diff options
Diffstat (limited to 'common/led_common.c')
-rw-r--r-- | common/led_common.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/common/led_common.c b/common/led_common.c deleted file mode 100644 index 85879b148f..0000000000 --- a/common/led_common.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Copyright 2013 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - * - * Common functions for blinking LEDs. - */ - -#include "console.h" -#include "ec_commands.h" -#include "hooks.h" -#include "host_command.h" -#include "led_common.h" -#include "util.h" - -#define LED_AUTO_CONTROL_FLAG(id) (1 << (id)) - -static uint32_t led_auto_control_flags = ~0x00; - -static int led_is_supported(enum ec_led_id led_id) -{ - int i; - static int supported_leds = -1; - - if (supported_leds == -1) { - supported_leds = 0; - - for (i = 0; i < supported_led_ids_count; i++) - supported_leds |= (1 << supported_led_ids[i]); - } - - return ((1 << (int)led_id) & supported_leds); -} - -void led_auto_control(enum ec_led_id led_id, int enable) -{ - if (enable) - led_auto_control_flags |= LED_AUTO_CONTROL_FLAG(led_id); - else - led_auto_control_flags &= ~LED_AUTO_CONTROL_FLAG(led_id); -} - -int led_auto_control_is_enabled(enum ec_led_id led_id) -{ - if (!led_is_supported(led_id)) - return 0; - - return (led_auto_control_flags & LED_AUTO_CONTROL_FLAG(led_id)) != 0; -} - -static enum ec_status led_command_control(struct host_cmd_handler_args *args) -{ - const struct ec_params_led_control *p = args->params; - struct ec_response_led_control *r = args->response; - int i; - - args->response_size = sizeof(*r); - memset(r->brightness_range, 0, sizeof(r->brightness_range)); - - if (!led_is_supported(p->led_id)) - return EC_RES_INVALID_PARAM; - - led_get_brightness_range(p->led_id, r->brightness_range); - if (p->flags & EC_LED_FLAGS_QUERY) - return EC_RES_SUCCESS; - - for (i = 0; i < EC_LED_COLOR_COUNT; i++) - if (r->brightness_range[i] == 0 && p->brightness[i] != 0) - return EC_RES_INVALID_PARAM; - - if (p->flags & EC_LED_FLAGS_AUTO) { - led_auto_control(p->led_id, 1); - } else { - if (led_set_brightness(p->led_id, p->brightness) != EC_SUCCESS) - return EC_RES_INVALID_PARAM; - led_auto_control(p->led_id, 0); - } - - return EC_RES_SUCCESS; -} -DECLARE_HOST_COMMAND(EC_CMD_LED_CONTROL, led_command_control, EC_VER_MASK(1)); - -__attribute__((weak)) -void led_control(enum ec_led_id led_id, enum ec_led_state state) -{ - /* - * Default weak implementation that does not affect the state of - * LED. Boards can provide their own implementation. - */ -} |