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-rw-r--r--drivers/media/radio/radio-shark.c151
-rw-r--r--drivers/media/radio/radio-shark2.c137
-rw-r--r--drivers/media/radio/si470x/radio-si470x-common.c3
-rw-r--r--drivers/media/radio/si470x/radio-si470x-i2c.c5
-rw-r--r--drivers/media/radio/si470x/radio-si470x-usb.c2
5 files changed, 157 insertions, 141 deletions
diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c
index d0b6bb507634..72ded29728bb 100644
--- a/drivers/media/radio/radio-shark.c
+++ b/drivers/media/radio/radio-shark.c
@@ -35,6 +35,11 @@
#include <media/v4l2-device.h>
#include <sound/tea575x-tuner.h>
+#if defined(CONFIG_LEDS_CLASS) || \
+ (defined(CONFIG_LEDS_CLASS_MODULE) && defined(CONFIG_RADIO_SHARK_MODULE))
+#define SHARK_USE_LEDS 1
+#endif
+
/*
* Version Information
*/
@@ -56,44 +61,18 @@ MODULE_LICENSE("GPL");
enum { BLUE_LED, BLUE_PULSE_LED, RED_LED, NO_LEDS };
-static void shark_led_set_blue(struct led_classdev *led_cdev,
- enum led_brightness value);
-static void shark_led_set_blue_pulse(struct led_classdev *led_cdev,
- enum led_brightness value);
-static void shark_led_set_red(struct led_classdev *led_cdev,
- enum led_brightness value);
-
-static const struct led_classdev shark_led_templates[NO_LEDS] = {
- [BLUE_LED] = {
- .name = "%s:blue:",
- .brightness = LED_OFF,
- .max_brightness = 127,
- .brightness_set = shark_led_set_blue,
- },
- [BLUE_PULSE_LED] = {
- .name = "%s:blue-pulse:",
- .brightness = LED_OFF,
- .max_brightness = 255,
- .brightness_set = shark_led_set_blue_pulse,
- },
- [RED_LED] = {
- .name = "%s:red:",
- .brightness = LED_OFF,
- .max_brightness = 1,
- .brightness_set = shark_led_set_red,
- },
-};
-
struct shark_device {
struct usb_device *usbdev;
struct v4l2_device v4l2_dev;
struct snd_tea575x 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;
u32 last_val;
@@ -175,20 +154,13 @@ static struct snd_tea575x_ops shark_tea_ops = {
.read_val = shark_read_val,
};
+#ifdef SHARK_USE_LEDS
static void shark_led_work(struct work_struct *work)
{
struct shark_device *shark =
container_of(work, struct shark_device, led_work);
int i, res, brightness, actual_len;
- /*
- * We use the v4l2_dev lock and registered bit to ensure the device
- * does not get unplugged and unreffed while we're running.
- */
- mutex_lock(&shark->tea.mutex);
- if (!video_is_registered(&shark->tea.vd))
- goto leave;
-
for (i = 0; i < 3; i++) {
if (!test_and_clear_bit(i, &shark->brightness_new))
continue;
@@ -208,8 +180,6 @@ static void shark_led_work(struct work_struct *work)
v4l2_err(&shark->v4l2_dev, "set LED %s error: %d\n",
shark->led_names[i], res);
}
-leave:
- mutex_unlock(&shark->tea.mutex);
}
static void shark_led_set_blue(struct led_classdev *led_cdev,
@@ -245,19 +215,78 @@ static void shark_led_set_red(struct led_classdev *led_cdev,
schedule_work(&shark->led_work);
}
+static const struct led_classdev shark_led_templates[NO_LEDS] = {
+ [BLUE_LED] = {
+ .name = "%s:blue:",
+ .brightness = LED_OFF,
+ .max_brightness = 127,
+ .brightness_set = shark_led_set_blue,
+ },
+ [BLUE_PULSE_LED] = {
+ .name = "%s:blue-pulse:",
+ .brightness = LED_OFF,
+ .max_brightness = 255,
+ .brightness_set = shark_led_set_blue_pulse,
+ },
+ [RED_LED] = {
+ .name = "%s:red:",
+ .brightness = LED_OFF,
+ .max_brightness = 1,
+ .brightness_set = shark_led_set_red,
+ },
+};
+
+static int shark_register_leds(struct shark_device *shark, struct device *dev)
+{
+ int i, retval;
+
+ INIT_WORK(&shark->led_work, shark_led_work);
+ for (i = 0; i < NO_LEDS; i++) {
+ shark->leds[i] = shark_led_templates[i];
+ snprintf(shark->led_names[i], sizeof(shark->led_names[0]),
+ shark->leds[i].name, shark->v4l2_dev.name);
+ shark->leds[i].name = shark->led_names[i];
+ retval = led_classdev_register(dev, &shark->leds[i]);
+ if (retval) {
+ v4l2_err(&shark->v4l2_dev,
+ "couldn't register led: %s\n",
+ shark->led_names[i]);
+ return retval;
+ }
+ }
+ return 0;
+}
+
+static void shark_unregister_leds(struct shark_device *shark)
+{
+ int i;
+
+ for (i = 0; i < NO_LEDS; i++)
+ led_classdev_unregister(&shark->leds[i]);
+
+ cancel_work_sync(&shark->led_work);
+}
+#else
+static int shark_register_leds(struct shark_device *shark, struct device *dev)
+{
+ v4l2_warn(&shark->v4l2_dev,
+ "CONFIG_LED_CLASS not enabled, LED support disabled\n");
