diff options
Diffstat (limited to 'linux/drivers/media/radio/radio-si470x.c')
| -rw-r--r-- | linux/drivers/media/radio/radio-si470x.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/linux/drivers/media/radio/radio-si470x.c b/linux/drivers/media/radio/radio-si470x.c index de4673b3a..5b4cab3d0 100644 --- a/linux/drivers/media/radio/radio-si470x.c +++ b/linux/drivers/media/radio/radio-si470x.c @@ -131,6 +131,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/input.h> #include <linux/usb.h> #include <linux/hid.h> @@ -1206,7 +1207,7 @@ static int si470x_fops_release(struct file *file) kfree(radio->int_in_buffer); kfree(radio->buffer); kfree(radio); - goto done; + goto unlock; } /* cancel read processes */ @@ -1216,9 +1217,8 @@ static int si470x_fops_release(struct file *file) retval = si470x_stop(radio); usb_autopm_put_interface(radio->intf); } - +unlock: mutex_unlock(&radio->disconnect_lock); - done: return retval; } @@ -1255,7 +1255,7 @@ static int si470x_vidioc_querycap(struct file *file, void *priv, usb_make_path(radio->usbdev, capability->bus_info, sizeof(capability->bus_info)); capability->version = DRIVER_KERNEL_VERSION; capability->capabilities = V4L2_CAP_HW_FREQ_SEEK | - V4L2_CAP_TUNER | V4L2_CAP_RADIO; + V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_RDS_CAPTURE; return 0; } @@ -1414,7 +1414,8 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, /* driver constants */ strcpy(tuner->name, "FM"); tuner->type = V4L2_TUNER_RADIO; - tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; + tuner->capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO | + V4L2_TUNER_CAP_RDS; /* range limits */ switch ((radio->registers[SYSCONFIG2] & SYSCONFIG2_BAND) >> 6) { @@ -1440,6 +1441,10 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv, tuner->rxsubchans = V4L2_TUNER_SUB_MONO; else tuner->rxsubchans = V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; + /* If there is a reliable method of detecting an RDS channel, + then this code should check for that before setting this + RDS subchannel. */ + tuner->rxsubchans |= V4L2_TUNER_SUB_RDS; /* mono/stereo selector */ if ((radio->registers[POWERCFG] & POWERCFG_MONO) == 0) |