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Message-Id: <20240401-ad4111-v1-2-34618a9cc502@analog.com>
Date: Mon, 01 Apr 2024 18:32:20 +0300
From: Dumitru Ceclan via B4 Relay <devnull+dumitru.ceclan.analog.com@...nel.org>
To: Ceclan Dumitru <dumitru.ceclan@...log.com>
Cc: Lars-Peter Clausen <lars@...afoo.de>,
Michael Hennerich <Michael.Hennerich@...log.com>,
Jonathan Cameron <jic23@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, David Lechner <dlechner@...libre.com>,
linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, Dumitru Ceclan <mitrutzceclan@...il.com>
Subject: [PATCH 2/6] iio: adc: ad7173: fix buffers enablement for ad7176-2
From: Dumitru Ceclan <dumitru.ceclan@...log.com>
AD7176-2 does not feature input buffers, enable buffers only on
supported models.
Fixes: cff259bf7274 ("iio: adc: ad7173: fix buffers enablement for ad7176-2")
Signed-off-by: Dumitru Ceclan <dumitru.ceclan@...log.com>
---
drivers/iio/adc/ad7173.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/ad7173.c b/drivers/iio/adc/ad7173.c
index f6d29abe1d04..8a95b1391826 100644
--- a/drivers/iio/adc/ad7173.c
+++ b/drivers/iio/adc/ad7173.c
@@ -145,6 +145,7 @@ struct ad7173_device_info {
unsigned int id;
char *name;
bool has_temp;
+ bool has_input_buf;
bool has_int_ref;
bool has_ref2;
u8 num_gpios;
@@ -212,6 +213,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 2 * HZ_PER_MHZ,
.sinc5_data_rates = ad7173_sinc5_data_rates,
@@ -224,6 +226,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 8,
.num_gpios = 4,
.has_temp = false,
+ .has_input_buf = true,
.has_ref2 = true,
.clock = 2 * HZ_PER_MHZ,
.sinc5_data_rates = ad7173_sinc5_data_rates,
@@ -237,6 +240,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 8,
.num_gpios = 4,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.has_ref2 = true,
.clock = 2 * HZ_PER_MHZ,
@@ -251,6 +255,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 16 * HZ_PER_MHZ,
.sinc5_data_rates = ad7175_sinc5_data_rates,
@@ -263,6 +268,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 8,
.num_gpios = 4,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.has_ref2 = true,
.clock = 16 * HZ_PER_MHZ,
@@ -289,6 +295,7 @@ static const struct ad7173_device_info ad7173_device_info[] = {
.num_configs = 4,
.num_gpios = 2,
.has_temp = true,
+ .has_input_buf = true,
.has_int_ref = true,
.clock = 16 * HZ_PER_MHZ,
.odr_start_value = AD7177_ODR_START_VALUE,
@@ -932,7 +939,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev)
AD7173_CH_ADDRESS(chan_arr[chan_index].channel,
chan_arr[chan_index].channel2);
chan_st_priv->cfg.bipolar = false;
- chan_st_priv->cfg.input_buf = true;
+ chan_st_priv->cfg.input_buf = st->info->has_input_buf;
chan_st_priv->cfg.ref_sel = AD7173_SETUP_REF_SEL_INT_REF;
st->adc_mode |= AD7173_ADC_MODE_REF_EN;
@@ -989,7 +996,7 @@ static int ad7173_fw_parse_channel_config(struct iio_dev *indio_dev)
chan_st_priv->ain = AD7173_CH_ADDRESS(ain[0], ain[1]);
chan_st_priv->chan_reg = chan_index;
- chan_st_priv->cfg.input_buf = true;
+ chan_st_priv->cfg.input_buf = st->info->has_input_buf;
chan_st_priv->cfg.odr = 0;
chan_st_priv->cfg.bipolar = fwnode_property_read_bool(child, "bipolar");
--
2.43.0
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