Files
android_kernel_xiaomi_sm8450/drivers
Guenter Roeck b48a05cee2 hwmon: (lm90) Reduce maximum conversion rate for G781
[ Upstream commit a66c5ed539277b9f2363bbace0dba88b85b36c26 ]

According to its datasheet, G781 supports a maximum conversion rate value
of 8 (62.5 ms). However, chips labeled G781 and G780 were found to only
support a maximum conversion rate value of 7 (125 ms). On the other side,
chips labeled G781-1 and G784 were found to support a conversion rate value
of 8. There is no known means to distinguish G780 from G781 or G784; all
chips report the same manufacturer ID and chip revision.
Setting the conversion rate register value to 8 on chips not supporting
it causes unexpected behavior since the real conversion rate is set to 0
(16 seconds) if a value of 8 is written into the conversion rate register.
Limit the conversion rate register value to 7 for all G78x chips to avoid
the problem.

Fixes: ae544f64cc ("hwmon: (lm90) Add support for GMT G781")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-02-01 17:25:44 +01:00
..
2021-07-20 16:05:42 +02:00
2022-02-01 17:25:40 +01:00
2021-11-18 14:03:42 +01:00
2022-01-27 10:53:51 +01:00
2021-11-18 14:03:51 +01:00
2022-02-01 17:25:42 +01:00