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cros_ec: Add support for switches

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On x86 platforms the EC provides a way to read 'switches', which are
on/off values determined by the EC.

Add a new driver method for this and implement it for LPC.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2021-01-16 14:52:28 -07:00
parent 2b4b653391
commit 3a6c994f38
7 changed files with 120 additions and 0 deletions
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26
test/dm/cros_ec.c
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@@ -75,3 +75,29 @@ static int dm_test_cros_ec_features(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_cros_ec_features, UT_TESTF_SCAN_FDT);
static int dm_test_cros_ec_switches(struct unit_test_state *uts)
{
struct udevice *dev;
ut_assertok(uclass_first_device_err(UCLASS_CROS_EC, &dev));
ut_asserteq(0, cros_ec_get_switches(dev));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec switches", 0));
ut_assert_console_end();
/* Open the lid and check the switch changes */
sandbox_cros_ec_set_test_flags(dev, CROSECT_LID_OPEN);
ut_asserteq(EC_SWITCH_LID_OPEN, cros_ec_get_switches(dev));
/* try the command */
console_record_reset();
ut_assertok(run_command("crosec switches", 0));
ut_assert_nextline("lid open");
ut_assert_console_end();
return 0;
}
DM_TEST(dm_test_cros_ec_switches, UT_TESTF_SCAN_FDT);