diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/usb/airspy/airspy.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c index 72d9f2c40da..cb0e515d80a 100644 --- a/drivers/media/usb/airspy/airspy.c +++ b/drivers/media/usb/airspy/airspy.c @@ -81,13 +81,15 @@ static const struct v4l2_frequency_band bands_rf[] = { struct airspy_format { char *name; u32 pixelformat; + u32 buffersize; }; /* format descriptions for capture and preview */ static struct airspy_format formats[] = { { .name = "Real U12LE", - .pixelformat = V4L2_SDR_FMT_RU12LE, + .pixelformat = V4L2_SDR_FMT_RU12LE, + .buffersize = BULK_BUFFER_SIZE, }, }; @@ -136,6 +138,7 @@ struct airspy { unsigned int f_adc; unsigned int f_rf; u32 pixelformat; + u32 buffersize; /* Controls */ struct v4l2_ctrl_handler hdl; @@ -500,7 +503,7 @@ static int airspy_queue_setup(struct vb2_queue *vq, if (vq->num_buffers + *nbuffers < 8) *nbuffers = 8 - vq->num_buffers; *nplanes = 1; - sizes[0] = PAGE_ALIGN(BULK_BUFFER_SIZE); + sizes[0] = PAGE_ALIGN(s->buffersize); dev_dbg(&s->udev->dev, "%s: nbuffers=%d sizes[0]=%d\n", __func__, *nbuffers, sizes[0]); @@ -635,8 +638,9 @@ static int airspy_g_fmt_sdr_cap(struct file *file, void *priv, dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__, (char *)&s->pixelformat); - memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); f->fmt.sdr.pixelformat = s->pixelformat; + f->fmt.sdr.buffersize = s->buffersize; + memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); return 0; } @@ -657,13 +661,17 @@ static int airspy_s_fmt_sdr_cap(struct file *file, void *priv, memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); for (i = 0; i < NUM_FORMATS; i++) { if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { - s->pixelformat = f->fmt.sdr.pixelformat; + s->pixelformat = formats[i].pixelformat; + s->buffersize = formats[i].buffersize; + f->fmt.sdr.buffersize = formats[i].buffersize; return 0; } } - f->fmt.sdr.pixelformat = formats[0].pixelformat; s->pixelformat = formats[0].pixelformat; + s->buffersize = formats[0].buffersize; + f->fmt.sdr.pixelformat = formats[0].pixelformat; + f->fmt.sdr.buffersize = formats[0].buffersize; return 0; } @@ -679,11 +687,14 @@ static int airspy_try_fmt_sdr_cap(struct file *file, void *priv, memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved)); for (i = 0; i < NUM_FORMATS; i++) { - if (formats[i].pixelformat == f->fmt.sdr.pixelformat) + if (formats[i].pixelformat == f->fmt.sdr.pixelformat) { + f->fmt.sdr.buffersize = formats[i].buffersize; return 0; + } } f->fmt.sdr.pixelformat = formats[0].pixelformat; + f->fmt.sdr.buffersize = formats[0].buffersize; return 0; } @@ -1003,7 +1014,8 @@ static int airspy_probe(struct usb_interface *intf, s->udev = udev; s->f_adc = bands[0].rangelow; s->f_rf = bands_rf[0].rangelow; - s->pixelformat = V4L2_SDR_FMT_RU12LE; + s->pixelformat = formats[0].pixelformat; + s->buffersize = formats[0].buffersize; /* Detect device */ ret = airspy_ctrl_msg(s, CMD_BOARD_ID_READ, 0, 0, &u8tmp, 1); |