From: Hans Verkuil <hverkuil@xxxxxxxxx>
Fix rtl2832_sdr driver v4l2-compliance issues.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c | 29 +++++++++++++++++++-----
1 file changed, 23 insertions(+), 6 deletions(-)
diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
index 7e20576..141fc8b 100644
--- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
+++ b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
@@ -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);
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
