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| author | Edward Hill <ecgh@chromium.org> | 2020-05-04 19:56:11 -0600 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2020-05-05 05:51:29 +0000 |
| commit | 95abc80e5b38434f92204eece73bc6974fdd30ac (patch) | |
| tree | ee5949f7e039e0cb714fb46ae0766f6651c8c027 /baseboard/zork/baseboard.c | |
| parent | af09e1bdd78924850fd6f1c188c9203c77757153 (diff) | |
| download | chrome-ec-95abc80e5b38434f92204eece73bc6974fdd30ac.tar.gz | |
Zork: Add PI3HDX1204 power control.
Power the PI3HDX1204 HDMI retimer on at resume and off at suspend.
BUG=b:154874071
BRANCH=none
TEST=HDMI still works
Signed-off-by: Edward Hill <ecgh@chromium.org>
Change-Id: I1753177db4b99d2c4a6af0720ace70ad3ba7f530
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2181794
Reviewed-by: Denis Brockus <dbrockus@chromium.org>
Commit-Queue: Denis Brockus <dbrockus@chromium.org>
Diffstat (limited to 'baseboard/zork/baseboard.c')
| -rw-r--r-- | baseboard/zork/baseboard.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/baseboard/zork/baseboard.c b/baseboard/zork/baseboard.c index 438dafc22d..ae38c519f6 100644 --- a/baseboard/zork/baseboard.c +++ b/baseboard/zork/baseboard.c @@ -20,6 +20,7 @@ #include "driver/bc12/pi3usb9201.h" #include "driver/ppc/aoz1380.h" #include "driver/ppc/nx20p348x.h" +#include "driver/retimer/pi3hdx1204.h" #include "driver/tcpm/nct38xx.h" #include "driver/temp_sensor/sb_tsi.h" #include "driver/temp_sensor/tmp432.h" @@ -573,3 +574,16 @@ void hdmi_hpd_interrupt(enum ioex_signal signal) /* Debounce for 2 msec. */ hook_call_deferred(&hdmi_hpd_handler_data, (2 * MSEC)); } + +static void pi3hdx1204_retimer_power(void) +{ + if (ec_config_has_hdmi_retimer_pi3hdx1204()) { + int enable = chipset_in_or_transitioning_to_state( + CHIPSET_STATE_ON); + pi3hdx1204_enable(I2C_PORT_TCPC1, + PI3HDX1204_I2C_ADDR_FLAGS, + enable); + } +} +DECLARE_HOOK(HOOK_CHIPSET_RESUME, pi3hdx1204_retimer_power, HOOK_PRIO_DEFAULT); +DECLARE_HOOK(HOOK_CHIPSET_SUSPEND, pi3hdx1204_retimer_power, HOOK_PRIO_DEFAULT); |