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Nami: Add host command handler for keyboard backlight control

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This patch adds host command handlers for
EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT and CMD_PWM_GET_KEYBOARD_BACKLIGHT.

Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>

BUG=b:74176833
BRANCH=none
TEST=Verify ectool pwmsetkblight works. Verify kblight console command
returns the value set by ectool and vice versa.

Change-Id: I1929c6a3772ab22cb4b3c68638da23aa23727596
Reviewed-on: https://chromium-review.googlesource.com/1022961
Commit-Ready: Daisuke Nojiri <dnojiri@chromium.org>
Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Daisuke Nojiri
2018-04-20 15:34:52 -07:00
committed by chrome-bot
parent 3fbf2c47ae
commit 02b42b78b3
1 changed files with 27 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
board/nami/keyboard_backlight.c
View File

@@ -8,6 +8,7 @@
#include "console.h"
#include "cros_board_info.h"
#include "hooks.h"
#include "host_command.h"
#include "lid_switch.h"
#include "lm3509.h"
#include "pwm.h"
@@ -105,6 +106,32 @@ static void kblight_lid_change(void)
}
DECLARE_HOOK(HOOK_LID_CHANGE, kblight_lid_change, HOOK_PRIO_DEFAULT);
static int hc_set_kblight(struct host_cmd_handler_args *args)
{
const struct ec_params_pwm_set_keyboard_backlight *p = args->params;
/* Assume already enabled */
if (!kblight_set)
return EC_RES_UNAVAILABLE;
kblight_set(p->percent);
return EC_RES_SUCCESS;
}
DECLARE_HOST_COMMAND(EC_CMD_PWM_SET_KEYBOARD_BACKLIGHT,
hc_set_kblight, EC_VER_MASK(0));
static int hc_get_kblight(struct host_cmd_handler_args *args)
{
struct ec_response_pwm_get_keyboard_backlight *r = args->response;
if (!kblight_get)
return EC_RES_UNAVAILABLE;
r->percent = kblight_get();
/* Assume always enabled */
r->enabled = 1;
args->response_size = sizeof(*r);
return EC_RES_SUCCESS;
}
DECLARE_HOST_COMMAND(EC_CMD_PWM_GET_KEYBOARD_BACKLIGHT,
hc_get_kblight, EC_VER_MASK(0));
static int cc_kblight(int argc, char **argv)
{
int i;