diff options
Diffstat (limited to 'drivers/iio/light/cm3232.c')
| -rw-r--r-- | drivers/iio/light/cm3232.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c index e864d2ef036e..3a3ad6b4c468 100644 --- a/drivers/iio/light/cm3232.c +++ b/drivers/iio/light/cm3232.c @@ -54,22 +54,21 @@ static const struct { struct cm3232_als_info { u8 regs_cmd_default; u8 hw_id; - int calibscale; int mlux_per_bit; int mlux_per_bit_base_it; }; -static struct cm3232_als_info cm3232_als_info_default = { +static const struct cm3232_als_info cm3232_als_info_default = { .regs_cmd_default = CM3232_CMD_DEFAULT, .hw_id = CM3232_HW_ID, - .calibscale = CM3232_CALIBSCALE_DEFAULT, .mlux_per_bit = CM3232_MLUX_PER_BIT_DEFAULT, .mlux_per_bit_base_it = CM3232_MLUX_PER_BIT_BASE_IT, }; struct cm3232_chip { struct i2c_client *client; - struct cm3232_als_info *als_info; + const struct cm3232_als_info *als_info; + int calibscale; u8 regs_cmd; u16 regs_als; }; @@ -199,7 +198,7 @@ static int cm3232_write_als_it(struct cm3232_chip *chip, int val, int val2) static int cm3232_get_lux(struct cm3232_chip *chip) { struct i2c_client *client = chip->client; - struct cm3232_als_info *als_info = chip->als_info; + const struct cm3232_als_info *als_info = chip->als_info; int ret; int val, val2; int als_it; @@ -222,7 +221,7 @@ static int cm3232_get_lux(struct cm3232_chip *chip) chip->regs_als = (u16)ret; lux *= chip->regs_als; - lux *= als_info->calibscale; + lux *= chip->calibscale; lux = div_u64(lux, CM3232_CALIBSCALE_RESOLUTION); lux = div_u64(lux, CM3232_MLUX_PER_LUX); @@ -237,7 +236,6 @@ static int cm3232_read_raw(struct iio_dev *indio_dev, int *val, int *val2, long mask) { struct cm3232_chip *chip = iio_priv(indio_dev); - struct cm3232_als_info *als_info = chip->als_info; int ret; switch (mask) { @@ -248,7 +246,7 @@ static int cm3232_read_raw(struct iio_dev *indio_dev, *val = ret; return IIO_VAL_INT; case IIO_CHAN_INFO_CALIBSCALE: - *val = als_info->calibscale; + *val = chip->calibscale; return IIO_VAL_INT; case IIO_CHAN_INFO_INT_TIME: return cm3232_read_als_it(chip, val, val2); @@ -262,11 +260,10 @@ static int cm3232_write_raw(struct iio_dev *indio_dev, int val, int val2, long mask) { struct cm3232_chip *chip = iio_priv(indio_dev); - struct cm3232_als_info *als_info = chip->als_info; switch (mask) { case IIO_CHAN_INFO_CALIBSCALE: - als_info->calibscale = val; + chip->calibscale = val; return 0; case IIO_CHAN_INFO_INT_TIME: return cm3232_write_als_it(chip, val, val2); @@ -339,6 +336,7 @@ static int cm3232_probe(struct i2c_client *client) chip = iio_priv(indio_dev); i2c_set_clientdata(client, indio_dev); chip->client = client; + chip->calibscale = CM3232_CALIBSCALE_DEFAULT; indio_dev->channels = cm3232_channels; indio_dev->num_channels = ARRAY_SIZE(cm3232_channels); |