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