Re: [PATCH 0/2] Fixes for the mcp2221 gpiochip get_* calls

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, 04 Apr 2023 14:14:58 +0200, Louis Morhet wrote:
> The mcp2221 HID driver exposes a gpiochip device.
> While gpioset seemed to work fine, gpioget always returned 1 on all 4
> GPIOs of the component (0x01 for input in the field "direction",
> according to the documentation).
> 
> This patch series addresses this issue by fixing the order of the fields
> in the driver's representation of the chip answer, and adding
> consistency to the way the callbacks prepare their command and the way
> the hid event handler gets these fields.
> The set callbacks use a similar mechanism, but work for now because
> setting a direction/value only requires gpio-specific positioning in the
> command preparation, and not in the raw_event handler.
> 
> [...]

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git (for-6.4/mcp2221), thanks!

[1/2] HID: mcp2221: fix report layout for gpio get
      https://git.kernel.org/hid/hid/c/e36c31f8cac5
[2/2] HID: mcp2221: fix get and get_direction for gpio
      https://git.kernel.org/hid/hid/c/ca6961d8a851

Cheers,
-- 
Benjamin Tissoires <benjamin.tissoires@xxxxxxxxxx>




[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux