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[media] rtl2832_sdr: fixing v4l2-compliance issues 

Fix rtl2832_sdr driver v4l2-compliance issues.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Hans Verkuil 2014-03-05 20:21:38 -03:00 committed by Mauro Carvalho Chehab
parent c5f51b1582
commit bc9087549e
1 changed files with 23 additions and 6 deletions
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29
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
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@ -118,6 +118,7 @@ struct rtl2832_sdr_state {
struct vb2_queue vb_queue;
struct list_head queued_bufs;
spinlock_t queued_bufs_lock; /* Protects queued_bufs */
unsigned sequence; /* buffer sequence counter */
/* Note if taking both locks v4l2_lock must always be locked first! */
struct mutex v4l2_lock; /* Protects everything else */
@ -413,6 +414,8 @@ static void rtl2832_sdr_urb_complete(struct urb *urb)
len = rtl2832_sdr_convert_stream(s, ptr, urb->transfer_buffer,
urb->actual_length);
vb2_set_plane_payload(&fbuf->vb, 0, len);
v4l2_get_timestamp(&fbuf->vb.v4l2_buf.timestamp);
fbuf->vb.v4l2_buf.sequence = s->sequence++;
vb2_buffer_done(&fbuf->vb, VB2_BUF_STATE_DONE);
}
skip:
@ -609,8 +612,9 @@ static int rtl2832_sdr_queue_setup(struct vb2_queue *vq,
struct rtl2832_sdr_state *s = vb2_get_drv_priv(vq);
dev_dbg(&s->udev->dev, "%s: *nbuffers=%d\n", __func__, *nbuffers);
/* Absolute min and max number of buffers available for mmap() */
*nbuffers = clamp_t(unsigned int, *nbuffers, 8, 32);
/* Need at least 8 buffers */
if (vq->num_buffers + *nbuffers < 8)
*nbuffers = 8 - vq->num_buffers;
*nplanes = 1;
/* 2 = max 16-bit sample returned */
sizes[0] = PAGE_ALIGN(BULK_BUFFER_SIZE * 2);
@ -1011,6 +1015,8 @@ static int rtl2832_sdr_start_streaming(struct vb2_queue *vq, unsigned int count)
if (ret)
goto err;
s->sequence = 0;
ret = rtl2832_sdr_submit_urbs(s);
if (ret)
goto err;
@ -1088,6 +1094,8 @@ static int rtl2832_sdr_s_tuner(struct file *file, void *priv,
struct rtl2832_sdr_state *s = video_drvdata(file);
dev_dbg(&s->udev->dev, "%s:\n", __func__);
if (v->index > 1)
return -EINVAL;
return 0;
}
@ -1123,12 +1131,15 @@ static int rtl2832_sdr_g_frequency(struct file *file, void *priv,
dev_dbg(&s->udev->dev, "%s: tuner=%d type=%d\n",
__func__, f->tuner, f->type);
if (f->tuner == 0)
if (f->tuner == 0) {
f->frequency = s->f_adc;
else if (f->tuner == 1)
f->type = V4L2_TUNER_ADC;
} else if (f->tuner == 1) {
f->frequency = s->f_tuner;
else
f->type = V4L2_TUNER_RF;
} else {
return -EINVAL;
}
return ret;
}
@ -1162,7 +1173,9 @@ static int rtl2832_sdr_s_frequency(struct file *file, void *priv,
__func__, s->f_adc);
ret = rtl2832_sdr_set_adc(s);
} else if (f->tuner == 1) {
s->f_tuner = f->frequency;
s->f_tuner = clamp_t(unsigned int, f->frequency,
bands_fm[0].rangelow,
bands_fm[0].rangehigh);
dev_dbg(&s->udev->dev, "%s: RF frequency=%u Hz\n",
__func__, f->frequency);
@ -1196,6 +1209,7 @@ static int rtl2832_sdr_g_fmt_sdr_cap(struct file *file, void *priv,
dev_dbg(&s->udev->dev, "%s:\n", __func__);
f->fmt.sdr.pixelformat = s->pixelformat;
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
return 0;
}
@ -1212,6 +1226,7 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
if (vb2_is_busy(q))
return -EBUSY;
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;
@ -1233,6 +1248,7 @@ static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
dev_dbg(&s->udev->dev, "%s: pixelformat fourcc %4.4s\n", __func__,
(char *)&f->fmt.sdr.pixelformat);
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)
return 0;
@ -1363,6 +1379,7 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
s->i2c = i2c;
s->cfg = cfg;
s->f_adc = bands_adc[0].rangelow;
s->f_tuner = bands_fm[0].rangelow;
s->pixelformat = V4L2_SDR_FMT_CU8;
mutex_init(&s->v4l2_lock);