diff options
Diffstat (limited to 'drivers/media/radio/wl128x/fmdrv_v4l2.c')
| -rw-r--r-- | drivers/media/radio/wl128x/fmdrv_v4l2.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c index 8701072..4f5c43d 100644 --- a/drivers/media/radio/wl128x/fmdrv_v4l2.c +++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c @@ -28,6 +28,8 @@ * */ +#include <linux/export.h> + #include "fmdrv.h" #include "fmdrv_v4l2.h" #include "fmdrv_common.h" @@ -84,12 +86,14 @@ static ssize_t fm_v4l2_fops_write(struct file *file, const char __user * buf, ret = copy_from_user(&rds, buf, sizeof(rds)); fmdbg("(%d)type: %d, text %s, af %d\n", ret, rds.text_type, rds.text, rds.af_freq); + if (ret) + return -EFAULT; fmdev = video_drvdata(file); fm_tx_set_radio_text(fmdev, rds.text, rds.text_type); fm_tx_set_af(fmdev, rds.af_freq); - return 0; + return sizeof(rds); } static u32 fm_v4l2_fops_poll(struct file *file, struct poll_table_struct *pts) @@ -175,7 +179,6 @@ static int fm_v4l2_vidioc_querycap(struct file *file, void *priv, strlcpy(capability->card, FM_DRV_CARD_SHORT_NAME, sizeof(capability->card)); sprintf(capability->bus_info, "UART"); - capability->version = FM_DRV_RADIO_VERSION; capability->capabilities = V4L2_CAP_HW_FREQ_SEEK | V4L2_CAP_TUNER | V4L2_CAP_RADIO | V4L2_CAP_MODULATOR | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | @@ -191,7 +194,7 @@ static int fm_g_volatile_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_TUNE_ANTENNA_CAPACITOR: - ctrl->cur.val = fm_tx_get_tune_cap_val(fmdev); + ctrl->val = fm_tx_get_tune_cap_val(fmdev); break; default: fmwarn("%s: Unknown IOCTL: %d\n", __func__, ctrl->id); @@ -403,7 +406,7 @@ static int fm_v4l2_vidioc_s_hw_freq_seek(struct file *file, void *priv, static int fm_v4l2_vidioc_g_modulator(struct file *file, void *priv, struct v4l2_modulator *mod) { - struct fmdev *fmdev = video_drvdata(file);; + struct fmdev *fmdev = video_drvdata(file); if (mod->index != 0) return -EINVAL; @@ -558,7 +561,7 @@ int fm_v4l2_init_video_device(struct fmdev *fmdev, int radio_nr) 255, 1, 255); if (ctrl) - ctrl->is_volatile = 1; + ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE; return 0; } |