diff options
Diffstat (limited to 'drivers/media/pci/bt8xx')
-rw-r--r-- | drivers/media/pci/bt8xx/bttv-driver.c | 53 | ||||
-rw-r--r-- | drivers/media/pci/bt8xx/dst.c | 4 | ||||
-rw-r--r-- | drivers/media/pci/bt8xx/dvb-bt8xx.c | 4 |
3 files changed, 31 insertions, 30 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c index 9400e996087b..df54e17ef864 100644 --- a/drivers/media/pci/bt8xx/bttv-driver.c +++ b/drivers/media/pci/bt8xx/bttv-driver.c @@ -186,7 +186,7 @@ MODULE_VERSION(BTTV_VERSION); static ssize_t show_card(struct device *cd, struct device_attribute *attr, char *buf) { - struct video_device *vfd = container_of(cd, struct video_device, dev); + struct video_device *vfd = to_video_device(cd); struct bttv *btv = video_get_drvdata(vfd); return sprintf(buf, "%d\n", btv ? btv->c.type : UNSET); } @@ -1726,22 +1726,15 @@ static int bttv_s_std(struct file *file, void *priv, v4l2_std_id id) struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; unsigned int i; - int err = 0; for (i = 0; i < BTTV_TVNORMS; i++) if (id & bttv_tvnorms[i].v4l2_id) break; - if (i == BTTV_TVNORMS) { - err = -EINVAL; - goto err; - } - + if (i == BTTV_TVNORMS) + return -EINVAL; btv->std = id; set_tvnorm(btv, i); - -err: - - return err; + return 0; } static int bttv_g_std(struct file *file, void *priv, v4l2_std_id *id) @@ -1770,12 +1763,9 @@ static int bttv_enum_input(struct file *file, void *priv, { struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; - int rc = 0; - if (i->index >= bttv_tvcards[btv->c.type].video_inputs) { - rc = -EINVAL; - goto err; - } + if (i->index >= bttv_tvcards[btv->c.type].video_inputs) + return -EINVAL; i->type = V4L2_INPUT_TYPE_CAMERA; i->audioset = 0; @@ -1799,10 +1789,7 @@ static int bttv_enum_input(struct file *file, void *priv, } i->std = BTTV_NORMS; - -err: - - return rc; + return 0; } static int bttv_g_input(struct file *file, void *priv, unsigned int *i) @@ -2334,6 +2321,19 @@ static int bttv_g_fmt_vid_overlay(struct file *file, void *priv, return 0; } +static void bttv_get_width_mask_vid_cap(const struct bttv_format *fmt, + unsigned int *width_mask, + unsigned int *width_bias) +{ + if (fmt->flags & FORMAT_FLAGS_PLANAR) { + *width_mask = ~15; /* width must be a multiple of 16 pixels */ + *width_bias = 8; /* nearest */ + } else { + *width_mask = ~3; /* width must be a multiple of 4 pixels */ + *width_bias = 2; /* nearest */ + } +} + static int bttv_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { @@ -2343,6 +2343,7 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv, enum v4l2_field field; __s32 width, height; __s32 height2; + unsigned int width_mask, width_bias; int rc; fmt = format_by_fourcc(f->fmt.pix.pixelformat); @@ -2375,9 +2376,9 @@ static int bttv_try_fmt_vid_cap(struct file *file, void *priv, width = f->fmt.pix.width; height = f->fmt.pix.height; + bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias); rc = limit_scaled_size_lock(fh, &width, &height, field, - /* width_mask: 4 pixels */ ~3, - /* width_bias: nearest */ 2, + width_mask, width_bias, /* adjust_size */ 1, /* adjust_crop */ 0); if (0 != rc) @@ -2410,6 +2411,7 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, struct bttv_fh *fh = priv; struct bttv *btv = fh->btv; __s32 width, height; + unsigned int width_mask, width_bias; enum v4l2_field field; retval = bttv_switch_type(fh, f->type); @@ -2424,9 +2426,10 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, height = f->fmt.pix.height; field = f->fmt.pix.field; + fmt = format_by_fourcc(f->fmt.pix.pixelformat); + bttv_get_width_mask_vid_cap(fmt, &width_mask, &width_bias); retval = limit_scaled_size_lock(fh, &width, &height, f->fmt.pix.field, - /* width_mask: 4 pixels */ ~3, - /* width_bias: nearest */ 2, + width_mask, width_bias, /* adjust_size */ 1, /* adjust_crop */ 1); if (0 != retval) @@ -2434,8 +2437,6 @@ static int bttv_s_fmt_vid_cap(struct file *file, void *priv, f->fmt.pix.field = field; - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - /* update our state informations */ fh->fmt = fmt; fh->cap.field = f->fmt.pix.field; diff --git a/drivers/media/pci/bt8xx/dst.c b/drivers/media/pci/bt8xx/dst.c index 4a90eee5e3bb..35bc9b2287b4 100644 --- a/drivers/media/pci/bt8xx/dst.c +++ b/drivers/media/pci/bt8xx/dst.c @@ -1688,9 +1688,9 @@ static int dst_get_tuning_algo(struct dvb_frontend *fe) return dst_algo ? DVBFE_ALGO_HW : DVBFE_ALGO_SW; } -static int dst_get_frontend(struct dvb_frontend *fe) +static int dst_get_frontend(struct dvb_frontend *fe, + struct dtv_frontend_properties *p) { - struct dtv_frontend_properties *p = &fe->dtv_property_cache; struct dst_state *state = fe->demodulator_priv; p->frequency = state->decode_freq; diff --git a/drivers/media/pci/bt8xx/dvb-bt8xx.c b/drivers/media/pci/bt8xx/dvb-bt8xx.c index d407244fd1bc..e69d338ab9be 100644 --- a/drivers/media/pci/bt8xx/dvb-bt8xx.c +++ b/drivers/media/pci/bt8xx/dvb-bt8xx.c @@ -318,7 +318,7 @@ static int microtune_mt7202dtf_request_firmware(struct dvb_frontend* fe, const s return request_firmware(fw, name, &bt->bt->dev->dev); } -static struct sp887x_config microtune_mt7202dtf_config = { +static const struct sp887x_config microtune_mt7202dtf_config = { .demod_address = 0x70, .request_firmware = microtune_mt7202dtf_request_firmware, }; @@ -458,7 +458,7 @@ static void or51211_sleep(struct dvb_frontend * fe) bttv_write_gpio(bt->bttv_nr, 0x0001, 0x0000); } -static struct or51211_config or51211_config = { +static const struct or51211_config or51211_config = { .demod_address = 0x15, .request_firmware = or51211_request_firmware, .setmode = or51211_setmode, |