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[media] airspy: fill FMT buffer size

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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
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26
drivers/media/usb/airspy/airspy.c
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@ -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);