diff options
| author | Gwendal Grignou <gwendal@chromium.org> | 2026-01-30 00:13:50 -0800 |
|---|---|---|
| committer | Tzung-Bi Shih <tzungbi@kernel.org> | 2026-01-30 08:29:52 +0000 |
| commit | 2d8251d98ce0be96d79aec708aa70cab2b4f6f17 (patch) | |
| tree | 136ea0ac9ec176cccc2b48b5d133e3a1524785d3 /include/linux/platform_data | |
| parent | ec0dd36dbf8b0b209e63d0cd795451fa2203c736 (diff) | |
platform/chrome: lightbar: Report number of segments
Add attribue `num_segments` to return the number of exposed LED segments
in the lightbar. It can be smaller than the number of physical leds in
the lightbar.
Test: Check the attribute is present and returns a value when read.
Signed-off-by: Gwendal Grignou <gwendal@google.com>
Link: https://lore.kernel.org/r/20260130081351.487517-1-gwendal@google.com
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Diffstat (limited to 'include/linux/platform_data')
| -rw-r--r-- | include/linux/platform_data/cros_ec_commands.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 69294f79cc88..9cbf024f56c3 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -2005,6 +2005,14 @@ struct lightbar_params_v2_colors { struct rgb_s color[8]; /* 0-3 are Google colors */ } __ec_todo_packed; +struct lightbar_params_v3 { + /* + * Number of LEDs reported by the EC. + * May be less than the actual number of LEDs in the lightbar. + */ + uint8_t reported_led_num; +} __ec_todo_packed; + /* Lightbar program. */ #define EC_LB_PROG_LEN 192 struct lightbar_program { @@ -2086,6 +2094,8 @@ struct ec_response_lightbar { struct lightbar_params_v2_thresholds get_params_v2_thlds; struct lightbar_params_v2_colors get_params_v2_colors; + struct lightbar_params_v3 get_params_v3; + struct __ec_todo_unpacked { uint32_t num; uint32_t flags; @@ -2143,6 +2153,7 @@ enum lightbar_command { LIGHTBAR_CMD_SET_PARAMS_V2_THRESHOLDS = 31, LIGHTBAR_CMD_GET_PARAMS_V2_COLORS = 32, LIGHTBAR_CMD_SET_PARAMS_V2_COLORS = 33, + LIGHTBAR_CMD_GET_PARAMS_V3 = 34, LIGHTBAR_NUM_CMDS }; |