summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/em28xx
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/em28xx')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c75
-rw-r--r--drivers/media/video/em28xx/em28xx-cards.c57
-rw-r--r--drivers/media/video/em28xx/em28xx-video.c97
-rw-r--r--drivers/media/video/em28xx/em28xx.h18
4 files changed, 100 insertions, 147 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index e182abf476c9..3c48a72eb7de 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -102,6 +102,9 @@ static void em28xx_audio_isocirq(struct urb *urb)
break;
}
+ if (atomic_read(&dev->stream_started) == 0)
+ return;
+
if (dev->adev.capture_pcm_substream) {
substream = dev->adev.capture_pcm_substream;
runtime = substream->runtime;
@@ -217,31 +220,6 @@ static int em28xx_init_audio_isoc(struct em28xx *dev)
return 0;
}
-static int em28xx_cmd(struct em28xx *dev, int cmd, int arg)
-{
- dprintk("%s transfer\n", (dev->adev.capture_stream == STREAM_ON) ?
- "stop" : "start");
-
- switch (cmd) {
- case EM28XX_CAPTURE_STREAM_EN:
- if (dev->adev.capture_stream == STREAM_OFF &&
- arg == EM28XX_START_AUDIO) {
- dev->adev.capture_stream = STREAM_ON;
- em28xx_init_audio_isoc(dev);
- } else if (dev->adev.capture_stream == STREAM_ON &&
- arg == EM28XX_STOP_AUDIO) {
- dev->adev.capture_stream = STREAM_OFF;
- em28xx_deinit_isoc_audio(dev);
- } else {
- em28xx_errdev("An underrun very likely occurred. "
- "Ignoring it.\n");
- }
- return 0;
- default:
- return -EINVAL;
- }
-}
-
static int snd_pcm_alloc_vmalloc_buffer(struct snd_pcm_substream *subs,
size_t size)
{
@@ -303,7 +281,6 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
dev->mute = 0;
mutex_lock(&dev->lock);
ret = em28xx_audio_analog_set(dev);
- mutex_unlock(&dev->lock);
if (ret < 0)
goto err;
@@ -311,11 +288,10 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
if (dev->alt == 0 && dev->adev.users == 0) {
int errCode;
dev->alt = 7;
- errCode = usb_set_interface(dev->udev, 0, 7);
dprintk("changing alternate number to 7\n");
+ errCode = usb_set_interface(dev->udev, 0, 7);
}
- mutex_lock(&dev->lock);
dev->adev.users++;
mutex_unlock(&dev->lock);
@@ -325,6 +301,8 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream)
return 0;
err:
+ mutex_unlock(&dev->lock);
+
em28xx_err("Error while configuring em28xx mixer\n");
return ret;
}
@@ -338,6 +316,11 @@ static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream)
dev->mute = 1;
mutex_lock(&dev->lock);
dev->adev.users--;
+ if (atomic_read(&dev->stream_started) > 0) {
+ atomic_set(&dev->stream_started, 0);
+ schedule_work(&dev->wq_trigger);
+ }
+
em28xx_audio_analog_set(dev);
if (substream->runtime->dma_area) {
dprintk("freeing\n");
@@ -375,8 +358,10 @@ static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream)
dprintk("Stop capture, if needed\n");
- if (dev->adev.capture_stream == STREAM_ON)
- em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_STOP_AUDIO);
+ if (atomic_read(&dev->stream_started) > 0) {
+ atomic_set(&dev->stream_started, 0);
+ schedule_work(&dev->wq_trigger);
+ }
return 0;
}
@@ -391,31 +376,37 @@ static int snd_em28xx_prepare(struct snd_pcm_substream *substream)
return 0;
}
+static void audio_trigger(struct work_struct *work)
+{
+ struct em28xx *dev = container_of(work, struct em28xx, wq_trigger);
+
+ if (atomic_read(&dev->stream_started)) {
+ dprintk("starting capture");
+ em28xx_init_audio_isoc(dev);
+ } else {
+ dprintk("stopping capture");
+ em28xx_deinit_isoc_audio(dev);
+ }
+}
+
static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream,
int cmd)
{
struct em28xx *dev = snd_pcm_substream_chip(substream);
int retval;
- dprintk("Should %s capture\n", (cmd == SNDRV_PCM_TRIGGER_START) ?
