32 tsl2563_normalize_adc(u16 adc, u8 timing)
 {
-       return adc << adc_shiftbits(timing);
+       return adc << tsl2563_adc_shiftbits(timing);
 }
 
 static void tsl2563_wait_adc(struct tsl2563_chip *chip)
@@ -350,8 +350,8 @@ static int tsl2563_get_adc(struct tsl2563_chip *chip)
                retry = tsl2563_adjust_gainlevel(chip, adc0);
        }
 
-       chip->data0 = normalize_adc(adc0, chip->gainlevel->gaintime);
-       chip->data1 = normalize_adc(adc1, chip->gainlevel->gaintime);
+       chip->data0 = tsl2563_normalize_adc(adc0, chip->gainlevel->gaintime);
+       chip->data1 = tsl2563_normalize_adc(adc1, chip->gainlevel->gaintime);
 
        if (!chip->int_enabled)
                schedule_delayed_work(&chip->poweroff_work, 5 * HZ);
@@ -361,13 +361,13 @@ out:
        return ret;
 }
 
-static inline int calib_to_sysfs(u32 calib)
+static inline int tsl2563_calib_to_sysfs(u32 calib)
 {
        return (int) (((calib * CALIB_BASE_SYSFS) +
                       CALIB_FRAC_HALF) >> CALIB_FRAC_BITS);
 }
 
-static inline u32 calib_from_sysfs(int value)
+static inline u32 tsl2563_calib_from_sysfs(int value)
 {
        return (((u32) value) << CALIB_FRAC_BITS) / CALIB_BASE_SYSFS;
 }
@@ -426,7 +426,7 @@ static const struct tsl2563_lux_coeff lux_table[] = {
 };
 
 /* Convert normalized, scaled ADC values to lux. */
-static unsigned int adc_to_lux(u32 adc0, u32 adc1)
+static unsigned int tsl2563_adc_to_lux(u32 adc0, u32 adc1)
 {
        const struct tsl2563_lux_coeff *lp = lux_table;
        unsigned long ratio, lux, ch0 = adc0, ch1 = adc1;
@@ -442,7 +442,7 @@ static unsigned int adc_to_lux(u32 adc0, u32 adc1)
 }
 
 /* Apply calibration coefficient to ADC count. */
-static u32 calib_adc(u32 adc, u32 calib)
+static u32 tsl2563_calib_adc(u32 adc, u32 calib)
 {
        unsigned long scaled = adc;
 
@@ -463,9 +463,9 @@ static int tsl2563_write_raw(struct iio_dev *indio_dev,
        if (mask != IIO_CHAN_INFO_CALIBSCALE)
                return -EINVAL;
        if (chan->channel2 == IIO_MOD_LIGHT_BOTH)
-               chip->calib0 = calib_from_sysfs(val);
+               chip->calib0 = tsl2563_calib_from_sysfs(val);
        else if (chan->channel2 == IIO_MOD_LIGHT_IR)
-               chip->calib1 = calib_from_sysfs(val);
+               chip->calib1 = tsl2563_calib_from_sysfs(val);
        else
                return -EINVAL;
 
@@ -491,11 +491,11 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev,
                        ret = tsl2563_get_adc(chip);
                        if (ret)
                                goto error_ret;
-                       calib0 = calib_adc(chip->data0, chip->calib0) *
+                       calib0 = tsl2563_calib_adc(chip->data0, chip->calib0) *
                                chip->cover_comp_gain;
-                       calib1 = calib_adc(chip->data1, chip->calib1) *
+                       calib1 = tsl2563_calib_adc(chip->data1, chip->calib1) *
                                chip->cover_comp_gain;
-                       *val = adc_to_lux(calib0, calib1);
+                       *val = tsl2563_adc_to_lux(calib0, calib1);
                        ret = IIO_VAL_INT;
                        break;
                case IIO_INTENSITY:
@@ -515,9 +515,9 @@ static int tsl2563_read_raw(struct iio_dev *indio_dev,
 
        case IIO_CHAN_INFO_CALIBSCALE:
                if (chan->channel2 == IIO_MOD_LIGHT_BOTH)
-                       *val = calib_to_sysfs(chip->calib0);
+                       *val = tsl2563_calib_to_sysfs(chip->calib0);
                else
-                       *val = calib_to_sysfs(chip->calib1);
+                       *val = tsl2563_calib_to_sysfs(chip->calib1);
                ret = IIO_VAL_INT;
                break;
        default:
@@ -750,8 +750,8 @@ static int tsl2563_probe(struct i2c_client *client,
        chip->high_thres = 0xffff;
        chip->gainlevel = tsl2563_gainlevel_table;
        chip->intr = TSL2563_INT_PERSIST(4);
-       chip->calib0 = calib_from_sysfs(CALIB_BASE_SYSFS);
-       chip->calib1 = calib_from_sysfs(CALIB_BASE_SYSFS);
+       chip->calib0 = tsl2563_calib_from_sysfs(CALIB_BASE_SYSFS);
+       chip->calib1 = tsl2563_calib_from_sysfs(CALIB_BASE_SYSFS);
 
        if (pdata)
                chip->cover_comp_gain = pdata->cover_comp_gain;