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iio: dac: ad3552r: change AD3552R_NUM_CH define name

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After model data and num_hw_channles introduction, we have:

ad3552r_desc, num_ch: used to keep channel number set in fdt,
ad35xxr_model_data, num_hw_channels: for max channel checks,
AD3552R_NUM_CH: just actually used to define the max array size
on allocated arrays.

Renaming AD3552R_NUM_CH to a more consistent name, as AD3552R_MAX_CH.

Signed-off-by: Angelo Dureghello <adureghello@baylibre.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20240522150141.1776196-6-adureghello@baylibre.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Angelo Dureghello 2024-05-22 17:01:40 +02:00 committed by Jonathan Cameron
parent ea1c94d785
commit d421302a91
1 changed files with 5 additions and 5 deletions
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10
drivers/iio/dac/ad3552r.c
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@ -117,7 +117,7 @@
#define AD3552R_REG_ADDR_CH_INPUT_24B(ch) (0x4B - (1 - ch) * 3)
/* Useful defines */
#define AD3552R_NUM_CH 2
#define AD3552R_MAX_CH 2
#define AD3552R_MASK_CH(ch) BIT(ch)
#define AD3552R_MASK_ALL_CH GENMASK(1, 0)
#define AD3552R_MAX_REG_SIZE 3
@ -279,8 +279,8 @@ struct ad3552r_desc {
struct gpio_desc *gpio_reset;
struct gpio_desc *gpio_ldac;
struct spi_device *spi;
struct ad3552r_ch_data ch_data[AD3552R_NUM_CH];
struct iio_chan_spec channels[AD3552R_NUM_CH + 1];
struct ad3552r_ch_data ch_data[AD3552R_MAX_CH];
struct iio_chan_spec channels[AD3552R_MAX_CH + 1];
unsigned long enabled_ch;
unsigned int num_ch;
};
@ -539,7 +539,7 @@ static int32_t ad3552r_trigger_hw_ldac(struct gpio_desc *ldac)
static int ad3552r_write_all_channels(struct ad3552r_desc *dac, u8 *data)
{
int err, len;
u8 addr, buff[AD3552R_NUM_CH * AD3552R_MAX_REG_SIZE + 1];
u8 addr, buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE + 1];
addr = AD3552R_REG_ADDR_CH_INPUT_24B(1);
/* CH1 */
@ -597,7 +597,7 @@ static irqreturn_t ad3552r_trigger_handler(int irq, void *p)
struct iio_buffer *buf = indio_dev->buffer;
struct ad3552r_desc *dac = iio_priv(indio_dev);
/* Maximum size of a scan */
u8 buff[AD3552R_NUM_CH * AD3552R_MAX_REG_SIZE];
u8 buff[AD3552R_MAX_CH * AD3552R_MAX_REG_SIZE];
int err;
memset(buff, 0, sizeof(buff));