+ return 0;
+}
+static inline void shark_unregister_leds(struct shark_device *shark) { }
+#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);
- int i;
mutex_lock(&shark->tea.mutex);
v4l2_device_disconnect(&shark->v4l2_dev);
snd_tea575x_exit(&shark->tea);
mutex_unlock(&shark->tea.mutex);
- for (i = 0; i < NO_LEDS; i++)
- led_classdev_unregister(&shark->leds[i]);
+ shark_unregister_leds(shark);
v4l2_device_put(&shark->v4l2_dev);
}
@@ -266,7 +295,6 @@ static void usb_shark_release(struct v4l2_device *v4l2_dev)
{
struct shark_device *shark = v4l2_dev_to_shark(v4l2_dev);
- cancel_work_sync(&shark->led_work);
v4l2_device_unregister(&shark->v4l2_dev);
kfree(shark->transfer_buffer);
kfree(shark);
@@ -276,7 +304,7 @@ 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;
shark = kzalloc(sizeof(struct shark_device), GFP_KERNEL);
if (!shark)
@@ -286,17 +314,13 @@ static int usb_shark_probe(struct usb_interface *intf,
if (!shark->transfer_buffer)
goto err_alloc_buffer;
- /*
- * Work around a bug in usbhid/hid-core.c, where it leaves a dangling
- * pointer in intfdata causing v4l2-device.c to not set it. Which
- * results in usb_shark_disconnect() referencing the dangling pointer
- *
- * REMOVE (as soon as the above bug is fixed, patch submitted)
- */
- usb_set_intfdata(intf, NULL);
+ v4l2_device_set_name(&shark->v4l2_dev, DRV_NAME, &shark_instance);
+
+ retval = shark_register_leds(shark, &intf->dev);
+ if (retval)
+ goto err_reg_leds;
shark->v4l2_dev.release = usb_shark_release;
- v4l2_device_set_name(&shark->v4l2_dev, DRV_NAME, &shark_instance);
retval = v4l2_device_register(&intf->dev, &shark->v4l2_dev);
if (retval) {
v4l2_err(&shark->v4l2_dev, "couldn't register v4l2_device\n");
@@ -320,32 +344,13 @@ static int usb_shark_probe(struct usb_interface *intf,
goto err_init_tea;
}
- INIT_WORK(&shark->led_work, shark_led_work);
- for (i = 0; i < NO_LEDS; i++) {
- shark->leds[i] = shark_led_templates[i];
- snprintf(shark->led_names[i], sizeof(shark->led_names[0]),
- shark->leds[i].name, shark->v4l2_dev.name);
- shark->leds[i].name = shark->led_names[i];
- /*
- * We don't fail the probe if we fail to register the leds,
- * because once we've called snd_tea575x_init, the /dev/radio0
- * node may be opened from userspace holding a reference to us!
- *
- * Note we cannot register the leds first instead as
- * shark_led_work depends on the v4l2 mutex and registered bit.
- */
- retval = led_classdev_register(&intf->dev, &shark->leds[i]);
- if (retval)
- v4l2_err(&shark->v4l2_dev,
- "couldn't register led: %s\n",
- shark->led_names[i]);
- }
-
return 0;
err_init_tea:
v4l2_device_unregister(&shark->v4l2_dev);
err_reg_dev:
+ shark_unregister_leds(shark);
+err_reg_leds:
kfree(shark->transfer_buffer);
err_alloc_buffer:
kfree(shark);
diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c
index b9575de3e7e8..7b4efdfaae28 100644
--- a/drivers/media/radio/radio-shark2.c
+++ b/drivers/media/radio/radio-shark2.c
@@ -35,6 +35,11 @@
#include <media/v4l2-device.h>
#include "radio-tea5777.h"
+#if defined(CONFIG_LEDS_CLASS) || \
+ (defined(CONFIG_LEDS_CLASS_MODULE) && defined(CONFIG_RADIO_SHARK2_MODULE))
+#define SHARK_USE_LEDS 1
+#endif
+
MODULE_AUTHOR("Hans de Goede <hdegoede@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
@@ -54,36 +58,18 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
enum { BLUE_LED, RED_LED, NO_LEDS };
-static void shark_led_set_blue(struct led_classdev *led_cdev,
- enum led_brightness value);
-static void shark_led_set_red(struct led_classdev *led_cdev,
- enum led_brightness value);
-
-static const struct led_classdev shark_led_templates[NO_LEDS] = {
- [BLUE_LED] = {
- .name = "%s:blue:",
- .brightness = LED_OFF,
- .max_brightness = 127,
- .brightness_set = shark_led_set_blue,
- },
- [RED_LED] = {
- .name = "%s:red:",
- .brightness = LED_OFF,
- .max_brightness = 1,
- .brightness_set = shark_led_set_red,
- },
-};
-
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;
};
@@ -161,18 +147,12 @@ 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 =
container_of(work, struct shark_device, led_work);
int i, res, brightness, actual_len;
- /*
- * We use the v4l2_dev lock and registered bit to ensure the device
- * does not get unplugged and unreffed while we're running.
