redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

[ARM] pxa/pcm990: start external GPIOs immediately after built-in ones

Browse source 
As a result of an off-by-1 error pcm990 leaves one unused GPIO number between
built-in GPIOs and the pca9536 extender. Fix it.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
This commit is contained in:
Guennadi Liakhovetski 2009-04-15 13:56:08 +02:00 committed by Eric Miao
parent e91fb9137d
commit a48dc30da4
1 changed files with 3 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
arch/arm/mach-pxa/pcm990-baseboard.c
View file

@ -377,7 +377,7 @@ struct pxacamera_platform_data pcm990_pxacamera_platform_data = {
#include <linux/i2c/pca953x.h>
static struct pca953x_platform_data pca9536_data = {
.gpio_base = NR_BUILTIN_GPIO + 1,
.gpio_base = NR_BUILTIN_GPIO,
};
static int gpio_bus_switch;
@ -405,9 +405,9 @@ static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link)
int ret;
if (!gpio_bus_switch) {
ret = gpio_request(NR_BUILTIN_GPIO + 1, "camera");
ret = gpio_request(NR_BUILTIN_GPIO, "camera");
if (!ret) {
gpio_bus_switch = NR_BUILTIN_GPIO + 1;
gpio_bus_switch = NR_BUILTIN_GPIO;
gpio_direction_output(gpio_bus_switch, 0);
} else
gpio_bus_switch = -EINVAL;