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Commit 9ba70671 authored by jialongjhan's avatar jialongjhan Committed by lubolu(79974)
Browse files

modify backlight range to 1-4095 from 0-255 for commands. 

Change-Id: I4047f9bb3b232f82e76e1f9db5fccb98338dafd1
parent 44ee7b9e

drivers/video/fbdev/msm/mdss_dsi_panel.c

100644 → 100755
+20 −5
Original line number Diff line number Diff line
@@ -211,18 +211,21 @@ static void mdss_dsi_panel_cmds_send(struct mdss_dsi_ctrl_pdata *ctrl, 


	mdss_dsi_cmdlist_put(ctrl, &cmdreq);

}



static char led_pwm1[2] = {0x51, 0x0};	/* DTYPE_DCS_WRITE1 */

//[Arima][8901][20181105]Jialong modify backlight range is 1~4095 for control cmd range(2 bytes) Start

static char led_pwm1[3] = {0x51, 0x00,0x00};	/* DTYPE_DCS_WRITE1 */

static struct dsi_cmd_desc backlight_cmd = {

	{DTYPE_DCS_WRITE1, 1, 0, 0, 1, sizeof(led_pwm1)},

	led_pwm1

	{DTYPE_DCS_LWRITE, 1, 0, 0, 1, sizeof(led_pwm1)}, led_pwm1

};

//[Arima][8901][20181105]Jialong modify backlight range is 1~4095 for control cmd range(2 bytes) END



static void mdss_dsi_panel_bklt_dcs(struct mdss_dsi_ctrl_pdata *ctrl, int level)

{

	struct dcs_cmd_req cmdreq;

	struct mdss_panel_info *pinfo;

	

//[Arima][8901][20181105]Jialong modify backlight range is 1~4095 for control cmd range(2 bytes) Start

int para_1,para_2;



	pinfo = &(ctrl->panel_data.panel_info);

	if (pinfo->dcs_cmd_by_left) {

		if (ctrl->ndx != DSI_CTRL_LEFT)
@@ -231,7 +234,19 @@ static void mdss_dsi_panel_bklt_dcs(struct mdss_dsi_ctrl_pdata *ctrl, int level) 


	pr_debug("%s: level=%d\n", __func__, level);



	led_pwm1[1] = (unsigned char)level;

	//led_pwm1[1] = (unsigned char)level;

	pr_err("[Jialong]level b4 = %d\n", level);

	//para_1 = level /4096;

	//para_2 = level % 4096;

	//para_1 = level;

	//para_2 = level;

	para_1 = (level>>8)&0x0F;

	para_2 = level&0xFF;

	led_pwm1[1] = (unsigned char)para_1;

	led_pwm1[2] = (unsigned char)para_2;

	//pr_err("[Jialong]para_1= %d\n", para_1);

	//pr_err("[Jialong]para_2= %d\n", para_2);

	//pr_err("[Jialong]level aft = %d\n", level);



	memset(&cmdreq, 0, sizeof(cmdreq));

	cmdreq.cmds = &backlight_cmd;