On Tue, Mar 12, 2013 at 09:52:26PM -0700, Guenter Roeck wrote:
> On Wed, Mar 13, 2013 at 09:38:20AM +0530, Naveen Krishna Chatradhi wrote:
> > This patch adds DT support to NTC driver to parse the
> > platform data.
> >
> > Also adds the support to work as an iio device.
> >
> > During the probe ntc driver gets the respective channels of ADC
> > and uses iio_raw_read calls to get the ADC converted value.
> >
> > Signed-off-by: Naveen Krishna Chatradhi <ch.nav...@samsung.com>
>
> Unfortunately there is still something we'll need to sort out:
>
> fs/sysfs/Kconfig:1: symbol SYSFS is selected by AT91_ADC
> drivers/iio/adc/Kconfig:85: symbol AT91_ADC depends on IIO
> drivers/iio/Kconfig:5: symbol IIO is selected by SENSORS_NTC_THERMISTOR
> drivers/hwmon/Kconfig:900: symbol SENSORS_NTC_THERMISTOR depends on HWMON
> drivers/hwmon/Kconfig:5: symbol HWMON is selected by EEEPC_LAPTOP
> drivers/platform/x86/Kconfig:477: symbol EEEPC_LAPTOP depends on
> HOTPLUG_PCI
> drivers/pci/hotplug/Kconfig:5: symbol HOTPLUG_PCI depends on SYSFS
>
> So we can not just select IIO. I'll see if I can find a solution.
>
Here it is:
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index f7adbe8..47d2176 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -899,7 +899,7 @@ config SENSORS_MCP3021
config SENSORS_NTC_THERMISTOR
tristate "NTC thermistor support"
- select IIO if OF
+ depends on (!OF && !IIO) || (OF && IIO)
help
This driver supports NTC thermistors sensor reading and its
interpretation. The driver can also monitor the temperature and
I'll modify the patch accordingly. No need to resubmit.
Thanks,
Guenter
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