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-rw-r--r--src/mainboard/google/brya/variants/teliks/variant.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/teliks/variant.c b/src/mainboard/google/brya/variants/teliks/variant.c
index 7cc4af8d3f..3f7cfd6e23 100644
--- a/src/mainboard/google/brya/variants/teliks/variant.c
+++ b/src/mainboard/google/brya/variants/teliks/variant.c
@@ -5,6 +5,11 @@
#include <fw_config.h>
#include <sar.h>
#include <soc/gpio_soc_defs.h>
+#include <intelblocks/graphics.h>
+
+/* Per-pipe DDI Function Control 2 */
+#define TRANS_DDI_FUNC_CTL2_A 0x60404
+#define TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS (3 << 6)
const char *get_wifi_sar_cbfs_filename(void)
{
@@ -36,3 +41,16 @@ void fw_config_gpio_padbased_override(struct pad_config *padbased_table)
ARRAY_SIZE(wifi_pcie_enable_pad));
}
}
+
+void variant_finalize(void)
+{
+ /*
+ * Panel CSOT MNB601LS1-3 will flicker once during enter Chrome login screen,
+ * it is because it inserts 12 blank frames if it receives the unmute in VB-ID.
+ *
+ * Always override the mute in VB-ID to avoid Tcon EC detected the
+ * audiomute_flag change.
+ */
+ graphics_gtt_rmw(TRANS_DDI_FUNC_CTL2_A, ~TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS,
+ TRANS_DDI_AUDIO_MUTE_OVERRIDE_BITS_FIELDS);
+}