diff options
| author | Yahui Wang <yahuiw@codeaurora.org> | 2017-06-07 09:40:03 +0800 |
|---|---|---|
| committer | Yahui Wang <yahuiw@codeaurora.org> | 2017-06-08 15:33:57 +0800 |
| commit | e58eb7c0ca7d5b804066070c217b0c7ccbc56f4d (patch) | |
| tree | 315f7c5f5a9ccc55a36861889aa55821adc858f5 /drivers/video/fbdev | |
| parent | 8efb4552d1830d0b6a836949fd105a6a7548d1d0 (diff) | |
msm: mdss: add support to control dcs brightness with HS state
Some special panels may need high speed mode to send brightness
to avoid panel issues, adding this change can make a better user
experience using these panels.
Change-Id: Id2cd4b3652892cc7677d7c6863a67d93e24d980f
Signed-off-by: Yahui Wang <yahuiw@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dsi.h | 1 | ||||
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_dsi_panel.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_dsi.h b/drivers/video/fbdev/msm/mdss_dsi.h index 7fabd4944cbd..9847016fed29 100644 --- a/drivers/video/fbdev/msm/mdss_dsi.h +++ b/drivers/video/fbdev/msm/mdss_dsi.h @@ -459,6 +459,7 @@ struct mdss_dsi_ctrl_pdata { bool avdd_en_gpio_invert; int lcd_mode_sel_gpio; int bklt_ctrl; /* backlight ctrl */ + enum dsi_ctrl_op_mode bklt_dcs_op_mode; /* backlight dcs ctrl mode */ bool pwm_pmi; int pwm_period; int pwm_pmic_gpio; diff --git a/drivers/video/fbdev/msm/mdss_dsi_panel.c b/drivers/video/fbdev/msm/mdss_dsi_panel.c index 695dbfa95e29..dbd58f93e907 100644 --- a/drivers/video/fbdev/msm/mdss_dsi_panel.c +++ b/drivers/video/fbdev/msm/mdss_dsi_panel.c @@ -238,6 +238,11 @@ static void mdss_dsi_panel_bklt_dcs(struct mdss_dsi_ctrl_pdata *ctrl, int level) cmdreq.rlen = 0; cmdreq.cb = NULL; + if (ctrl->bklt_dcs_op_mode == DSI_HS_MODE) + cmdreq.flags |= CMD_REQ_HS_MODE; + else + cmdreq.flags |= CMD_REQ_LP_MODE; + mdss_dsi_cmdlist_put(ctrl, &cmdreq); } @@ -2413,6 +2418,13 @@ int mdss_panel_parse_bl_settings(struct device_node *np, } } else if (!strcmp(data, "bl_ctrl_dcs")) { ctrl_pdata->bklt_ctrl = BL_DCS_CMD; + data = of_get_property(np, + "qcom,mdss-dsi-bl-dcs-command-state", NULL); + if (data && !strcmp(data, "dsi_hs_mode")) + ctrl_pdata->bklt_dcs_op_mode = DSI_HS_MODE; + else + ctrl_pdata->bklt_dcs_op_mode = DSI_LP_MODE; + pr_debug("%s: Configured DCS_CMD bklt ctrl\n", __func__); } |