- "start" : "stop");
-
- spin_lock(&dev->adev.slock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_START_AUDIO);
- retval = 0;
+ atomic_set(&dev->stream_started, 1);
break;
case SNDRV_PCM_TRIGGER_STOP:
- em28xx_cmd(dev, EM28XX_CAPTURE_STREAM_EN, EM28XX_STOP_AUDIO);
- retval = 0;
+ atomic_set(&dev->stream_started, 1);
break;
default:
retval = -EINVAL;
}
-
- spin_unlock(&dev->adev.slock);
- return retval;
+ schedule_work(&dev->wq_trigger);
+ return 0;
}
static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream
@@ -495,6 +486,8 @@ static int em28xx_audio_init(struct em28xx *dev)
strcpy(card->shortname, "Em28xx Audio");
strcpy(card->longname, "Empia Em28xx Audio");
+ INIT_WORK(&dev->wq_trigger, audio_trigger);
+
err = snd_card_register(card);
if (err < 0) {
snd_card_free(card);
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index e7efb4bffabd..54859233f311 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -187,6 +187,18 @@ static struct em28xx_reg_seq pinnacle_hybrid_pro_digital[] = {
{ -1, -1, -1, -1},
};
+static struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_analog[] = {
+ {EM28XX_R08_GPIO, 0x6d, ~EM_GPIO_4, 10},
+ {EM2880_R04_GPO, 0x00, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
+static struct em28xx_reg_seq terratec_cinergy_USB_XS_FR_digital[] = {
+ {EM28XX_R08_GPIO, 0x6e, ~EM_GPIO_4, 10},
+ {EM2880_R04_GPO, 0x08, 0xff, 10},
+ { -1, -1, -1, -1},
+};
+
/* eb1a:2868 Reddo DVB-C USB TV Box
GPIO4 - CU1216L NIM
Other GPIOs seems to be don't care. */
@@ -781,22 +793,22 @@ struct em28xx_board em28xx_boards[] = {
.tuner_gpio = default_tuner_gpio,
.decoder = EM28XX_TVP5150,
.has_dvb = 1,
- .dvb_gpio = default_digital,
+ .dvb_gpio = terratec_cinergy_USB_XS_FR_digital,
.input = { {
.type = EM28XX_VMUX_TELEVISION,
.vmux = TVP5150_COMPOSITE0,
.amux = EM28XX_AMUX_VIDEO,
- .gpio = default_analog,
+ .gpio = terratec_cinergy_USB_XS_FR_analog,
}, {
.type = EM28XX_VMUX_COMPOSITE1,
.vmux = TVP5150_COMPOSITE1,
.amux = EM28XX_AMUX_LINE_IN,
- .gpio = default_analog,
+ .gpio = terratec_cinergy_USB_XS_FR_analog,
}, {
.type = EM28XX_VMUX_SVIDEO,
.vmux = TVP5150_SVIDEO,
.amux = EM28XX_AMUX_LINE_IN,
- .gpio = default_analog,
+ .gpio = terratec_cinergy_USB_XS_FR_analog,
} },
},
[EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900] = {
@@ -1648,6 +1660,22 @@ struct em28xx_board em28xx_boards[] = {
.gpio = terratec_av350_unmute_gpio,
} },
},
+
+ [EM2860_BOARD_ELGATO_VIDEO_CAPTURE] = {
+ .name = "Elgato Video Capture",
+ .decoder = EM28XX_SAA711X,
+ .tuner_type = TUNER_ABSENT, /* Capture only device */
+ .input = { {
+ .type = EM28XX_VMUX_COMPOSITE1,
+ .vmux = SAA7115_COMPOSITE0,
+ .amux = EM28XX_AMUX_LINE_IN,
+ }, {
+ .type = EM28XX_VMUX_SVIDEO,
+ .vmux = SAA7115_SVIDEO3,
+ .amux = EM28XX_AMUX_LINE_IN,
+ } },
+ },
+
[EM2882_BOARD_EVGA_INDTUBE] = {
.name = "Evga inDtube",
.tuner_type = TUNER_XC2028,
@@ -1772,6 +1800,8 @@ struct usb_device_id em28xx_id_table[] = {
.driver_info = EM2860_BOARD_TERRATEC_AV350 },
{ USB_DEVICE(0x0ccd, 0x0096),
.driver_info = EM2860_BOARD_TERRATEC_GRABBY },
+ { USB_DEVICE(0x0fd9, 0x0033),
+ .driver_info = EM2860_BOARD_ELGATO_VIDEO_CAPTURE},
{ USB_DEVICE(0x185b, 0x2870),
.driver_info = EM2870_BOARD_COMPRO_VIDEOMATE },
{ USB_DEVICE(0x185b, 0x2041),
@@ -2168,6 +2198,7 @@ static void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl)
ctl->demod = XC3028_FE_ZARLINK456;
break;
case EM2880_BOARD_TERRATEC_HYBRID_XS:
+ case EM2880_BOARD_TERRATEC_HYBRID_XS_FR:
case EM2881_BOARD_PINNACLE_HYBRID_PRO:
ctl->demod = XC3028_FE_ZARLINK456;
break;
@@ -2523,39 +2554,39 @@ void em28xx_card_setup(struct em28xx *dev)
/* request some modules */
if (dev->board.has_msp34xx)
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "msp3400", "msp3400", 0, msp3400_addrs);
+ NULL, "msp3400", 0, msp3400_addrs);
if (dev->board.decoder == EM28XX_SAA711X)
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "saa7115", "saa7115_auto", 0, saa711x_addrs);
+ NULL, "saa7115_auto", 0, saa711x_addrs);
if (dev->board.decoder == EM28XX_TVP5150)
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "tvp5150", "tvp5150", 0, tvp5150_addrs);
