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Subject[PATCH 1/4] Input: sparse-keymap - send sync event for KE_SW/KW_VSW
Sync events are sent by sparse_keymap_report_entry for normal KEY_*
events, and are generated by several drivers after generating
SW_* events, so sparse_keymap_report_entry should do the same.

Without the sync, events are accumulated in the kernel.

Currently, no driver uses sparse-keymap for SW_* events, but
it is required for the intel-vbtn platform driver to generate

Signed-off-by: Stefan Brüns <>

drivers/input/sparse-keymap.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/input/sparse-keymap.c b/drivers/input/sparse-keymap.c
index bb0349fa64bc..fd03e55768c9 100644
--- a/drivers/input/sparse-keymap.c
+++ b/drivers/input/sparse-keymap.c
@@ -255,6 +255,7 @@ void sparse_keymap_report_entry(struct input_dev *dev, const struct key_entry *k

case KE_VSW:
input_report_switch(dev, ke->sw.code, value);
+ input_sync(dev);
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