diff options
| author | james_chao <james_chao@asus.com> | 2016-07-26 12:03:00 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2016-08-09 22:11:09 -0700 |
| commit | c144822368a3b112c4aeaafd24f208e38b650fe9 (patch) | |
| tree | ee5f88072b4cbefa684c6f545456a23bd1ab44f0 | |
| parent | f5f92bb83e3c89df3f0bf6b4844e070fba8a8159 (diff) | |
| download | chrome-ec-c144822368a3b112c4aeaafd24f208e38b650fe9.tar.gz | |
Acpi: Notify host when orientation changes
1. EC send EC_HOST_EVENT_MODE_CHANGE(29/0x1D) when mode changes
2. Host read current "physical mode" from EC ERAM
3. Host Nodify DPTF object
BUG=chrome-os-partner:53526
BRANCH=master
TEST=make buildall
Change-Id: I3ede1ffd203024199884b3a0c56347ae630e6062
Signed-off-by: james_chao <james_chao@asus.com>
Reviewed-on: https://chromium-review.googlesource.com/363220
Commit-Ready: BoChao Jhan <james_chao@asus.com>
Tested-by: BoChao Jhan <james_chao@asus.com>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
| -rw-r--r-- | common/acpi.c | 7 | ||||
| -rw-r--r-- | include/config.h | 3 | ||||
| -rw-r--r-- | include/ec_commands.h | 10 |
3 files changed, 20 insertions, 0 deletions
diff --git a/common/acpi.c b/common/acpi.c index f4aba3af9b..f73dfd2db5 100644 --- a/common/acpi.c +++ b/common/acpi.c @@ -167,6 +167,13 @@ int acpi_ap_to_ec(int is_cmd, uint8_t value, uint8_t *resultptr) result = EC_ACPI_MEM_CHARGING_LIMIT_DISABLED; break; #endif + +#ifdef CONFIG_DPTF_DEVICE_ORIENTATION + case EC_ACPI_MEM_DEVICE_ORIENTATION: + result = board_get_device_orientation(); + break; +#endif + default: result = acpi_read(acpi_addr); break; diff --git a/include/config.h b/include/config.h index a752e4c4d1..929c830013 100644 --- a/include/config.h +++ b/include/config.h @@ -810,6 +810,9 @@ */ #undef CONFIG_FAN_UPDATE_PERIOD +/* Send event when mode change, host read acpi memory and select DPTF table */ +#undef CONFIG_DPTF_DEVICE_ORIENTATION + /*****************************************************************************/ /* Flash configuration */ diff --git a/include/ec_commands.h b/include/ec_commands.h index 45a2d7b30a..463bec7d9a 100644 --- a/include/ec_commands.h +++ b/include/ec_commands.h @@ -306,6 +306,13 @@ #define EC_ACPI_MEM_CHARGING_LIMIT_DISABLED 0xff /* + * Report device orientation + * bit 0 device is tablet mode + */ +#define EC_ACPI_MEM_DEVICE_ORIENTATION 0x09 +#define EC_ACPI_MEM_DEVICE_TABLET_MODE 0x01 + +/* * ACPI addresses 0x20 - 0xff map to EC_MEMMAP offset 0x00 - 0xdf. This data * is read-only from the AP. Added in EC_ACPI_MEM_VERSION 2. */ @@ -443,6 +450,9 @@ enum host_event_code { /* EC desires to change state of host-controlled USB mux */ EC_HOST_EVENT_USB_MUX = 28, + /* TABLET/LAPTOP mode event*/ + EC_HOST_EVENT_MODE_CHANGE = 29, + /* * The high bit of the event mask is not used as a host event code. If * it reads back as set, then the entire event mask should be |