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[v3,18/25] drm/bridge/sii8620: fix disconnect sequence

Message ID 1485935272-17337-19-git-send-email-a.hajda@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Andrzej Hajda Feb. 1, 2017, 7:47 a.m. UTC 
The patch allows to avoid rare cases when discovery fails.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
---
 drivers/gpu/drm/bridge/sil-sii8620.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c
index d0e6dc3..1c76905 100644
--- a/drivers/gpu/drm/bridge/sil-sii8620.c
+++ b/drivers/gpu/drm/bridge/sil-sii8620.c
@@ -1286,10 +1286,12 @@  static void sii8620_disconnect(struct sii8620 *ctx)
 {
 	sii8620_disable_gen2_write_burst(ctx);
 	sii8620_stop_video(ctx);
-	msleep(50);
+	msleep(100);
 	sii8620_cbus_reset(ctx);
 	sii8620_set_mode(ctx, CM_DISCONNECTED);
 	sii8620_write_seq_static(ctx,
+		REG_TX_ZONE_CTL1, 0,
+		REG_MHL_PLL_CTL0, 0x07,
 		REG_COC_CTL0, 0x40,
 		REG_CBUS3_CNVT, 0x84,
 		REG_COC_CTL14, 0x00,