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CEC: Add cecset/cecget to ectool

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Set and get CEC parameters. Currently supported
parameters are "enable" and "address"

Signed-off-by: Stefan Adolfsson <sadolfsson@chromium.org>

BUG=b:76467407
BRANCH=none
TEST=Using EC firmware with CEC support, set values
and read them back.
CQ-DEPEND=CL:1030217

Change-Id: I429710f5d8897b23c5b5e54bd10cbf38d1830811
Reviewed-on: https://chromium-review.googlesource.com/1030218
Commit-Ready: Stefan Adolfsson <sadolfsson@chromium.org>
Tested-by: Stefan Adolfsson <sadolfsson@chromium.org>
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
This commit is contained in:
Stefan Adolfsson
2018-04-24 14:54:58 +02:00
committed by chrome-bot
parent 1c941f01db
commit 436dd71e5d
1 changed files with 74 additions and 0 deletions
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74
util/ectool.c
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@@ -76,6 +76,10 @@ const char help_str[] =
" Prints supported version mask for a command number\n"
" console\n"
" Prints the last output to the EC debug console\n"
" cecset <address|enable> <val>\n"
" Set the value of a CEC setting\n"
" cecget <address|enable>\n"
" Get the value of a CEC setting\n"
" cecread [timeout]\n"
" Read data from the CEC bus\n"
" cecwrite [write bytes...]\n"
@@ -7935,6 +7939,74 @@ int cmd_cec_read(int argc, char *argv[])
return 0;
}
static int cec_cmd_from_str(const char *str)
{
if (!strcmp("address", str))
return CEC_CMD_LOGICAL_ADDRESS;
if (!strcmp("enable", str))
return CEC_CMD_ENABLE;
return -1;
}
int cmd_cec_set(int argc, char *argv[])
{
char *e;
struct ec_params_cec_set p;
uint8_t val;
int cmd;
if (argc != 3) {
fprintf(stderr, "Usage: %s [address|enable] param\n", argv[0]);
return -1;
}
val = (uint8_t)strtol(argv[2], &e, 0);
if (e && *e) {
fprintf(stderr, "Bad parameter '%s'.\n", argv[2]);
return -1;
}
cmd = cec_cmd_from_str(argv[1]);
if (cmd < 0) {
fprintf(stderr, "Invalid command '%s'.\n", argv[1]);
return -1;
}
p.cmd = cmd;
p.val = val;
return ec_command(EC_CMD_CEC_SET,
0, &p, sizeof(p), NULL, 0);
}
int cmd_cec_get(int argc, char *argv[])
{
int rv, cmd;
struct ec_params_cec_get p;
struct ec_response_cec_get r;
if (argc != 2) {
fprintf(stderr, "Usage: %s [address|enable]\n", argv[0]);
return -1;
}
cmd = cec_cmd_from_str(argv[1]);
if (cmd < 0) {
fprintf(stderr, "Invalid command '%s'.\n", argv[1]);
return -1;
}
p.cmd = cmd;
rv = ec_command(EC_CMD_CEC_GET, 0, &p, sizeof(p), &r, sizeof(r));
if (rv < 0)
return rv;
printf("%d\n", r.val);
return 0;
}
/* NULL-terminated list of commands */
const struct command commands[] = {
@@ -7954,6 +8026,8 @@ const struct command commands[] = {
{"console", cmd_console},
{"cecwrite", cmd_cec_write},
{"cecread", cmd_cec_read},
{"cecset", cmd_cec_set},
{"cecget", cmd_cec_get},
{"echash", cmd_ec_hash},
{"eventclear", cmd_host_event_clear},
{"eventclearb", cmd_host_event_clear_b},