linux-kernel - [PATCH v3 3/5] meson saradc: add enum for iio channel numbers

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Date:   Wed, 28 Jun 2023 01:37:16 +0300
From:   George Stark <gnstark@...rdevices.ru>
To:     <jic23@...nel.org>, <lars@...afoo.de>, <neil.armstrong@...aro.org>,
        <khilman@...libre.com>, <jbrunet@...libre.com>,
        <martin.blumenstingl@...glemail.com>,
        <andriy.shevchenko@...ux.intel.com>, <nuno.sa@...log.com>,
        <gnstark@...rdevices.ru>
CC:     <linux-iio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-amlogic@...ts.infradead.org>, <kernel@...rdevices.ru>,
        George Stark <GNStark@...rdevices.ru>
Subject: [PATCH v3 3/5] meson saradc: add enum for iio channel numbers

From: George Stark <GNStark@...rdevices.ru>

Add enum for iio channel numbers.

Signed-off-by: George Stark <GNStark@...rdevices.ru>
---
 drivers/iio/adc/meson_saradc.c | 51 +++++++++++++++++++++-------------
 1 file changed, 32 insertions(+), 19 deletions(-)

diff --git a/drivers/iio/adc/meson_saradc.c b/drivers/iio/adc/meson_saradc.c
index 6e69b40b3309..803d7ca2e0fa 100644
--- a/drivers/iio/adc/meson_saradc.c
+++ b/drivers/iio/adc/meson_saradc.c
@@ -224,29 +224,42 @@ 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,
+	NUM_CHAN_SOFT_TIMESTAMP,
+};
+
 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),
-	IIO_CHAN_SOFT_TIMESTAMP(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),
+	IIO_CHAN_SOFT_TIMESTAMP(NUM_CHAN_SOFT_TIMESTAMP),
 };
 
 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),
-	IIO_CHAN_SOFT_TIMESTAMP(9),
+	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),
+	IIO_CHAN_SOFT_TIMESTAMP(NUM_CHAN_SOFT_TIMESTAMP),
 };
 
 struct meson_sar_adc_param {
-- 
2.38.4