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| author | Vincent Palatin <vpalatin@chromium.org> | 2017-11-24 16:45:34 +0100 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-01-23 05:25:08 -0800 |
| commit | b16f759652f074ee597fc4db8c403a46eab32c50 (patch) | |
| tree | 7588cc544e3f88b471100d16cc2bbd1133c66a8a /util/comm-host.h | |
| parent | 96a7e9fe8120e81a40fe7fe208d17cff80f1a4b9 (diff) | |
| download | chrome-ec-b16f759652f074ee597fc4db8c403a46eab32c50.tar.gz | |
ectool: use poll interface
Test polling for MKBP events through the kernel cros_ec/pd/fp/.. driver
node.
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
BRANCH=none
BUG=b:69460856
TEST=run on Eve EVT:
ectool --name=cros_fp fpmode fingerdown && \
ectool --name=cros_fp waitevent 5 10000
Change-Id: Ibdec137a3b646cf017a29afcf24ff5bbfb731198
Reviewed-on: https://chromium-review.googlesource.com/806167
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Shawn N <shawnn@chromium.org>
Diffstat (limited to 'util/comm-host.h')
| -rw-r--r-- | util/comm-host.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/util/comm-host.h b/util/comm-host.h index a30f0f4adc..bf6921d17d 100644 --- a/util/comm-host.h +++ b/util/comm-host.h @@ -75,4 +75,14 @@ extern int (*ec_command_proto)(int command, int version, */ extern int (*ec_readmem)(int offset, int bytes, void *dest); +/** + * Wait for a MKBP event matching 'mask' for at most 'timeout' milliseconds. + * Then read the incoming event content in 'buffer' (or at most + * 'buf_size' bytes of it). + * Return the size of the event read on success, 0 in case of timeout, + * or a negative value in case of error. + */ +extern int (*ec_pollevent)(unsigned long mask, void *buffer, size_t buf_size, + int timeout); + #endif /* __UTIL_COMM_HOST_H */ |