From: Alexandru Tachici <alexandru.tachici@analog.com>
To: <linux-iio@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: <jic23@kernel.org>, Alexandru Tachici <alexandru.tachici@analog.com>
Subject: [PATCH v3 4/5] Documentation: ABI: testing: ad7192: update sysfs docs
Date: Wed, 12 Feb 2020 18:17:20 +0200 [thread overview]
Message-ID: <20200212161721.16200-5-alexandru.tachici@analog.com> (raw)
In-Reply-To: <20200212161721.16200-1-alexandru.tachici@analog.com>
Updated mainline documentation on ad7192 userspace sysfs.
Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
---
.../ABI/testing/sysfs-bus-iio-adc-ad7192 | 24 ++++++++++++++-----
.../iio/Documentation/sysfs-bus-iio-ad7192 | 20 ----------------
2 files changed, 18 insertions(+), 26 deletions(-)
delete mode 100644 drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192 b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192
index 7627d3be08f5..f8315202c8f0 100644
--- a/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192
+++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-ad7192
@@ -2,17 +2,22 @@ What: /sys/bus/iio/devices/iio:deviceX/ac_excitation_en
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
- Reading gives the state of AC excitation.
- Writing '1' enables AC excitation.
+ This attribute, if available, is used to enable the AC
+ excitation mode found on some converters. In ac excitation mode,
+ the polarity of the excitation voltage is reversed on
+ alternate cycles, to eliminate DC errors.
What: /sys/bus/iio/devices/iio:deviceX/bridge_switch_en
KernelVersion:
Contact: linux-iio@vger.kernel.org
Description:
- This bridge switch is used to disconnect it when there is a
- need to minimize the system current consumption.
- Reading gives the state of the bridge switch.
- Writing '1' enables the bridge switch.
+ This attribute, if available, is used to close or open the
+ bridge power down switch found on some converters.
+ In bridge applications, such as strain gauges and load cells,
+ the bridge itself consumes the majority of the current in the
+ system. To minimize the current consumption of the system,
+ the bridge can be disconnected (when it is not being used
+ using the bridge_switch_en attribute.
What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration
KernelVersion:
@@ -21,6 +26,13 @@ Description:
Initiates the system calibration procedure. This is done on a
single channel at a time. Write '1' to start the calibration.
+What: /sys/bus/iio/devices/iio:deviceX/in_voltage2-voltage2_shorted_raw
+KernelVersion:
+Contact: linux-iio@vger.kernel.org
+Description:
+ Measure voltage from AIN2 pin connected to AIN(+)
+ and AIN(-) shorted.
+
What: /sys/bus/iio/devices/iio:deviceX/in_voltagex_sys_calibration_mode_available
KernelVersion:
Contact: linux-iio@vger.kernel.org
diff --git a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192 b/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192
deleted file mode 100644
index 1c35c507cc05..000000000000
--- a/drivers/staging/iio/Documentation/sysfs-bus-iio-ad7192
+++ /dev/null
@@ -1,20 +0,0 @@
-What: /sys/.../iio:deviceX/ac_excitation_en
-KernelVersion: 3.1.0
-Contact: linux-iio@vger.kernel.org
-Description:
- This attribute, if available, is used to enable the AC
- excitation mode found on some converters. In ac excitation mode,
- the polarity of the excitation voltage is reversed on
- alternate cycles, to eliminate DC errors.
-
-What: /sys/.../iio:deviceX/bridge_switch_en
-KernelVersion: 3.1.0
-Contact: linux-iio@vger.kernel.org
-Description:
- This attribute, if available, is used to close or open the
- bridge power down switch found on some converters.
- In bridge applications, such as strain gauges and load cells,
- the bridge itself consumes the majority of the current in the
- system. To minimize the current consumption of the system,
- the bridge can be disconnected (when it is not being used
- using the bridge_switch_en attribute.
--
2.20.1
next prev parent reply other threads:[~2020-02-12 16:18 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-12 16:17 [PATCH v3 0/5] iio: adc: ad7192: move out of staging Alexandru Tachici
2020-02-12 16:17 ` [PATCH v3 1/5] staging: iio: adc: ad7192: fail probe on get_voltage Alexandru Tachici
2020-02-14 15:40 ` Jonathan Cameron
2020-02-12 16:17 ` [PATCH v3 2/5] staging: iio: adc: ad7192: modify iio_chan_spec array Alexandru Tachici
2020-02-14 15:47 ` Jonathan Cameron
2020-02-12 16:17 ` [PATCH 3/5] staging: iio: adc: ad7192: removed spi_device_id Alexandru Tachici
2020-02-14 15:48 ` Jonathan Cameron
2020-02-12 16:17 ` Alexandru Tachici [this message]
2020-02-14 15:49 ` [PATCH v3 4/5] Documentation: ABI: testing: ad7192: update sysfs docs Jonathan Cameron
2020-02-12 16:17 ` [PATCH v3 5/5] staging: iio: adc: ad7192: move out of staging Alexandru Tachici
2020-02-14 15:50 ` Jonathan Cameron
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