display: cvbs: adjust output amplitude [1/1]

PD#165090 Problem: g12b output amplitude low Solution: adjust output amplitude Verify: g12b w400 Change-Id: I047dbb1d67943138c8f345bb4a916d04562ea357 Signed-off-by: Nian Jing <[email protected]>
hardkernel · Jun 25, 2018 · 7ed0fbb · 7ed0fbb
1 parent 006a5f8
commit 7ed0fbb
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/display/vout/cvbs.c b/drivers/display/vout/cvbs.c
@@ -245,8 +245,10 @@ int cvbs_set_vdac(int status)
 		break;
 	case 1:// from enci to vdac
 		cvbs_set_vcbus_bits(VENC_VDAC_DACSEL0, 0, 5, 1);
-		if (is_meson_g12a_cpu() || is_meson_g12b_cpu())
+		if (is_meson_g12a_cpu())
 			cvbs_write_hiu(HHI_VDAC_CNTL0, 0x906001);
+		else if (is_meson_g12b_cpu())
+			cvbs_write_hiu(HHI_VDAC_CNTL0, 0x8f6001);
 		else if (is_equal_after_meson_cpu(MESON_CPU_MAJOR_ID_GXL)) {
 			if (is_equal_after_meson_cpu(MESON_CPU_MAJOR_ID_TXL) &&
 				!is_meson_gxlx_cpu())