Messages in this thread | | | Subject | Re: [PATCH v11 2/8] Input: goodix - reset device at init | From | Bastien Nocera <> | Date | Thu, 19 Nov 2015 16:25:03 +0100 |
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On Thu, 2015-11-19 at 14:26 +0200, Irina Tirdea wrote: > After power on, it is recommended that the driver resets the device. > The reset procedure timing is described in the datasheet and is used > at device init (before writing device configuration) and > for power management. It is a sequence of setting the interrupt > and reset pins high/low at specific timing intervals. This procedure > also includes setting the slave address to the one specified in the > ACPI/device tree.
This fails on a 4.3 kernel with an ACPI device (WinBook TW100): Goodix-TS: probe of i2c-GDIX1001:00 failed with error -16
Can you please document which upstream commit is necessary to make this behave properly?
I'll test again with a newer kernel.
Cheers
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