diff options
| author | Neil Armstrong | 2018-07-04 17:08:18 +0200 |
|---|---|---|
| committer | Lee Jones | 2018-07-13 09:44:31 +0200 |
| commit | 57e94c8b974db2d83c60e1139c89a70806abbea0 (patch) | |
| tree | 223d7b91c8356871acf8cf91aedd08bf65236d43 /include/linux/mfd | |
| parent | drm/i915: hdmi: add CEC notifier to intel_hdmi (diff) | |
| download | kernel-qcow2-linux-57e94c8b974db2d83c60e1139c89a70806abbea0.tar.gz kernel-qcow2-linux-57e94c8b974db2d83c60e1139c89a70806abbea0.tar.xz kernel-qcow2-linux-57e94c8b974db2d83c60e1139c89a70806abbea0.zip | |
mfd: cros-ec: Increase maximum mkbp event size
Having a 16 byte mkbp event size makes it possible to send CEC
messages from the EC to the AP directly inside the mkbp event
instead of first doing a notification and then a read.
Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'include/linux/mfd')
| -rw-r--r-- | include/linux/mfd/cros_ec.h | 2 | ||||
| -rw-r--r-- | include/linux/mfd/cros_ec_commands.h | 16 |
2 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index 32421dfeb996..20949dde35cd 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -147,7 +147,7 @@ struct cros_ec_device { bool mkbp_event_supported; struct blocking_notifier_head event_notifier; - struct ec_response_get_next_event event_data; + struct ec_response_get_next_event_v1 event_data; int event_size; u32 host_event_wake_mask; }; diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index f2edd9969b40..c4f0caa642be 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -2093,12 +2093,28 @@ union ec_response_get_next_data { uint32_t sysrq; } __packed; +union ec_response_get_next_data_v1 { + uint8_t key_matrix[16]; + uint32_t host_event; + uint32_t buttons; + uint32_t switches; + uint32_t sysrq; + uint32_t cec_events; + uint8_t cec_message[16]; +} __packed; + struct ec_response_get_next_event { uint8_t event_type; /* Followed by event data if any */ union ec_response_get_next_data data; } __packed; +struct ec_response_get_next_event_v1 { + uint8_t event_type; + /* Followed by event data if any */ + union ec_response_get_next_data_v1 data; +} __packed; + /* Bit indices for buttons and switches.*/ /* Buttons */ #define EC_MKBP_POWER_BUTTON 0 |