Hosts the 0x221E linux distro kernel. https://universe.0xinfinity.dev/distro/kernel/atom?h=linux-4.17.y 2017-10-30T23:55:20Z 2017-10-30T23:55:20Z Dan Carpenter dan.carpenter@oracle.com 2017-10-20T00:28:45Z urn:sha1:85b4587f8e94143bafb8b6a4003a5187b9a8753d There is one caller which checks whether rpi_touchscreen_i2c_read() returns negative error codes. Currently it can't because negative error codes are truncated to u8, but that's easy to fix if we change the type to int. Fixes: 2f733d6194bd ("drm/panel: Add support for the Raspberry Pi 7" Touchscreen.") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20171020002845.kar2wg7gqxg7tzqi@mwanda Reviewed-by: Eric Anholt <eric@anholt.net> 2017-10-06T19:10:16Z Eric Anholt eric@anholt.net 2017-09-27T19:36:54Z urn:sha1:2f733d6194bd58b26b705698f96b0f0bd9225369 This driver communicates with the Atmel microcontroller for sequencing the poweron of the TC358762 DSI-DPI bridge and controlling the backlight PWM. v2: Set the same default orientation as the closed source firmware used, which is the best for viewing angle. v3: Rewrite as an i2c client driver after bridge driver rejection. v4: Finish probe without the DSI host, using the new delayed registration, and attach to the host during mipi_dsi_driver probe. v5: Rework to drop the "probe without DSI host" mode again, now that vc4 will create the host early on. v6: Drop unused brightness #define (noticed by Thierry) Signed-off-by: Eric Anholt <eric@anholt.net> Link: https://patchwork.freedesktop.org/patch/msgid/20170927193654.12609-4-eric@anholt.net Reviewed-by: Archit Taneja <architt@codeaurora.org> Acked-by: Thierry Reding <treding@nvidia.com>