vdac: add Bandgap optimization

PD#171856: optimizationg bandgap for hdmi audio pll unlock

Change-Id: Iaa042ab0589ed85e812cdb18b6f4aa9fc7a0e85a
Signed-off-by: Nian Jing <nian.jing@amlogic.com>

diff --git a/drivers/amlogic/media/vout/vdac/vdac_dev.c b/drivers/amlogic/media/vout/vdac/vdac_dev.c
index 38f346f..b65ad14 100644 (file)
--- a/drivers/amlogic/media/vout/vdac/vdac_dev.c
+++ b/drivers/amlogic/media/vout/vdac/vdac_dev.c
@@ -466,6 +466,10 @@ void vdac_enable(bool on, unsigned int module_sel)
                }
                break;
        case VDAC_MODULE_AUDIO_OUT: /* audio demod */
+               /*Bandgap optimization*/
+               if (is_meson_txlx_cpu() || is_meson_txhd_cpu())
+                       vdac_hiu_reg_setb(HHI_VDAC_CNTL0, 0xe, 3, 5);
+
                if (is_meson_txl_cpu() || is_meson_txlx_cpu()) {
                        if (on)
                                ana_ref_cntl0_bit9(1, VDAC_MODULE_AUDIO_OUT);