From: David Heidelberg <david@ixit.cz>
To: linux-iio@vger.kernel.org
Cc: David Heidelberg <david@ixit.cz>,
Dmitry Osipenko <digetx@gmail.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Subject: [PATCH v2 3/7] iio: light: al3320a slightly improve code formatting
Date: Tue, 28 Jan 2020 14:30:48 +0100 [thread overview]
Message-ID: <20200128133052.201587-4-david@ixit.cz> (raw)
In-Reply-To: <20200128133052.201587-1-david@ixit.cz>
Modified to be in part with al3010 driver.
Signed-off-by: David Heidelberg <david@ixit.cz>
---
drivers/iio/light/al3320a.c | 21 ++++++++++++++-------
1 file changed, 14 insertions(+), 7 deletions(-)
diff --git a/drivers/iio/light/al3320a.c b/drivers/iio/light/al3320a.c
index a21aa99e74e4..613830b7df6e 100644
--- a/drivers/iio/light/al3320a.c
+++ b/drivers/iio/light/al3320a.c
@@ -38,6 +38,11 @@
#define AL3320A_GAIN_SHIFT 1
#define AL3320A_GAIN_MASK (BIT(2) | BIT(1))
+#define AL3320A_GAIN_READ(g) \
+ (((g) & AL3320A_GAIN_MASK) >> AL3320A_GAIN_SHIFT)
+#define AL3320A_GAIN_WRITE(g) \
+ (((g) << AL3320A_GAIN_SHIFT) & AL3320A_GAIN_MASK)
+
/* chip params default values */
#define AL3320A_DEFAULT_MEAN_TIME 4
@@ -90,7 +95,7 @@ static int al3320a_init(struct al3320a_data *data)
return ret;
ret = i2c_smbus_write_byte_data(data->client, AL3320A_REG_CONFIG_RANGE,
- AL3320A_RANGE_3 << AL3320A_GAIN_SHIFT);
+ AL3320A_GAIN_WRITE(AL3320A_RANGE_3));
if (ret < 0)
return ret;
@@ -133,7 +138,7 @@ static int al3320a_read_raw(struct iio_dev *indio_dev,
if (ret < 0)
return ret;
- ret = (ret & AL3320A_GAIN_MASK) >> AL3320A_GAIN_SHIFT;
+ ret = AL3320A_GAIN_READ(ret);
*val = al3320a_scales[ret][0];
*val2 = al3320a_scales[ret][1];
@@ -152,11 +157,13 @@ static int al3320a_write_raw(struct iio_dev *indio_dev,
switch (mask) {
case IIO_CHAN_INFO_SCALE:
for (i = 0; i < ARRAY_SIZE(al3320a_scales); i++) {
- if (val == al3320a_scales[i][0] &&
- val2 == al3320a_scales[i][1])
- return i2c_smbus_write_byte_data(data->client,
- AL3320A_REG_CONFIG_RANGE,
- i << AL3320A_GAIN_SHIFT);
+ if (val != al3320a_scales[i][0] ||
+ val2 != al3320a_scales[i][1])
+ continue;
+
+ return i2c_smbus_write_byte_data(data->client,
+ AL3320A_REG_CONFIG_RANGE,
+ AL3320A_GAIN_WRITE(i));
}
break;
}
--
2.25.0
next prev parent reply other threads:[~2020-01-28 13:32 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-28 13:30 [PATCH 0/7] iio: light: AL3010 introduction David Heidelberg
2020-01-28 13:30 ` [PATCH v2 1/7] dt-bindings: iio: light: add support for Dyna-Image AL3320A David Heidelberg
2020-01-31 14:23 ` Rob Herring
2020-01-28 13:30 ` [PATCH v2 2/7] dt-bindings: iio: light: add support for Dyna-Image AL3010 David Heidelberg
2020-01-28 19:43 ` Dmitry Osipenko
2020-01-31 14:24 ` Rob Herring
2020-01-31 14:28 ` Dmitry Osipenko
2020-01-28 13:30 ` David Heidelberg [this message]
2020-01-28 13:30 ` [PATCH v2 4/7] iio: light: add Dyna-Image AL3010 driver David Heidelberg
2020-01-28 13:30 ` [PATCH v2 5/7] iio: light: al3010 implement suspend support David Heidelberg
2020-01-28 19:46 ` Dmitry Osipenko
2020-01-28 13:30 ` [PATCH v2 6/7] iio: light: al3320a " David Heidelberg
2020-01-28 13:30 ` [PATCH v2 7/7] iio: light: al3320a allow module autoload and polish David Heidelberg
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