hwmon: (ads1015) Make gain and datarate configurable

Configuration for ads1015 gain and datarate is possible via
devicetree or platform data.

This is a followup patch to previous ads1015 patches on Jean Delvares
tree.

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/include/linux/i2c/ads1015.h b/include/linux/i2c/ads1015.h
index 8541c6acfafd..d5aa2a045669 100644
--- a/include/linux/i2c/ads1015.h
+++ b/include/linux/i2c/ads1015.h
@@ -21,8 +21,16 @@
 #ifndef LINUX_ADS1015_H
 #define LINUX_ADS1015_H
 
+#define ADS1015_CHANNELS 8
+
+struct ads1015_channel_data {
+        bool enabled;
+        unsigned int pga;
+        unsigned int data_rate;
+};
+
 struct ads1015_platform_data {
-        unsigned int exported_channels;
+        struct ads1015_channel_data channel_data[ADS1015_CHANNELS];
 };
 
 #endif /* LINUX_ADS1015_H */