On 08/05/2015 12:18 PM, Justin Maggard wrote:
On Tue, Aug 4, 2015 at 3:05 PM, Guenter Roeck <linux@xxxxxxxxxxxx> wrote:
On 08/04/2015 02:48 PM, Justin Maggard wrote:
Add support for the IT8732F. This chip is pretty similar to IT8721F,
with the main difference being that the ADC LSB is 10.9 mV instead of
12 mV.
Signed-off-by: Justin Maggard <jmaggard@xxxxxxxxxxx>
Hi Justin,
---
Documentation/hwmon/it87 | 35 ++++++++++++++++++++++-------------
drivers/hwmon/it87.c | 43
++++++++++++++++++++++++++++++++++++-------
I forgot earlier: Please also list the chip in drivers/hwmon/Kconfig.
OK, it'll be there in v3. :-)
[ ... ]
static const struct it87_devices it87_devices[] = {
[it87] = {
@@ -315,6 +319,15 @@ static const struct it87_devices it87_devices[] = {
| FEAT_IN7_INTERNAL,
.peci_mask = 0x07,
},
+ [it8732] = {
+ .name = "it8732",
+ .suffix = "F",
+ .features = FEAT_NEWER_AUTOPWM | FEAT_16BIT_FANS
+ | FEAT_TEMP_OFFSET | FEAT_TEMP_OLD_PECI | FEAT_TEMP_PECI
+ | FEAT_10_9MV_ADC | FEAT_IN7_INTERNAL,
+ .peci_mask = 0x07,
+ .old_peci_mask = 0x02, /* Actually reports PCH */
From the little information we have, I suspect that this may be wrong.
The chip is probably closer to 8771/8772. Please check if the code path
executed if has_temp_old_peci() is true is executed correctly,
and that the registers used in that code path report what is expected.
Most likely FEAT_TEMP_OLD_PECI and old_peci_mask should not be set.
I think I'm getting a little confused here. Both IT8721 and IT8732
claim to use IT87_REG_TEMP_EXTRA bit 7 to enable PCH temperature
mapping to 0x2a. IT87_REG_TEMP_ENABLE bits 7-6 match IT8772, and
bits 5-0 match IT8721.
Me too ;-), but from your description it sounds like your definitions are
correct.
It is really annoying that ITE is so secretive about their chips.
Thanks,
Guenter
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