Revision 8e37395c3a5dceff62a5010ebbbc107f4145935c authored by Linus Torvalds on 20 October 2021, 16:13:22 UTC, committed by Linus Torvalds on 20 October 2021, 16:13:22 UTC
Pull sound fixes from Takashi Iwai: "Again it became bigger than wished, unfortunately, as this contains quite a few ASoC fixes that came up a bit late. It also includes yet more HD- and USB-audio quirks: I decided to merge them now, as those are for stable, and we'll need them sooner or later. Although the volumes are a bit high, all changes are device-specific (and reasonably small) fixes, so it should be safe for the late rc" * tag 'sound-5.15-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: usb-audio: Fix microphone sound on Jieli webcam. ALSA: hda/realtek: Fixes HP Spectre x360 15-eb1xxx speakers ALSA: usb-audio: Provide quirk for Sennheiser GSP670 Headset ALSA: hda/realtek: Add quirk for Clevo PC50HS ALSA: usb-audio: add Schiit Hel device to quirk table ASoC: wm8960: Fix clock configuration on slave mode ASoC: cs42l42: Ensure 0dB full scale volume is used for headsets ASoC: soc-core: fix null-ptr-deref in snd_soc_del_component_unlocked() ASoC: codec: wcd938x: Add irq config support ASoC: DAPM: Fix missing kctl change notifications ASoC: Intel: bytcht_es8316: Utilize dev_err_probe() to avoid log saturation ASoC: Intel: bytcht_es8316: Switch to use gpiod_get_optional() ASoC: Intel: bytcht_es8316: Use temporary variable for struct device ASoC: Intel: bytcht_es8316: Get platform data via dev_get_platdata() ASoC: wcd938x: Fix jack detection issue ASoC: nau8824: Fix headphone vs headset, button-press detection no longer working ASoC: cs4341: Add SPI device ID table ASoC: pcm179x: Add missing entries SPI to device ID table ASoC: fsl_xcvr: Fix channel swap issue with ARC ASoC: pcm512x: Mend accesses to the I2S_1 and I2S_2 registers
tmp513.rst
.. SPDX-License-Identifier: GPL-2.0
Kernel driver tmp513
====================
Supported chips:
* Texas Instruments TMP512
Prefix: 'tmp512'
Datasheet: https://www.ti.com/lit/ds/symlink/tmp512.pdf
* Texas Instruments TMP513
Prefix: 'tmp513'
Datasheet: https://www.ti.com/lit/ds/symlink/tmp513.pdf
Authors:
Eric Tremblay <etremblay@distech-controls.com>
Description
-----------
This driver implements support for Texas Instruments TMP512, and TMP513.
The TMP512 (dual-channel) and TMP513 (triple-channel) are system monitors
that include remote sensors, a local temperature sensor, and a high-side current
shunt monitor. These system monitors have the capability of measuring remote
temperatures, on-chip temperatures, and system voltage/power/current
consumption.
The temperatures are measured in degrees Celsius with a range of
-40 to + 125 degrees with a resolution of 0.0625 degree C.
For hysteresis value, only the first channel is writable. Writing to it
will affect all other values since each channels are sharing the same
hysteresis value. The hysteresis is in degrees Celsius with a range of
0 to 127.5 degrees with a resolution of 0.5 degree.
The driver exports the temperature values via the following sysfs files:
**temp[1-4]_input**
**temp[1-4]_crit**
**temp[1-4]_crit_alarm**
**temp[1-4]_crit_hyst**
The driver read the shunt voltage from the chip and convert it to current.
The readable range depends on the "ti,pga-gain" property (default to 8) and the
shunt resistor value. The value resolution will be equal to 10uV/Rshunt.
The driver exports the shunt currents values via the following sysFs files:
**curr1_input**
**curr1_lcrit**
**curr1_lcrit_alarm**
**curr1_crit**
**curr1_crit_alarm**
The bus voltage range is read from the chip with a resolution of 4mV. The chip
can be configurable in two different range (32V or 16V) using the
ti,bus-range-microvolt property in the devicetree.
The driver exports the bus voltage values via the following sysFs files:
**in0_input**
**in0_lcrit**
**in0_lcrit_alarm**
**in0_crit**
**in0_crit_alarm**
The bus power and bus currents range and resolution depends on the calibration
register value. Those values are calculate by the hardware using those
formulas:
Current = (ShuntVoltage * CalibrationRegister) / 4096
Power = (Current * BusVoltage) / 5000
The driver exports the bus current and bus power values via the following
sysFs files:
**curr2_input**
**power1_input**
**power1_crit**
**power1_crit_alarm**
The calibration process follow the procedure of the datasheet (without overflow)
and depend on the shunt resistor value and the pga_gain value.
Computing file changes ...
