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Commit 90291ece authored by Ping Li's avatar Ping Li
Browse files

msm: mdss: Add AD BL ATT debug log and checks 



Enable more checks and add more debug logs for AD BL attenuation
functionality tests.

Change-Id: I088657bdbed553970c3550aab5bdc399970d9b23
Signed-off-by: default avatarPing Li <quicpingli@codeaurora.org>
parent cb3919b6

drivers/video/msm/mdss/mdss_fb.c

+1 −0
Original line number Diff line number Diff line
@@ -986,6 +986,7 @@ void mdss_fb_set_backlight(struct msm_fb_data_type *mfd, u32 bkl_lvl) 
			mfd->bl_level = bkl_lvl;

			return;

		}

		pr_debug("backlight sent to panel :%d\n", temp);

		pdata->set_backlight(pdata, temp);

		mfd->bl_level = bkl_lvl;

		mfd->bl_level_scaled = temp;

drivers/video/msm/mdss/mdss_mdp_pp.c

+3 −2
Original line number Diff line number Diff line
@@ -4876,7 +4876,8 @@ static int pp_ad_attenuate_bl(u32 bl, u32 *bl_out, 
	}



	ret = mdss_mdp_get_ad(mfd, &ad);

	if (ret || !ad) {

	if (ret || !ad || !ad->bl_mfd || !ad->bl_mfd->panel_info ||

		!ad->bl_mfd->panel_info->bl_max || !ad->bl_att_lut) {

		pr_err("Failed to get the ad.\n");

		return ret;

	}
@@ -4892,7 +4893,7 @@ static int pp_ad_attenuate_bl(u32 bl, u32 *bl_out, 
		shift++;

	}

	n = bl >> shift;

	if (n >= AD_BL_ATT_LUT_LEN) {

	if (n >= (AD_BL_ATT_LUT_LEN - 1)) {

		pr_err("Invalid index for BL attenuation: %d.\n", n);

		return ret;

	}