1 files changed, 19 insertions, 35 deletions

diff --git a/linux/arch/arm/mach-pxa/pcm990-baseboard.c b/linux/arch/arm/mach-pxa/pcm990-baseboard.c
index 7a95c80ab..9ce1ef2e5 100644
--- a/linux/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/linux/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -22,46 +22,21 @@
 
 #include <linux/irq.h>
 #include <linux/platform_device.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
-#include <linux/ide.h>
-#endif
 #include <linux/i2c.h>
 #include <linux/pwm_backlight.h>
 
 #include <media/soc_camera.h>
 
 #include <asm/gpio.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
-#include <asm/arch/i2c.h>
-#include <asm/arch/camera.h>
-#else
 #include <mach/i2c.h>
 #include <mach/camera.h>
-#endif
 #include <asm/mach/map.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 27)
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/audio.h>
-#include <asm/arch/mmc.h>
-#include <asm/arch/ohci.h>
-#include <asm/arch/pcm990_baseboard.h>
-#include <asm/arch/pxafb.h>
-#include <asm/arch/mfp-pxa27x.h>
-#else
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
-#include <mach/pxa-regs.h>
-#else
 #include <mach/pxa27x.h>
-#endif
 #include <mach/audio.h>
 #include <mach/mmc.h>
 #include <mach/ohci.h>
 #include <mach/pcm990_baseboard.h>
 #include <mach/pxafb.h>
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 30)
-#include <mach/mfp-pxa27x.h>
-#endif
-#endif
 
 #include "devices.h"
 #include "generic.h"
@@ -402,15 +377,15 @@ 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;
+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
@@ -429,25 +404,34 @@ 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");
+	if (gpio_bus_switch < 0) {
+		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;
+		}
 	}
 
-	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. */