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Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0164-staging-fbtft-Add-reset-to-fbtft_init_display_dt.patch')
-rw-r--r--target/linux/brcm2708/patches-4.1/0164-staging-fbtft-Add-reset-to-fbtft_init_display_dt.patch32
1 files changed, 32 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0164-staging-fbtft-Add-reset-to-fbtft_init_display_dt.patch b/target/linux/brcm2708/patches-4.1/0164-staging-fbtft-Add-reset-to-fbtft_init_display_dt.patch
new file mode 100644
index 0000000..358f4d0
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.1/0164-staging-fbtft-Add-reset-to-fbtft_init_display_dt.patch
@@ -0,0 +1,32 @@
+From 82bd9c0d64c76c40bff8c4325df8302c8ffc6945 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
+Date: Sat, 11 Jul 2015 18:48:10 +0200
+Subject: [PATCH 164/203] staging: fbtft: Add reset to fbtft_init_display_dt()
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+When an init sequence is present in the Device Tree,
+fbtft_init_display_dt() is used to initialize the display.
+Add missing reset function call and activation of
+chip select for parallel bus.
+
+Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
+---
+ drivers/staging/fbtft/fbtft-core.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+--- a/drivers/staging/fbtft/fbtft-core.c
++++ b/drivers/staging/fbtft/fbtft-core.c
+@@ -1074,6 +1074,11 @@ static int fbtft_init_display_dt(struct
+ p = of_prop_next_u32(prop, NULL, &val);
+ if (!p)
+ return -EINVAL;
++
++ par->fbtftops.reset(par);
++ if (par->gpio.cs != -1)
++ gpio_set_value(par->gpio.cs, 0); /* Activate chip */
++
+ while (p) {
+ if (val & FBTFT_OF_INIT_CMD) {
+ val &= 0xFFFF;