X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fadc.h;h=5841dfb54b9fb7747d2183962f6c3680ddcc1f07;hb=9eebaba2a843e3fa456ef2f6d244bc1bbecfd18b;hp=4b1401784983b5da17603657b1ad67c6b4c35353;hpb=ed02c532be690b3d0c3e15c81531785a788fd949;p=oweals%2Fu-boot.git
diff --git a/include/adc.h b/include/adc.h
index 4b14017849..5841dfb54b 100644
--- a/include/adc.h
+++ b/include/adc.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2015 Samsung Electronics
* Przemyslaw Marczak
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ADC_H_
@@ -219,6 +218,17 @@ int adc_channels_data(struct udevice *dev, unsigned int channel_mask,
*/
int adc_data_mask(struct udevice *dev, unsigned int *data_mask);
+/**
+ * adc_channel_mask() - get channel mask for given ADC device
+ *
+ * This can be used if adc uclass platform data is filled.
+ *
+ * @dev: ADC device to check
+ * @channel_mask: pointer to the returned channel bitmask
+ * @return: 0 if OK, -ve on error
+ */
+int adc_channel_mask(struct udevice *dev, unsigned int *channel_mask);
+
/**
* adc_channel_single_shot() - get output data of conversion for the ADC
* device's channel. This function searches for the device with the given name,
@@ -285,4 +295,14 @@ int adc_vss_value(struct udevice *dev, int *uV);
*/
int adc_stop(struct udevice *dev);
+/**
+ * adc_raw_to_uV() - converts raw value to microvolts for given ADC device.
+ *
+ * @dev: ADC device used from conversion
+ * @raw: raw value to convert
+ * @uV: converted value in microvolts
+ * @return: 0 on success or -ve on error
+ */
+int adc_raw_to_uV(struct udevice *dev, unsigned int raw, int *uV);
+
#endif