From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alper Nebi Yasak Date: Wed, 11 Nov 2020 02:18:49 +0300 Subject: [PATCH] sandbox: cros_ec: Basic support for EC_CMD_GET_NEXT_EVENT In-Reply-To: <14f6121d-d12f-0f9d-8bf6-1ec4014a5f8d@gmx.de> References: <20201110140038.9887-1-alpernebiyasak@gmail.com> <14f6121d-d12f-0f9d-8bf6-1ec4014a5f8d@gmx.de> Message-ID: <6644734e-85f5-aa19-672e-e9d804d9aa5c@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 10/11/2020 20:08, Heinrich Schuchardt wrote: > On 10.11.20 15:00, Alper Nebi Yasak wrote: >> Since commit 690079767803 ("cros_ec: Support keyboard scanning with >> EC_CMD_GET_NEXT_EVENT") the cros-ec-keyb driver has started using this >> command, but the sandbox EC emulator does not recognize it and >> continuously prints: >> >> ** Unknown EC command 0x67 >> >> This patch makes the sandbox driver send basic responses to the command, >> but the response only supports keyboard scans for now. >> >> Fixes: 690079767803 ("cros_ec: Support keyboard scanning with EC_CMD_GET_NEXT_EVENT") >> Reported-by: Heinrich Schuchardt >> Signed-off-by: Alper Nebi Yasak >> --- >> This doesn't test the -EC_RES_UNAVAILABLE part, which looks like an >> event queue on the EC side. As far as I understand sandbox is getting a >> single keyboard state from SDL after discarding pending events. I think >> things would need to be hooked into sandbox_sdl_poll_events, looks >> possible but harder. >> >> Also, now that this command would work, the fallback to the old one >> would never trigger and wouldn't be tested. > > Should some of the comment above be merged into the commit message? Yeah, probably. I just defaulted to the notes since I'd be writing in an informal tone and was not sure if leaving those as future work is OK. > Tested-by: Heinrich Schuchardt Thanks. >> >> drivers/misc/cros_ec_sandbox.c | 8 ++++++++ >> 1 file changed, 8 insertions(+) >> >> diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c >> index a191f061b898..d72db3eace98 100644 >> --- a/drivers/misc/cros_ec_sandbox.c >> +++ b/drivers/misc/cros_ec_sandbox.c >> @@ -460,6 +460,14 @@ static int process_cmd(struct ec_state *ec, >> case EC_CMD_ENTERING_MODE: >> len = 0; >> break; >> + case EC_CMD_GET_NEXT_EVENT: { >> + struct ec_response_get_next_event *resp = resp_data; >> + >> + resp->event_type = EC_MKBP_EVENT_KEY_MATRIX; >> + cros_ec_keyscan(ec, resp->data.key_matrix); >> + len = sizeof(*resp); >> + break; >> + } >> default: >> printf(" ** Unknown EC command %#02x\n", req_hdr->command); >> return -1; >> >