openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] airspy: fill FMT buffer size 

Fill FMT buffer size field in order to inform app which will be
used streaming buffer size. Currently driver doesn't allow buffer
size value proposed by application.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Antti Palosaari 2014-07-18 21:22:08 -03:00 committed by Mauro Carvalho Chehab
parent fea9c63a10
commit 1b303e1a58
1 changed files with 19 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/media/usb/airspy/airspy.c
View File

@ -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);