iio: adc: driver for ti adc081s/adc101s/adc121s (4d2b6d8c) · Commits · 戴 / test

drivers/iio/adc/ad7476.c

+22 −1

Original line number	Diff line number	Diff line
		/*
		* AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver
		* Analog Devices AD7466/7/8 AD7476/5/7/8 (A) SPI ADC driver
		* TI ADC081S/ADC101S/ADC121S 8/10/12-bit SPI ADC driver
		*
		* Copyright 2010 Analog Devices Inc.
		*
		@@ -56,6 +57,9 @@ enum ad7476_supported_device_ids {
		ID_AD7468,
		ID_AD7495,
		ID_AD7940,
		ID_ADC081S,
		ID_ADC101S,
		ID_ADC121S,
		};

		static irqreturn_t ad7476_trigger_handler(int irq, void *p)
		@@ -147,6 +151,8 @@ static int ad7476_read_raw(struct iio_dev *indio_dev,
		}, \
		}

		#define ADC081S_CHAN(bits) _AD7476_CHAN((bits), 12 - (bits), \
		BIT(IIO_CHAN_INFO_RAW))
		#define AD7476_CHAN(bits) _AD7476_CHAN((bits), 13 - (bits), \
		BIT(IIO_CHAN_INFO_RAW))
		#define AD7940_CHAN(bits) _AD7476_CHAN((bits), 15 - (bits), \
		@@ -192,6 +198,18 @@ static const struct ad7476_chip_info ad7476_chip_info_tbl[] = {
		.channel[0] = AD7940_CHAN(14),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADC081S] = {
		.channel[0] = ADC081S_CHAN(8),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADC101S] = {
		.channel[0] = ADC081S_CHAN(10),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		[ID_ADC121S] = {
		.channel[0] = ADC081S_CHAN(12),
		.channel[1] = IIO_CHAN_SOFT_TIMESTAMP(1),
		},
		};

		static const struct iio_info ad7476_info = {
		@@ -294,6 +312,9 @@ static const struct spi_device_id ad7476_id[] = {
		{"ad7910", ID_AD7467},
		{"ad7920", ID_AD7466},
		{"ad7940", ID_AD7940},
		{"adc081s", ID_ADC081S},
		{"adc101s", ID_ADC101S},
		{"adc121s", ID_ADC121S},
		{}
		};
		MODULE_DEVICE_TABLE(spi, ad7476_id);