On Sat, May 9, 2015 at 9:45 PM, Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx> wrote: > On Saturday 02 May 2015 14:30:57 Gabriele Mazzotta wrote: >> This driver adds the initial support for the ACPI Ambient Light Sensor >> as defined in Section 9.2 of the ACPI specification (Revision 5.0) [1]. >> >> Sensors complying with the standard are exposed as ACPI devices with >> ACPI0008 as hardware ID and provide standard methods by which the OS >> can query properties of the ambient light environment the system is >> currently operating in. >> >> This driver currently allows only to get the current ambient light >> illuminance reading through the _ALI method, but is ready to be >> extended extended to handle _ALC, _ALT and _ALP as well. >> >> [1] http://www.acpi.info/DOWNLOADS/ACPIspec50.pdf >> >> Signed-off-by: Martin Liska <marxin.liska@xxxxxxxxx> >> Signed-off-by: Marek Vasut <marex@xxxxxxx> >> Signed-off-by: Gabriele Mazzotta <gabriele.mzt@xxxxxxxxx> >> Cc: Zhang Rui <rui.zhang@xxxxxxxxx> >> --- >> Changes since v8: >> - Set realbits to 32 >> - Fix license mismatch (using GPL v2 or later) >> - Drop iio_device_unregister() in favor of devm_iio_device_register() >> >> drivers/iio/light/Kconfig | 12 +++ >> drivers/iio/light/Makefile | 1 + >> drivers/iio/light/acpi-als.c | 232 +++++++++++++++++++++++++++++++++++++++++++ >> 3 files changed, 245 insertions(+) >> create mode 100644 drivers/iio/light/acpi-als.c >> >> diff --git a/drivers/iio/light/Kconfig b/drivers/iio/light/Kconfig >> index 01a1a16..898b2b5 100644 >> --- a/drivers/iio/light/Kconfig >> +++ b/drivers/iio/light/Kconfig >> @@ -5,6 +5,18 @@ >> >> menu "Light sensors" >> >> +config ACPI_ALS >> + tristate "ACPI Ambient Light Sensor" >> + depends on ACPI > > I'm sorry, but I've just noticed that here there should also be > > select IIO_BUFFER > > I hope it's not too late and I can resend this patch if needed. You can send a patch on top of the previous one. Eventually, Jonathan will squash them. Daniel. -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
