Reported-by: Dadiv Rientjes <rient...@google.com>
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/media/radio/radio-shark2.c | 27 ++++++++++++++++++++++++---
1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/drivers/media/radio/radio-shark2.c
b/drivers/media/radio/radio-shark2.c
index b9575de..e593d5a 100644
--- a/drivers/media/radio/radio-shark2.c
+++ b/drivers/media/radio/radio-shark2.c
@@ -27,7 +27,6 @@
#include <linux/init.h>
#include <linux/kernel.h>
-#include <linux/leds.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/usb.h>
@@ -35,6 +34,12 @@
#include <media/v4l2-device.h>
#include "radio-tea5777.h"
+#if defined(CONFIG_LEDS_CLASS) || \
+ (defined(CONFIG_LEDS_CLASS_MODULE) && defined(CONFIG_RADIO_SHARK2_MODULE))
+#include <linux/leds.h>
+#define SHARK_USE_LEDS 1
+#endif
+
MODULE_AUTHOR("Hans de Goede <hdego...@redhat.com>");
MODULE_DESCRIPTION("Griffin radioSHARK2, USB radio receiver driver");
MODULE_LICENSE("GPL");
@@ -43,7 +48,6 @@ static int debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "Debug level (0-1)");
-
#define SHARK_IN_EP 0x83
#define SHARK_OUT_EP 0x05
@@ -52,6 +56,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
#define v4l2_dev_to_shark(d) container_of(d, struct shark_device, v4l2_dev)
+#ifdef SHARK_USE_LEDS
enum { BLUE_LED, RED_LED, NO_LEDS };
static void shark_led_set_blue(struct led_classdev *led_cdev,
@@ -73,17 +78,20 @@ static const struct led_classdev
shark_led_templates[NO_LEDS] = {
.brightness_set = shark_led_set_red,
},
};
+#endif
struct shark_device {
struct usb_device *usbdev;
struct v4l2_device v4l2_dev;
struct radio_tea5777 tea;
+#ifdef SHARK_USE_LEDS
struct work_struct led_work;
struct led_classdev leds[NO_LEDS];
char led_names[NO_LEDS][32];
atomic_t brightness[NO_LEDS];
unsigned long brightness_new;
+#endif
u8 *transfer_buffer;
};
@@ -161,6 +169,7 @@ static struct radio_tea5777_ops shark_tea_ops = {
.read_reg = shark_read_reg,
};
+#ifdef SHARK_USE_LEDS
static void shark_led_work(struct work_struct *work)
{
struct shark_device *shark =
@@ -216,20 +225,25 @@ static void shark_led_set_red(struct led_classdev
*led_cdev,
set_bit(RED_LED, &shark->brightness_new);
schedule_work(&shark->led_work);
}
+#endif
static void usb_shark_disconnect(struct usb_interface *intf)
{
struct v4l2_device *v4l2_dev = usb_get_intfdata(intf);
struct shark_device *shark = v4l2_dev_to_shark(v4l2_dev);
+#ifdef SHARK_USE_LEDS
int i;
+#endif
mutex_lock(&shark->tea.mutex);
v4l2_device_disconnect(&shark->v4l2_dev);
radio_tea5777_exit(&shark->tea);
mutex_unlock(&shark->tea.mutex);
+#ifdef SHARK_USE_LEDS
for (i = 0; i < NO_LEDS; i++)
led_classdev_unregister(&shark->leds[i]);
+#endif
v4l2_device_put(&shark->v4l2_dev);
}
@@ -238,7 +252,9 @@ static void usb_shark_release(struct v4l2_device *v4l2_dev)
{
struct shark_device *shark = v4l2_dev_to_shark(v4l2_dev);
+#ifdef SHARK_USE_LEDS
cancel_work_sync(&shark->led_work);
+#endif
v4l2_device_unregister(&shark->v4l2_dev);
kfree(shark->transfer_buffer);
kfree(shark);
@@ -248,7 +264,10 @@ static int usb_shark_probe(struct usb_interface *intf,
const struct usb_device_id *id)
{
struct shark_device *shark;
- int i, retval = -ENOMEM;
+ int retval = -ENOMEM;
+#ifdef SHARK_USE_LEDS
+ int i;
+#endif
shark = kzalloc(sizeof(struct shark_device), GFP_KERNEL);
if (!shark)
@@ -292,6 +311,7 @@ static int usb_shark_probe(struct usb_interface *intf,
goto err_init_tea;
}
+#ifdef SHARK_USE_LEDS
INIT_WORK(&shark->led_work, shark_led_work);
for (i = 0; i < NO_LEDS; i++) {
shark->leds[i] = shark_led_templates[i];
@@ -312,6 +332,7 @@ static int usb_shark_probe(struct usb_interface *intf,
"couldn't register led: %s\n",
shark->led_names[i]);
}
+#endif
return 0;
--
1.7.11.4
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