diff mbox series

iio: hid-sensor-prox: Fix scale not correct issue

Message ID 20210120074935.26637-1-xiang.ye@intel.com
State Superseded
Headers show
Series iio: hid-sensor-prox: Fix scale not correct issue | expand

Commit Message

Ye Xiang Jan. 20, 2021, 7:49 a.m. UTC
Currently, the proxy sensor scale is zero because it just return the
exponent directly. To fix this issue, this patch use
hid_sensor_format_scale to process the scale first then return the
output.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
---
 drivers/iio/light/hid-sensor-prox.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

Comments

Jonathan Cameron Jan. 23, 2021, 4:04 p.m. UTC | #1
On Wed, 20 Jan 2021 15:49:35 +0800
Ye Xiang <xiang.ye@intel.com> wrote:

> Currently, the proxy sensor scale is zero because it just return the

> exponent directly. To fix this issue, this patch use

> hid_sensor_format_scale to process the scale first then return the

> output.

> 

> Signed-off-by: Ye Xiang <xiang.ye@intel.com>


Fixes tag please. Otherwise, looks correct to me.

Thanks

Jonathan

> ---

>  drivers/iio/light/hid-sensor-prox.c | 13 +++++++++++--

>  1 file changed, 11 insertions(+), 2 deletions(-)

> 

> diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c

> index 4ab285a418d5..4abcfe48f1d4 100644

> --- a/drivers/iio/light/hid-sensor-prox.c

> +++ b/drivers/iio/light/hid-sensor-prox.c

> @@ -23,6 +23,9 @@ struct prox_state {

>  	struct hid_sensor_common common_attributes;

>  	struct hid_sensor_hub_attribute_info prox_attr;

>  	u32 human_presence;

> +	int scale_pre_decml;

> +	int scale_post_decml;

> +	int scale_precision;

>  };

>  

>  static const u32 prox_sensitivity_addresses[] = {

> @@ -98,8 +101,9 @@ static int prox_read_raw(struct iio_dev *indio_dev,

>  		ret_type = IIO_VAL_INT;

>  		break;

>  	case IIO_CHAN_INFO_SCALE:

> -		*val = prox_state->prox_attr.units;

> -		ret_type = IIO_VAL_INT;

> +		*val = prox_state->scale_pre_decml;

> +		*val2 = prox_state->scale_post_decml;

> +		ret_type = prox_state->scale_precision;

>  		break;

>  	case IIO_CHAN_INFO_OFFSET:

>  		*val = hid_sensor_convert_exponent(

> @@ -221,6 +225,11 @@ static int prox_parse_report(struct platform_device *pdev,

>  	dev_dbg(&pdev->dev, "prox %x:%x\n", st->prox_attr.index,

>  			st->prox_attr.report_id);

>  

> +	st->scale_precision = hid_sensor_format_scale(

> +				hsdev->usage,

> +				&st->prox_attr,

> +				&st->scale_pre_decml, &st->scale_post_decml);

> +

>  	return ret;

>  }

>
diff mbox series

Patch

diff --git a/drivers/iio/light/hid-sensor-prox.c b/drivers/iio/light/hid-sensor-prox.c
index 4ab285a418d5..4abcfe48f1d4 100644
--- a/drivers/iio/light/hid-sensor-prox.c
+++ b/drivers/iio/light/hid-sensor-prox.c
@@ -23,6 +23,9 @@  struct prox_state {
 	struct hid_sensor_common common_attributes;
 	struct hid_sensor_hub_attribute_info prox_attr;
 	u32 human_presence;
+	int scale_pre_decml;
+	int scale_post_decml;
+	int scale_precision;
 };
 
 static const u32 prox_sensitivity_addresses[] = {
@@ -98,8 +101,9 @@  static int prox_read_raw(struct iio_dev *indio_dev,
 		ret_type = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SCALE:
-		*val = prox_state->prox_attr.units;
-		ret_type = IIO_VAL_INT;
+		*val = prox_state->scale_pre_decml;
+		*val2 = prox_state->scale_post_decml;
+		ret_type = prox_state->scale_precision;
 		break;
 	case IIO_CHAN_INFO_OFFSET:
 		*val = hid_sensor_convert_exponent(
@@ -221,6 +225,11 @@  static int prox_parse_report(struct platform_device *pdev,
 	dev_dbg(&pdev->dev, "prox %x:%x\n", st->prox_attr.index,
 			st->prox_attr.report_id);
 
+	st->scale_precision = hid_sensor_format_scale(
+				hsdev->usage,
+				&st->prox_attr,
+				&st->scale_pre_decml, &st->scale_post_decml);
+
 	return ret;
 }