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| author | Ingo Molnar <mingo@elte.hu> | 2009-08-23 09:18:47 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-23 09:18:47 (GMT) |
| commit | 8a517c514d5893602cf85c1b4c47afbbc04d2198 (patch) | |
| tree | e7c40f68ef97bb2bdb4c366c0b45437bc049feb1 /arch/arm/mach-pxa/pcm990-baseboard.c | |
| parent | c64b04fe6e0cb7c78e01751a44ef56cf20344e87 (diff) | |
| parent | 422bef879e84104fee6dc68ded0e371dbeb5f88e (diff) | |
| download | linux-fsl-qoriq-8a517c514d5893602cf85c1b4c47afbbc04d2198.tar.xz | |
Merge commit 'v2.6.31-rc7' into x86/cpu
Diffstat (limited to 'arch/arm/mach-pxa/pcm990-baseboard.c')
| -rw-r--r-- | arch/arm/mach-pxa/pcm990-baseboard.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index 6c12b5a..01791d7 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -28,7 +28,7 @@ #include <media/soc_camera.h> #include <asm/gpio.h> -#include <mach/i2c.h> +#include <plat/i2c.h> #include <mach/camera.h> #include <asm/mach/map.h> #include <mach/pxa27x.h> @@ -380,12 +380,12 @@ static struct pca953x_platform_data pca9536_data = { .gpio_base = NR_BUILTIN_GPIO, }; -static int gpio_bus_switch; +static int gpio_bus_switch = -EINVAL; static int pcm990_camera_set_bus_param(struct soc_camera_link *link, - unsigned long flags) + unsigned long flags) { - if (gpio_bus_switch <= 0) { + if (gpio_bus_switch < 0) { if (flags == SOCAM_DATAWIDTH_10) return 0; else @@ -404,25 +404,34 @@ static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link) { int ret; - if (!gpio_bus_switch) { + if (gpio_bus_switch < 0) { ret = gpio_request(NR_BUILTIN_GPIO, "camera"); if (!ret) { gpio_bus_switch = NR_BUILTIN_GPIO; gpio_direction_output(gpio_bus_switch, 0); - } else - gpio_bus_switch = -EINVAL; + } } - if (gpio_bus_switch > 0) + if (gpio_bus_switch >= 0) return SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_10; else return SOCAM_DATAWIDTH_10; } +static void pcm990_camera_free_bus(struct soc_camera_link *link) +{ + if (gpio_bus_switch < 0) + return; + + gpio_free(gpio_bus_switch); + gpio_bus_switch = -EINVAL; +} + static struct soc_camera_link iclink = { .bus_id = 0, /* Must match with the camera ID above */ .query_bus_param = pcm990_camera_query_bus_param, .set_bus_param = pcm990_camera_set_bus_param, + .free_bus = pcm990_camera_free_bus, }; /* Board I2C devices. */ |