From c38180bf3d1e2460e0674f8e58045f2e2fa74613 Mon Sep 17 00:00:00 2001 From: George Stark Date: Fri, 14 Jul 2023 14:37:51 +0300 Subject: [PATCH] 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: George Stark Reviewed-by: Andy Shevchenko Link: https://lore.kernel.org/r/20230714114010.293440-5-gnstark@sberdevices.ru Signed-off-by: Jonathan Cameron --- drivers/iio/adc/meson_saradc.c | 46 ++++++++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 17 deletions(-) diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c index 705d9f0..ea1f737 100644 --- a/drivers/iio/adc/meson_saradc.c +++ b/drivers/iio/adc/meson_saradc.c @@ -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 { -- 2.7.4