drm/bridge/sii8620: fix peer device capabilities read code
Peer capabilities should be read differently depending on protocol version. Signed-off-by: Andrzej Hajda <a.hajda@samsung.com> Signed-off-by: Archit Taneja <architt@codeaurora.org> Link: http://patchwork.freedesktop.org/patch/msgid/1485935272-17337-10-git-send-email-a.hajda@samsung.com
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@ -1412,7 +1412,8 @@ static void sii8620_status_changed_path(struct sii8620 *ctx)
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sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
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MHL_DST_LM_CLK_MODE_NORMAL
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| MHL_DST_LM_PATH_ENABLED);
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sii8620_mt_read_devcap(ctx, false);
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if (!sii8620_is_mhl3(ctx))
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sii8620_mt_read_devcap(ctx, false);
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} else {
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sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE),
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MHL_DST_LM_CLK_MODE_NORMAL);
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@ -1664,6 +1665,14 @@ static void sii8620_irq_infr(struct sii8620 *ctx)
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sii8620_start_video(ctx);
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}
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static void sii8620_got_xdevcap(struct sii8620 *ctx, int ret)
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{
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if (ret < 0)
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return;
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sii8620_mt_read_devcap(ctx, false);
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}
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static void sii8620_irq_tdm(struct sii8620 *ctx)
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{
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u8 stat = sii8620_readb(ctx, REG_TRXINTH);
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@ -1675,6 +1684,7 @@ static void sii8620_irq_tdm(struct sii8620 *ctx)
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ctx->burst.r_size = SII8620_BURST_BUF_LEN;
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sii8620_burst_tx_rbuf_info(ctx, SII8620_BURST_BUF_LEN);
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sii8620_mt_read_devcap(ctx, true);
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sii8620_mt_set_cont(ctx, sii8620_got_xdevcap);
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} else {
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sii8620_write_seq_static(ctx,
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REG_MHL_PLL_CTL2, 0,
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