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drm/bridge/sii8620: fix disconnect sequence

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The patch allows to avoid rare cases when discovery fails.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Archit Taneja <architt@codeaurora.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-19-git-send-email-a.hajda@samsung.com
This commit is contained in:
Andrzej Hajda 2017-02-01 08:47:45 +01:00 committed by Archit Taneja
parent 263b5c93a2
commit 003f9929f8
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/bridge/sil-sii8620.c
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@ -1287,10 +1287,12 @@ 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,