Commit c38180bf authored by George Stark's avatar George Stark Committed by Jonathan Cameron
Browse files

iio: adc: meson: add enum for iio channel numbers 



Channels could be referenced in the driver code and using enum allows
to make it more robust.

Signed-off-by: default avatarGeorge Stark <GNStark@sberdevices.ru>
Reviewed-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230714114010.293440-5-gnstark@sberdevices.ru


Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 2b592ff4

drivers/iio/adc/meson_saradc.c

+29 −17
Original line number Diff line number Diff line
@@ -224,27 +224,39 @@ enum meson_sar_adc_chan7_mux_sel { 
	CHAN7_MUX_CH7_INPUT = 0x7,

};



enum meson_sar_adc_channel_index {

	NUM_CHAN_0,

	NUM_CHAN_1,

	NUM_CHAN_2,

	NUM_CHAN_3,

	NUM_CHAN_4,

	NUM_CHAN_5,

	NUM_CHAN_6,

	NUM_CHAN_7,

	NUM_CHAN_TEMP,

};



static const struct iio_chan_spec meson_sar_adc_iio_channels[] = {

	MESON_SAR_ADC_CHAN(0),

	MESON_SAR_ADC_CHAN(1),

	MESON_SAR_ADC_CHAN(2),

	MESON_SAR_ADC_CHAN(3),

	MESON_SAR_ADC_CHAN(4),

	MESON_SAR_ADC_CHAN(5),

	MESON_SAR_ADC_CHAN(6),

	MESON_SAR_ADC_CHAN(7),

	MESON_SAR_ADC_CHAN(NUM_CHAN_0),

	MESON_SAR_ADC_CHAN(NUM_CHAN_1),

	MESON_SAR_ADC_CHAN(NUM_CHAN_2),

	MESON_SAR_ADC_CHAN(NUM_CHAN_3),

	MESON_SAR_ADC_CHAN(NUM_CHAN_4),

	MESON_SAR_ADC_CHAN(NUM_CHAN_5),

	MESON_SAR_ADC_CHAN(NUM_CHAN_6),

	MESON_SAR_ADC_CHAN(NUM_CHAN_7),

};



static const struct iio_chan_spec meson_sar_adc_and_temp_iio_channels[] = {

	MESON_SAR_ADC_CHAN(0),

	MESON_SAR_ADC_CHAN(1),

	MESON_SAR_ADC_CHAN(2),

	MESON_SAR_ADC_CHAN(3),

	MESON_SAR_ADC_CHAN(4),

	MESON_SAR_ADC_CHAN(5),

	MESON_SAR_ADC_CHAN(6),

	MESON_SAR_ADC_CHAN(7),

	MESON_SAR_ADC_TEMP_CHAN(8),

	MESON_SAR_ADC_CHAN(NUM_CHAN_0),

	MESON_SAR_ADC_CHAN(NUM_CHAN_1),

	MESON_SAR_ADC_CHAN(NUM_CHAN_2),

	MESON_SAR_ADC_CHAN(NUM_CHAN_3),

	MESON_SAR_ADC_CHAN(NUM_CHAN_4),

	MESON_SAR_ADC_CHAN(NUM_CHAN_5),

	MESON_SAR_ADC_CHAN(NUM_CHAN_6),

	MESON_SAR_ADC_CHAN(NUM_CHAN_7),

	MESON_SAR_ADC_TEMP_CHAN(NUM_CHAN_TEMP),

};



struct meson_sar_adc_param {