- */
- mutex_lock(&shark->tea.mutex);
- if (!video_is_registered(&shark->tea.vd))
- goto leave;
for (i = 0; i < 2; i++) {
if (!test_and_clear_bit(i, &shark->brightness_new))
@@ -191,8 +171,6 @@ static void shark_led_work(struct work_struct *work)
v4l2_err(&shark->v4l2_dev, "set LED %s error: %d\n",
shark->led_names[i], res);
}
-leave:
- mutex_unlock(&shark->tea.mutex);
}
static void shark_led_set_blue(struct led_classdev *led_cdev,
@@ -217,19 +195,72 @@ static void shark_led_set_red(struct led_classdev *led_cdev,
schedule_work(&shark->led_work);
}
+static const struct led_classdev shark_led_templates[NO_LEDS] = {
+ [BLUE_LED] = {
+ .name = "%s:blue:",
+ .brightness = LED_OFF,
+ .max_brightness = 127,
+ .brightness_set = shark_led_set_blue,
+ },
+ [RED_LED] = {
+ .name = "%s:red:",
+ .brightness = LED_OFF,
+ .max_brightness = 1,
+ .brightness_set = shark_led_set_red,
+ },
+};
+
+static int shark_register_leds(struct shark_device *shark, struct device *dev)
+{
+ int i, retval;
+
+ INIT_WORK(&shark->led_work, shark_led_work);
+ for (i = 0; i < NO_LEDS; i++) {
+ shark->leds[i] = shark_led_templates[i];
+ snprintf(shark->led_names[i], sizeof(shark->led_names[0]),
+ shark->leds[i].name, shark->v4l2_dev.name);
+ shark->leds[i].name = shark->led_names[i];
+ retval = led_classdev_register(dev, &shark->leds[i]);
+ if (retval) {
+ v4l2_err(&shark->v4l2_dev,
+ "couldn't register led: %s\n",
+ shark->led_names[i]);
+ return retval;
+ }
+ }
+ return 0;
+}
+
+static void shark_unregister_leds(struct shark_device *shark)
+{
+ int i;
+
+ for (i = 0; i < NO_LEDS; i++)
+ led_classdev_unregister(&shark->leds[i]);
+
+ cancel_work_sync(&shark->led_work);
+}
+#else
+static int shark_register_leds(struct shark_device *shark, struct device *dev)
+{
+ v4l2_warn(&shark->v4l2_dev,
+ "CONFIG_LED_CLASS not enabled, LED support disabled\n");
+ return 0;
+}
+static inline void shark_unregister_leds(struct shark_device *shark) { }
+#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);
- int i;
mutex_lock(&shark->tea.mutex);
v4l2_device_disconnect(&shark->v4l2_dev);
radio_tea5777_exit(&shark->tea);
mutex_unlock(&shark->tea.mutex);
- for (i = 0; i < NO_LEDS; i++)
- led_classdev_unregister(&shark->leds[i]);
+ shark_unregister_leds(shark);
v4l2_device_put(&shark->v4l2_dev);
}
@@ -238,7 +269,6 @@ static void usb_shark_release(struct v4l2_device *v4l2_dev)
{
struct shark_device *shark = v4l2_dev_to_shark(v4l2_dev);
- cancel_work_sync(&shark->led_work);
v4l2_device_unregister(&shark->v4l2_dev);
kfree(shark->transfer_buffer);
kfree(shark);
@@ -248,7 +278,7 @@ 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;
shark = kzalloc(sizeof(struct shark_device), GFP_KERNEL);
if (!shark)
@@ -258,17 +288,13 @@ static int usb_shark_probe(struct usb_interface *intf,
if (!shark->transfer_buffer)
goto err_alloc_buffer;
- /*
- * Work around a bug in usbhid/hid-core.c, where it leaves a dangling
- * pointer in intfdata causing v4l2-device.c to not set it. Which
- * results in usb_shark_disconnect() referencing the dangling pointer
- *
- * REMOVE (as soon as the above bug is fixed, patch submitted)
- */
- usb_set_intfdata(intf, NULL);
+ v4l2_device_set_name(&shark->v4l2_dev, DRV_NAME, &shark_instance);
+
+ retval = shark_register_leds(shark, &intf->dev);
+ if (retval)
+ goto err_reg_leds;
shark->v4l2_dev.release = usb_shark_release;
- v4l2_device_set_name(&shark->v4l2_dev, DRV_NAME, &shark_instance);
retval = v4l2_device_register(&intf->dev, &shark->v4l2_dev);
