diff options
| author | Zick Wei <zick.wei@quanta.corp-partner.google.com> | 2020-12-09 15:07:30 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-12-11 03:20:33 +0000 |
| commit | a97d8653e83265a038830643250ac6f7ee39adbd (patch) | |
| tree | 32a6cc5c7b69f818e84bc0717622770fa5f460dd /board/berknip | |
| parent | b5b267fbfe2493c38f920f610de4d79d2c6f50ee (diff) | |
| download | chrome-ec-a97d8653e83265a038830643250ac6f7ee39adbd.tar.gz | |
berknip: remove retimer HPD control
berknip dali sku will control HPD to mst when detect USB-C device has DP
function, but when EC get attention command from device, HPD will
not set high or low as attention required, so mst hub will not
update display information when attach/de-attach display device
from hub/dock/dongle.
BUG=b:175163382
BRANCH=zork
TEST=verify OS will update display information when remove
display on hub/dock/dongle side.
Signed-off-by: Zick Wei <zick.wei@quanta.corp-partner.google.com>
Change-Id: I468692be11b41e914c66f6101f62a9c2a8a46262
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2581124
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'board/berknip')
| -rw-r--r-- | board/berknip/board.c | 14 |
1 files changed, 0 insertions, 14 deletions
diff --git a/board/berknip/board.c b/board/berknip/board.c index e0cf6b8da8..c53b30bcb4 100644 --- a/board/berknip/board.c +++ b/board/berknip/board.c @@ -271,19 +271,6 @@ static int board_tusb544_mux_set(const struct usb_mux *me, return EC_SUCCESS; } -static int board_ps8743_mux_set(const struct usb_mux *me, - mux_state_t mux_state) -{ - if (mux_state & USB_PD_MUX_DP_ENABLED) - /* Enable IN_HPD on the DB */ - gpio_or_ioex_set_level(board_usbc1_retimer_inhpd, 1); - else - /* Disable IN_HPD on the DB */ - gpio_or_ioex_set_level(board_usbc1_retimer_inhpd, 0); - - return EC_SUCCESS; -} - const struct usb_mux usbc1_tusb544 = { .usb_port = USBC_PORT_C1, .i2c_port = I2C_PORT_TCPC1, @@ -296,7 +283,6 @@ const struct usb_mux usbc1_ps8743 = { .i2c_port = I2C_PORT_TCPC1, .i2c_addr_flags = PS8743_I2C_ADDR1_FLAG, .driver = &ps8743_usb_mux_driver, - .board_set = &board_ps8743_mux_set, }; /***************************************************************************** |