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33 lines
1.0 KiB
Diff
33 lines
1.0 KiB
Diff
From 568f8a45569daead5a9474074994a3b1dd8bcfc7 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
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Date: Sat, 11 Jul 2015 18:48:10 +0200
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Subject: [PATCH 166/171] staging: fbtft: Add reset to fbtft_init_display_dt()
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When an init sequence is present in the Device Tree,
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fbtft_init_display_dt() is used to initialize the display.
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Add missing reset function call and activation of
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chip select for parallel bus.
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Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
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---
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drivers/staging/fbtft/fbtft-core.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/staging/fbtft/fbtft-core.c
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+++ b/drivers/staging/fbtft/fbtft-core.c
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@@ -1074,6 +1074,11 @@ static int fbtft_init_display_dt(struct
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p = of_prop_next_u32(prop, NULL, &val);
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if (!p)
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return -EINVAL;
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+
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+ par->fbtftops.reset(par);
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+ if (par->gpio.cs != -1)
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+ gpio_set_value(par->gpio.cs, 0); /* Activate chip */
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+
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while (p) {
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if (val & FBTFT_OF_INIT_CMD) {
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val &= 0xFFFF;
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