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disp: msm: dsi: Add "bl_ctrl_dummy" to panel bl type

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Add a new display's backlight type "bl_ctrl_dummy". With this
backlight type, the panel backlight driver will ignore any backlight
requests. This new backlight type will be used with a bare_board or
no-display configuration and the display driver doesn't need to have
any communication with panel.

Port from: cfb2acd

Change-Id: I2108d7477009d06ac350ca49c380b64c9d004f65
Signed-off-by: Bang Nguyen <bangnguyen@motorola.com>
Reviewed-on: https://gerrit.mot.com/1442424
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Submit-Approved: Jira Key
Reviewed-on: https://gerrit.mot.com/1509792
Reviewed-by: Hua Tan <tanhua1@motorola.com>
This commit is contained in:
Bang Nguyen authored and Gilberto Gambugge committed 2023-06-01 00:43:20 -03:00
1 parent 0ce5683cb1
commit 82dd11b2b6
2 files changed
+10
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msm/dsi/dsi_panel.c
+9
View File
@@ -755,6 +755,9 @@ int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl)
case DSI_BACKLIGHT_DCS:
rc = dsi_panel_update_backlight(panel, bl_lvl);
break;
case DSI_BACKLIGHT_DUMMY:
rc = 0;
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
@@ -834,6 +837,8 @@ static int dsi_panel_bl_register(struct dsi_panel *panel)
break;
case DSI_BACKLIGHT_DCS:
break;
case DSI_BACKLIGHT_DUMMY:
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
@@ -869,6 +874,8 @@ static int dsi_panel_bl_unregister(struct dsi_panel *panel)
break;
case DSI_BACKLIGHT_DCS:
break;
case DSI_BACKLIGHT_DUMMY:
break;
case DSI_BACKLIGHT_EXTERNAL:
break;
case DSI_BACKLIGHT_PWM:
@@ -2361,6 +2368,8 @@ static int dsi_panel_parse_bl_config(struct dsi_panel *panel)
panel->bl_config.type = DSI_BACKLIGHT_WLED;
} else if (!strcmp(bl_type, "bl_ctrl_dcs")) {
panel->bl_config.type = DSI_BACKLIGHT_DCS;
} else if (!strcmp(bl_type, "bl_ctrl_dummy")) {
panel->bl_config.type = DSI_BACKLIGHT_DUMMY;
} else if (!strcmp(bl_type, "bl_ctrl_external")) {
panel->bl_config.type = DSI_BACKLIGHT_EXTERNAL;
} else {
msm/dsi/dsi_panel.h
+1
View File
@@ -46,6 +46,7 @@ enum dsi_backlight_type {
DSI_BACKLIGHT_PWM = 0,
DSI_BACKLIGHT_WLED,
DSI_BACKLIGHT_DCS,
DSI_BACKLIGHT_DUMMY,
DSI_BACKLIGHT_EXTERNAL,
DSI_BACKLIGHT_UNKNOWN,
DSI_BACKLIGHT_MAX,