Re: [PATCH v11 2/8] Input: goodix - reset device at init
From: Bastien Nocera
Date: Thu Nov 19 2015 - 10:25:40 EST
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
I'll test again with a newer kernel.
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