linux-kernel - [PATCH v4 4/7] iio: adc: ad4695: rename AD4695_MAX_VIN

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Message-Id: <20250428-iio-introduce-iio_declare_buffer_with_ts-v4-4-6f7f6126f1cb@baylibre.com>
Date: Mon, 28 Apr 2025 15:23:06 -0500
From: David Lechner <dlechner@...libre.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 David Lechner <dlechner@...libre.com>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>, Lars-Peter Clausen <lars@...afoo.de>, 
 Michael Hennerich <Michael.Hennerich@...log.com>, 
 Eugen Hristev <eugen.hristev@...aro.org>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Alexandre Belloni <alexandre.belloni@...tlin.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v4 4/7] iio: adc: ad4695: rename AD4695_MAX_VIN_CHANNELS

Rename AD4695_MAX_CHANNELS to AD4695_MAX_VIN_CHANNELS. It has been a
point of confusion that this macro is only the voltage input channels
and not all channels.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/adc/ad4695.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/iio/adc/ad4695.c b/drivers/iio/adc/ad4695.c
index 992abf6c63b51dee222caf624e172455fb9b9900..cda419638d9a88debb3501d05a513b17a4ecde95 100644
--- a/drivers/iio/adc/ad4695.c
+++ b/drivers/iio/adc/ad4695.c
@@ -105,7 +105,7 @@
 #define AD4695_REG_ACCESS_SCLK_HZ	(10 * MEGA)
 
 /* Max number of voltage input channels. */
-#define AD4695_MAX_CHANNELS		16
+#define AD4695_MAX_VIN_CHANNELS		16
 
 enum ad4695_in_pair {
 	AD4695_IN_PAIR_REFGND,
@@ -143,8 +143,8 @@ struct ad4695_state {
 	/* offload also requires separate gpio to manually control CNV */
 	struct gpio_desc *cnv_gpio;
 	/* voltages channels plus temperature and timestamp */
-	struct iio_chan_spec iio_chan[AD4695_MAX_CHANNELS + 2];
-	struct ad4695_channel_config channels_cfg[AD4695_MAX_CHANNELS];
+	struct iio_chan_spec iio_chan[AD4695_MAX_VIN_CHANNELS + 2];
+	struct ad4695_channel_config channels_cfg[AD4695_MAX_VIN_CHANNELS];
 	const struct ad4695_chip_info *chip_info;
 	int sample_freq_range[3];
 	/* Reference voltage. */
@@ -157,10 +157,10 @@ struct ad4695_state {
 	 * to control CS and add a delay between the last SCLK and next
 	 * CNV rising edges.
 	 */
-	struct spi_transfer buf_read_xfer[AD4695_MAX_CHANNELS * 2 + 3];
+	struct spi_transfer buf_read_xfer[AD4695_MAX_VIN_CHANNELS * 2 + 3];
 	struct spi_message buf_read_msg;
 	/* Raw conversion data received. */
-	IIO_DECLARE_DMA_BUFFER_WITH_TS(u16, buf, AD4695_MAX_CHANNELS + 1);
+	IIO_DECLARE_DMA_BUFFER_WITH_TS(u16, buf, AD4695_MAX_VIN_CHANNELS + 1);
 	u16 raw_data;
 	/* Commands to send for single conversion. */
 	u16 cnv_cmd;

-- 
2.43.0