On Tue 12 Jun 03:54 PDT 2018, Amit Kucheria wrote:
> Signed-off-by: Amit Kucheria <amit.kucheria@xxxxxxxxxx>
Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
Regards,
Bjorn
> ---
> drivers/thermal/qcom/tsens-common.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/thermal/qcom/tsens-common.c b/drivers/thermal/qcom/tsens-common.c
> index 961ace4..f510e61 100644
> --- a/drivers/thermal/qcom/tsens-common.c
> +++ b/drivers/thermal/qcom/tsens-common.c
> @@ -114,6 +114,9 @@ int get_temp_common(struct tsens_device *tmdev, int id, int *temp)
> #define STATUS_VALID_BIT BIT(21)
> #define CODE_SIGN_BIT BIT(11)
>
> +#define TRDY_OFFSET 0xe4
> +#define TRDY_READY_BIT BIT(0)
> +
> int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp)
> {
> struct tsens_sensor *s = &tmdev->sensor[id];
> @@ -121,6 +124,12 @@ int get_temp_tsens_v2(struct tsens_device *tmdev, int id, int *temp)
> unsigned int sensor_addr;
> int last_temp = 0, last_temp2 = 0, last_temp3 = 0, ret;
>
> + ret = regmap_read(tmdev->map, TRDY_OFFSET, &code);
> + if (ret)
> + return ret;
> + if (code & TRDY_READY_BIT)
> + return -ENODATA;
> +
> sensor_addr = STATUS_OFFSET + s->hw_id * 4;
> ret = regmap_read(tmdev->map, sensor_addr, &code);
> if (ret)
> --
> 2.7.4
>
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