Hello,
thanks, it's OK for me.
Acked-by: Jean-Baptiste Maneyrol <jmaneyrol@xxxxxxxxxxxxxx>
Best regards,
JB
From: Rohit Sarkar <rohitsarkar5398@xxxxxxxxx>
Sent: Friday, March 27, 2020 14:10
To: linux-iio@xxxxxxxxxxxxxxx <linux-iio@xxxxxxxxxxxxxxx>
Cc: Jonathan Cameron <jic23@xxxxxxxxxx>; Hartmut Knaack <knaack.h@xxxxxx>; Lars-Peter Clausen <lars@xxxxxxxxxx>; Peter Meerwald-Stadler <pmeerw@xxxxxxxxxx>; Jean-Baptiste Maneyrol <JManeyrol@xxxxxxxxxxxxxx>; Linus Walleij <linus.walleij@xxxxxxxxxx>;
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>; linux-iio@xxxxxxxxxxxxxxx <linux-iio@xxxxxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx <linux-kernel@xxxxxxxxxxxxxxx>
Subject: [PATCH v2] iio: imu: inv_mpu6050: add debugfs register r/w interface
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The debugfs interface provides direct access to read and write device
registers if debugfs is enabled.
Signed-off-by: Rohit Sarkar <rohitsarkar5398@xxxxxxxxx>
---
Changelog v1->v2
* grab a lock to protect driver state
* add a comma at the end of structure member initialisation
drivers/iio/imu/inv_mpu6050/inv_mpu_core.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 7cb9ff3d3e94..381a3fb09858 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -1248,12 +1248,31 @@ static const struct attribute_group inv_attribute_group = {
.attrs = inv_attributes
};
+static int inv_mpu6050_reg_access(struct iio_dev *indio_dev,
+ unsigned int reg,
+ unsigned int writeval,
+ unsigned int *readval)
+{
+ struct inv_mpu6050_state *st = iio_priv(indio_dev);
+ int ret = 0;
+
+ mutex_lock(&st->lock);
+ if (readval)
+ ret = regmap_read(st->map, reg, readval);
+ else
+ ret = regmap_write(st->map, reg, writeval);
+ mutex_unlock(&st->lock);
+
+ return ret;
+}
+
static const struct iio_info mpu_info = {
.read_raw = &inv_mpu6050_read_raw,
.write_raw = &inv_mpu6050_write_raw,
.write_raw_get_fmt = &inv_write_raw_get_fmt,
.attrs = &inv_attribute_group,
.validate_trigger = inv_mpu6050_validate_trigger,
+ .debugfs_reg_access = &inv_mpu6050_reg_access,
};
/**
--
2.23.0.385.gbc12974a89