if (retval) {
v4l2_err(&shark->v4l2_dev, "couldn't register v4l2_device\n");
@@ -292,32 +318,13 @@ static int usb_shark_probe(struct usb_interface *intf,
goto err_init_tea;
}
- INIT_WORK(&shark->led_work, shark_led_work);
- for (i = 0; i < NO_LEDS; i++) {
- shark->leds[i] = shark_led_templates[i];
- snprintf(shark->led_names[i], sizeof(shark->led_names[0]),
- shark->leds[i].name, shark->v4l2_dev.name);
- shark->leds[i].name = shark->led_names[i];
- /*
- * We don't fail the probe if we fail to register the leds,
- * because once we've called radio_tea5777_init, the /dev/radio0
- * node may be opened from userspace holding a reference to us!
- *
- * Note we cannot register the leds first instead as
- * shark_led_work depends on the v4l2 mutex and registered bit.
- */
- retval = led_classdev_register(&intf->dev, &shark->leds[i]);
- if (retval)
- v4l2_err(&shark->v4l2_dev,
- "couldn't register led: %s\n",
- shark->led_names[i]);
- }
-
return 0;
err_init_tea:
v4l2_device_unregister(&shark->v4l2_dev);
err_reg_dev:
+ shark_unregister_leds(shark);
+err_reg_leds:
kfree(shark->transfer_buffer);
err_alloc_buffer:
kfree(shark);
diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 9e38132afec6..9bb65e170d99 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -151,6 +151,7 @@ static const struct v4l2_frequency_band bands[] = {
.index = 0,
.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+ V4L2_TUNER_CAP_FREQ_BANDS |
V4L2_TUNER_CAP_HWSEEK_BOUNDED |
V4L2_TUNER_CAP_HWSEEK_WRAP,
.rangelow = 87500 * 16,
@@ -162,6 +163,7 @@ static const struct v4l2_frequency_band bands[] = {
.index = 1,
.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+ V4L2_TUNER_CAP_FREQ_BANDS |
V4L2_TUNER_CAP_HWSEEK_BOUNDED |
V4L2_TUNER_CAP_HWSEEK_WRAP,
.rangelow = 76000 * 16,
@@ -173,6 +175,7 @@ static const struct v4l2_frequency_band bands[] = {
.index = 2,
.capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO |
V4L2_TUNER_CAP_RDS | V4L2_TUNER_CAP_RDS_BLOCK_IO |
+ V4L2_TUNER_CAP_FREQ_BANDS |
V4L2_TUNER_CAP_HWSEEK_BOUNDED |
V4L2_TUNER_CAP_HWSEEK_WRAP,
.rangelow = 76000 * 16,
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c
index 643a6ff7c5d0..f867f04cccc9 100644
--- a/drivers/media/radio/si470x/radio-si470x-i2c.c
+++ b/drivers/media/radio/si470x/radio-si470x-i2c.c
@@ -225,8 +225,9 @@ int si470x_vidioc_querycap(struct file *file, void *priv,
{
strlcpy(capability->driver, DRIVER_NAME, sizeof(capability->driver));
strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
- capability->capabilities = V4L2_CAP_HW_FREQ_SEEK |
- V4L2_CAP_TUNER | V4L2_CAP_RADIO;
+ capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
+ V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
+ capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c
index 146be4263ea1..be076f7181e7 100644
--- a/drivers/media/radio/si470x/radio-si470x-usb.c
+++ b/drivers/media/radio/si470x/radio-si470x-usb.c
@@ -531,7 +531,7 @@ int si470x_vidioc_querycap(struct file *file, void *priv,
strlcpy(capability->card, DRIVER_CARD, sizeof(capability->card));
usb_make_path(radio->usbdev, capability->bus_info,
sizeof(capability->bus_info));
- capability->device_caps = V4L2_CAP_HW_FREQ_SEEK |
+ capability->device_caps = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_READWRITE |
V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE;
capability->capabilities = capability->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-10 15:33:40 +0000