diff options
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.patch | 32 |
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; |