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authorNeil Armstrong <narmstrong@baylibre.com>2018-07-04 17:08:18 +0200
committerLee Jones <lee.jones@linaro.org>2018-07-13 08:44:31 +0100
commit57e94c8b974db2d83c60e1139c89a70806abbea0 (patch)
tree223d7b91c8356871acf8cf91aedd08bf65236d43 /include/linux/mfd
parent9c229127aee2d7e80858b5d52a9a7049355b621c (diff)
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.h2
-rw-r--r--include/linux/mfd/cros_ec_commands.h16
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