iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

staging: fbtft: Add reset to fbtft_init_display_dt()

Browse Source 
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Noralf Trønnes 2015-07-11 18:57:04 +02:00 committed by Greg Kroah-Hartman
parent a1bf5205b2
commit dc4b206893
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/staging/fbtft/fbtft-core.c
View File

@ -1076,6 +1076,11 @@ static int fbtft_init_display_dt(struct fbtft_par *par)
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;