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Setting the mux to MUX_NONE and the switch to USB_SWITCH_DISCONNECT when the data-role is device is not correct. Plenty of devices support operating as USB device through a (separate) USB device controller. We really need 2 different versions of USB_SWITCH_CONNECT, USB_SWITCH_CONNECT_HOST and USB_SWITCH_DEVICE. Rather then modifying the tcpc_usb_switch enum for this, simply remove it and switch to the usb_role enum which provides exactly this, this will save use needing to convert betweent the 2 enums when calling an usb-role-switch driver later. Besides switching to the usb_role type, this commit also actually sets the mux to TYPEC_MUX_USB and the switch to USB_ROLE_DEVICE instead of setting both to none when the data-role is device. This commit also makes tcpm_reset_port() call tcpm_mux_set(port, TYPEC_MUX_NONE, USB_ROLE_NONE) so that the mux and switch do _not_ stay in their last mode after a detach. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.