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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers
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Jonathan Cameron 251eb40f5c hwmon: sht15 humidity sensor driver 
Data sheet at:
http://www.sensirion.ch/en/pdf/product_information/Datasheet-humidity-sensor-SHT1x.pdf

These sensors communicate over a 2 wire bus running a device specific
protocol.  The complexity of the driver is mainly due to handling the
substantial delays between requesting a reading and the device pulling the
data line low to indicate that the data is available.  This is handled by
an interrupt that is disabled under all other conditions.

I wasn't terribly clear on the best way to handle this, so comments on
that aspect would be particularly welcome!

Interpretation of the temperature depends on knowing the supply voltage.
If configured in a board config as a regulator consumer this is obtained
from the regulator subsystem.  If not it should be provided in the
platform data.

I've placed this driver in the hwmon subsystem as it is definitely a
device that may be used for hardware monitoring and with it's relatively
slow response times (up to 120 millisecs to get a reading) a caching
strategy certainly seems to make sense!

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2009-04-13 15:04:29 -07:00
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accessibility
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acpi Revert "ACPI battery: fix async boot oops" 2009-04-11 12:45:20 -07:00
amba
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ata ata: fix obviously wrong comment 2009-04-13 04:22:04 -04:00
atm dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
auxdisplay auxdisplay: remove PARPORT dependency 2009-04-01 08:59:17 -07:00
base dma-mapping: replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24) 2009-04-07 08:31:12 -07:00
block xsysace: Fix dereferencing of cf_id after hd_driveid removal 2009-04-08 14:13:04 +02:00
bluetooth
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cdrom
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char esp: fix section mismatch warning 2009-04-07 08:31:03 -07:00
clocksource clocksource: sh_cmt: use remove_irq() and remove clockevent workaround 2009-04-02 11:18:48 +09:00
connector
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cpufreq
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cpuidle
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crypto dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
dca
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dio
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dma dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
edac edac: AMD8111 driver Kconfig & Makefile 2009-04-02 19:05:04 -07:00
eisa
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firewire
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firmware dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
gpio Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2009-04-03 15:24:35 -07:00
gpu Merge branch 'linus' into release 2009-04-05 02:14:15 -04:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2009-04-03 15:25:44 -07:00
hwmon hwmon: sht15 humidity sensor driver 2009-04-13 15:04:29 -07:00
i2c i2c: Let new-style drivers implement attach_adapter 2009-04-13 17:02:14 +02:00
ide at91_ide: turn on PIO 6 support 2009-04-08 14:13:04 +02:00
idle dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) 2009-04-07 08:31:10 -07:00
ieee1394 dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
infiniband Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband 2009-04-09 16:42:26 -07:00
input Merge branch 'next' into for-linus 2009-04-08 00:00:33 -07:00
isdn Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2009-04-06 18:05:43 -07:00
leds leds: just ignore invalid GPIOs in leds-gpio 2009-04-08 14:13:48 +01:00
lguest
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macintosh
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mca
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md dm kcopyd: fix callback race 2009-04-09 00:27:17 +01:00
media Merge git://git.infradead.org/~dwmw2/firmware-2.6 2009-04-10 12:01:22 -07:00
memstick dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
message dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
mfd mfd: fix da903x warning 2009-04-05 00:32:25 +02:00
misc dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
mmc mmc_spi: support for non-byte-aligned cards 2009-04-08 20:45:51 +02:00
mtd Merge branch 'linux-next' of git://git.infradead.org/ubi-2.6 2009-04-06 15:00:00 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-2.6-mn10300 2009-04-10 10:01:49 -07:00
nubus
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of powerpc: add mmc-spi-slot bindings 2009-04-01 08:59:23 -07:00
oprofile Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-04-05 11:04:19 -07:00
parisc parisc: drivers: fix warnings 2009-04-02 00:40:41 +00:00
parport parport: Use the PCI IRQ if offered 2009-04-07 08:44:06 -07:00
pci Merge git://git.infradead.org/iommu-2.6 2009-04-13 11:35:50 -07:00
pcmcia [ARM] 5442/1: pxa/cm-x255: fix reverse RDY gpios in PCMCIA driver 2009-04-02 11:02:32 +01:00
platform Merge branches 'release', 'APERF', 'ARAT', 'misc', 'kelvin', 'device-lock' and 'bjorn.notify' into release 2009-04-07 18:18:42 -04:00
pnp dma-mapping: replace all DMA_24BIT_MASK macro with DMA_BIT_MASK(24) 2009-04-07 08:31:12 -07:00
power Merge git://git.infradead.org/battery-2.6 2009-04-08 17:45:02 -07:00
ps3
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rapidio dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
regulator regulator: twl4030 VAUX3 supports 3.0V 2009-03-31 11:29:54 +01:00
rtc Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6 2009-04-05 11:15:54 -07:00
s390 workqueue: add to_delayed_work() helper function 2009-04-02 19:04:50 -07:00
sbus
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scsi PM/Hibernate: Wait for SCSI devices scan to complete during resume 2009-04-13 11:37:07 -07:00
serial Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze 2009-04-13 08:17:52 -07:00
sh sh: intc: set_irq_wake() support 2009-04-02 11:19:57 +09:00
sn dma-mapping: replace all DMA_64BIT_MASK macro with DMA_BIT_MASK(64) 2009-04-07 08:31:10 -07:00
spi spi_imx: set spi_master.dma_alignment = 4 2009-04-07 08:31:07 -07:00
ssb
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staging serqt: initial clean up pass for tty side 2009-04-07 08:44:05 -07:00
tc
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telephony
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thermal
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uio
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usb Merge master.kernel.org:/home/rmk/linux-2.6-arm 2009-04-08 15:24:09 -07:00
uwb dma-mapping: replace all DMA_32BIT_MASK macro with DMA_BIT_MASK(32) 2009-04-07 08:31:11 -07:00
video efifb: exit if framebuffer address is invalid 2009-04-13 15:04:29 -07:00
virtio
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w1 mfd: remove DS1WM clock handling 2009-04-05 00:32:22 +02:00
watchdog [WATCHDOG] omap_wdt.c: move probe function to .devinit.text 2009-04-08 06:21:57 +00:00
xen Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask 2009-04-05 10:33:07 -07:00
zorro
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Kconfig
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Makefile
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