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| author | Simon Glass <sjg@chromium.org> | 2021-01-17 00:52:28 +0300 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2021-01-31 00:25:41 +0300 |
| commit | 3a6c994f3896d66e617acdf9bb58ffc4def08b71 (patch) | |
| tree | d8b222358a56ab098e8a66a3f09a5b2b0d0066ee /drivers/misc/cros_ec_sandbox.c | |
| parent | 2b4b65339110e11b4a859fceeb1eec82b2ebb5f1 (diff) | |
| download | u-boot-3a6c994f3896d66e617acdf9bb58ffc4def08b71.tar.xz | |
cros_ec: Add support for switches
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>
Diffstat (limited to 'drivers/misc/cros_ec_sandbox.c')
| -rw-r--r-- | drivers/misc/cros_ec_sandbox.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c index 7213313c1a..38a2614a99 100644 --- a/drivers/misc/cros_ec_sandbox.c +++ b/drivers/misc/cros_ec_sandbox.c @@ -75,6 +75,7 @@ struct ec_keymatrix_entry { * @keyscan: Current keyscan information (bit set for each row/column pressed) * @recovery_req: Keyboard recovery requested * @test_flags: Flags that control behaviour for tests + * @switches: Current switches value (EC_SWITCH_) */ struct ec_state { u8 vbnv_context[EC_VBNV_BLOCK_SIZE_V2]; @@ -541,6 +542,14 @@ void cros_ec_check_keyboard(struct udevice *dev) } } +/* Return the byte of EC switch states */ +static int cros_ec_sandbox_get_switches(struct udevice *dev) +{ + struct ec_state *ec = dev_get_priv(dev); + + return ec->test_flags & CROSECT_LID_OPEN ? EC_SWITCH_LID_OPEN : 0; +} + void sandbox_cros_ec_set_test_flags(struct udevice *dev, uint flags) { struct ec_state *ec = dev_get_priv(dev); @@ -603,6 +612,7 @@ int cros_ec_probe(struct udevice *dev) struct dm_cros_ec_ops cros_ec_ops = { .packet = cros_ec_sandbox_packet, + .get_switches = cros_ec_sandbox_get_switches, }; static const struct udevice_id cros_ec_ids[] = { |