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| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2015-04-07 14:35:16 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-04-10 18:48:59 +0000 |
| commit | 50bea9d35f14aacaeb13bfc545f6a93f7ddf64a4 (patch) | |
| tree | f7ed9f01cae185d5a9510c12cc2a837e828babb3 | |
| parent | 52791fc2ac548c4659ecab5344aae430c0d8adc0 (diff) | |
| download | chrome-ec-50bea9d35f14aacaeb13bfc545f6a93f7ddf64a4.tar.gz | |
mec1322: Add EC_CMD_GET_PROTOCOL_INFO handler
Add EC_CMD_GET_PROTOCOL_INFO handler to return info about supported
EC protocols.
BUG=chrome-os-partner:38224
TEST=Manual on Glower. Verify EC driver successfully loads on 3.14
kernel.
BRANCH=None
Change-Id: Ib5195ed720875320e9bd07c1c92a198fd34b842e
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/264455
Reviewed-by: Randall Spangler <rspangler@chromium.org>
| -rw-r--r-- | chip/mec1322/lpc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/chip/mec1322/lpc.c b/chip/mec1322/lpc.c index ab1df04893..fa092a67a8 100644 --- a/chip/mec1322/lpc.c +++ b/chip/mec1322/lpc.c @@ -484,3 +484,22 @@ static int lpc_command_init(int argc, char **argv) return EC_SUCCESS; } DECLARE_CONSOLE_COMMAND(lpcinit, lpc_command_init, NULL, NULL, NULL); + +/* Get protocol information */ +static int lpc_get_protocol_info(struct host_cmd_handler_args *args) +{ + struct ec_response_get_protocol_info *r = args->response; + + memset(r, 0, sizeof(*r)); + r->protocol_versions = (1 << 3); + r->max_request_packet_size = EC_LPC_HOST_PACKET_SIZE; + r->max_response_packet_size = EC_LPC_HOST_PACKET_SIZE; + r->flags = 0; + + args->response_size = sizeof(*r); + + return EC_SUCCESS; +} +DECLARE_HOST_COMMAND(EC_CMD_GET_PROTOCOL_INFO, + lpc_get_protocol_info, + EC_VER_MASK(0)); |