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authorAntti Palosaari <crope@iki.fi>2014-07-14 21:11:12 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-07-21 20:58:44 -0300
commit2970c0d572688188176d6dbe4eb873f34520a4dd (patch)
tree1fc08576d30a021a02caacf4ba41b22f506dae2a /drivers/media/dvb-frontends
parentrtl2832_sdr: move from staging to media (diff)
downloadlinux-dev-2970c0d572688188176d6dbe4eb873f34520a4dd.tar.xz
linux-dev-2970c0d572688188176d6dbe4eb873f34520a4dd.zip
[media] rtl2832_sdr: put complex U16 format behind module parameter
Move emulated format behind module parameter as those are not supported. Format conversions will be on library eventually. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/rtl2832_sdr.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832_sdr.c b/drivers/media/dvb-frontends/rtl2832_sdr.c
index f81b1c84dae1..389f923150df 100644
--- a/drivers/media/dvb-frontends/rtl2832_sdr.c
+++ b/drivers/media/dvb-frontends/rtl2832_sdr.c
@@ -35,6 +35,10 @@
#include <linux/jiffies.h>
#include <linux/math64.h>
+static bool rtl2832_sdr_emulated_fmt;
+module_param_named(emulated_formats, rtl2832_sdr_emulated_fmt, bool, 0644);
+MODULE_PARM_DESC(emulated_formats, "enable emulated formats (disappears in future)");
+
#define MAX_BULK_BUFS (10)
#define BULK_BUFFER_SIZE (128 * 512)
@@ -84,10 +88,10 @@ struct rtl2832_sdr_format {
static struct rtl2832_sdr_format formats[] = {
{
- .name = "IQ U8",
+ .name = "Complex U8",
.pixelformat = V4L2_SDR_FMT_CU8,
}, {
- .name = "IQ U16LE (emulated)",
+ .name = "Complex U16LE (emulated)",
.pixelformat = V4L2_SDR_FMT_CU16LE,
},
};
@@ -139,6 +143,7 @@ struct rtl2832_sdr_state {
unsigned int f_adc, f_tuner;
u32 pixelformat;
+ unsigned int num_formats;
/* Controls */
struct v4l2_ctrl_handler hdl;
@@ -1211,7 +1216,7 @@ static int rtl2832_sdr_enum_fmt_sdr_cap(struct file *file, void *priv,
dev_dbg(&s->udev->dev, "%s:\n", __func__);
- if (f->index >= NUM_FORMATS)
+ if (f->index >= s->num_formats)
return -EINVAL;
strlcpy(f->description, formats[f->index].name, sizeof(f->description));
@@ -1247,7 +1252,7 @@ static int rtl2832_sdr_s_fmt_sdr_cap(struct file *file, void *priv,
return -EBUSY;
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat) {
s->pixelformat = f->fmt.sdr.pixelformat;
return 0;
@@ -1270,7 +1275,7 @@ static int rtl2832_sdr_try_fmt_sdr_cap(struct file *file, void *priv,
(char *)&f->fmt.sdr.pixelformat);
memset(f->fmt.sdr.reserved, 0, sizeof(f->fmt.sdr.reserved));
- for (i = 0; i < NUM_FORMATS; i++) {
+ for (i = 0; i < s->num_formats; i++) {
if (formats[i].pixelformat == f->fmt.sdr.pixelformat)
return 0;
}
@@ -1414,6 +1419,9 @@ struct dvb_frontend *rtl2832_sdr_attach(struct dvb_frontend *fe,
s->f_adc = bands_adc[0].rangelow;
s->f_tuner = bands_fm[0].rangelow;
s->pixelformat = V4L2_SDR_FMT_CU8;
+ s->num_formats = NUM_FORMATS;
+ if (rtl2832_sdr_emulated_fmt == false)
+ s->num_formats -= 1;
mutex_init(&s->v4l2_lock);
mutex_init(&s->vb_queue_lock);