hwmon: (sht15) add support for the status register

* Add support for:
  - Heater.
  - End of battery notice.
  - Ability not to reload from OTP.
  - Low resolution (12bit temp, 8bit humidity).
* Add an utility function to read individual bytes from the device.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/sht15.h b/include/linux/sht15.h
index 1e302146bdc8..d836ca617323 100644
--- a/include/linux/sht15.h
+++ b/include/linux/sht15.h
@@ -19,10 +19,14 @@
  * @gpio_sck:           no. of gpio to which the data clock is connected.
  * @supply_mv:          supply voltage in mv. Overridden by regulator if
  *                      available.
+ * @no_otp_reload:      flag to indicate no reload from OTP.
+ * @low_resolution:     flag to indicate the temp/humidity resolution to use.
  */
 struct sht15_platform_data {
         int gpio_data;
         int gpio_sck;
         int supply_mv;
+        bool no_otp_reload;
+        bool low_resolution;
 };