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Date: Tue, 21 Nov 2023 09:28:16 +0100 (CET) From: Jiri Kosina <jikos@...nel.org> To: Johannes Roith <johannes@...-linux.rocks> cc: sergeantsagara@...tonmail.com, andi.shyti@...nel.org, benjamin.tissoires@...hat.com, christophe.jaillet@...adoo.fr, linux-input@...r.kernel.org, linux-kernel@...r.kernel.org, rdunlap@...radead.org Subject: Re: [PATCH v7] HID: mcp2200: added driver for GPIOs of MCP2200 On Thu, 21 Sep 2023, Johannes Roith wrote: > Added a gpiochip compatible driver to control the 8 GPIOs of > the MCP2200 by using the HID interface. > > Using GPIOs with alternative functions (GP0<->SSPND, GP1<->USBCFG, > GP6<->RXLED, GP7<->TXLED) will reset the functions, if set (unset by > default). > > The driver was tested while also using the UART of the chip. Setting > and reading the GPIOs has no effect on the UART communication. However, > a reset is triggered after the CONFIGURE command. If the GPIO Direction > is constantly changed, this will affect the communication at low baud > rates. This is a hardware problem of the MCP2200 and is not caused by > the driver. > > Signed-off-by: Johannes Roith <johannes@...-linux.rocks> Now applied to hid.git#for-6.8/mcp2200. Thanks and sorry for the delay in the review. -- Jiri Kosina SUSE Labs
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