+ NULL, "tvp5150", 0, tvp5150_addrs);
if (dev->em28xx_sensor == EM28XX_MT9V011) {
struct v4l2_subdev *sd;
sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
- &dev->i2c_adap, "mt9v011", "mt9v011", 0, mt9v011_addrs);
+ &dev->i2c_adap, NULL, "mt9v011", 0, mt9v011_addrs);
v4l2_subdev_call(sd, core, s_config, 0, &dev->sensor_xtal);
}
if (dev->board.adecoder == EM28XX_TVAUDIO)
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "tvaudio", "tvaudio", dev->board.tvaudio_addr, NULL);
+ NULL, "tvaudio", dev->board.tvaudio_addr, NULL);
if (dev->board.tuner_type != TUNER_ABSENT) {
int has_demod = (dev->tda9887_conf & TDA9887_PRESENT);
if (dev->board.radio.type)
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "tuner", "tuner", dev->board.radio_addr, NULL);
+ NULL, "tuner", dev->board.radio_addr, NULL);
if (has_demod)
v4l2_i2c_new_subdev(&dev->v4l2_dev,
- &dev->i2c_adap, "tuner", "tuner",
+ &dev->i2c_adap, NULL, "tuner",
0, v4l2_i2c_tuner_addrs(ADDRS_DEMOD));
if (dev->tuner_addr == 0) {
enum v4l2_i2c_tuner_type type =
@@ -2563,14 +2594,14 @@ void em28xx_card_setup(struct em28xx *dev)
struct v4l2_subdev *sd;
sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
- &dev->i2c_adap, "tuner", "tuner",
+ &dev->i2c_adap, NULL, "tuner",
0, v4l2_i2c_tuner_addrs(type));
if (sd)
dev->tuner_addr = v4l2_i2c_subdev_addr(sd);
} else {
v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
- "tuner", "tuner", dev->tuner_addr, NULL);
+ NULL, "tuner", dev->tuner_addr, NULL);
}
}
diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c
index 7b9ec6e493e4..908e3bc88303 100644
--- a/drivers/media/video/em28xx/em28xx-video.c
+++ b/drivers/media/video/em28xx/em28xx-video.c
@@ -277,12 +277,13 @@ static void em28xx_copy_vbi(struct em28xx *dev,
{
void *startwrite, *startread;
int offset;
- int bytesperline = dev->vbi_width;
+ int bytesperline;
if (dev == NULL) {
em28xx_isocdbg("dev is null\n");
return;
}
+ bytesperline = dev->vbi_width;
if (dma_q == NULL) {
em28xx_isocdbg("dma_q is null\n");
@@ -862,17 +863,14 @@ static int res_get(struct em28xx_fh *fh, unsigned int bit)
return 1;
/* is it free? */
- mutex_lock(&dev->lock);
if (dev->resources & bit) {
/* no, someone else uses it */
- mutex_unlock(&dev->lock);
return 0;
}
/* it's free, grab it */
fh->resources |= bit;
dev->resources |= bit;
em28xx_videodbg("res: get %d\n", bit);
- mutex_unlock(&dev->lock);
return 1;
}
@@ -892,11 +890,9 @@ static void res_free(struct em28xx_fh *fh, unsigned int bits)
BUG_ON((fh->resources & bits) != bits);
- mutex_lock(&dev->lock);
fh->resources &= ~bits;
dev->resources &= ~bits;
em28xx_videodbg("res: put %d\n", bits);
- mutex_unlock(&dev->lock);
}
static int get_ressource(struct em28xx_fh *fh)
@@ -1023,8 +1019,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- mutex_lock(&dev->lock);
-
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
f->fmt.pix.pixelformat = dev->format->fourcc;
@@ -1038,8 +1032,6 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
else
f->fmt.pix.field = dev->interlaced ?
V4L2_FIELD_INTERLACED : V4L2_FIELD_TOP;
-
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1137,22 +1129,15 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
-
vidioc_try_fmt_vid_cap(file, priv, f);
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
em28xx_errdev("%s queue busy\n", __func__);
- rc = -EBUSY;
- goto out;
+ return -EBUSY;
}
- rc = em28xx_set_video_format(dev, f->fmt.pix.pixelformat,
+ return em28xx_set_video_format(dev, f->fmt.pix.pixelformat,
f->fmt.pix.width, f->fmt.pix.height);
-
-out:
- mutex_unlock(&dev->lock);
- return rc;
}
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
@@ -1181,7 +1166,6 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
dev->norm = *norm;
/* Adjusts width/height, if needed */
@@ -1197,7 +1181,6 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
em28xx_resolution_set(dev);
v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1302,9 +1285,7 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
dev->ctl_input = i;
- mutex_lock(&dev->lock);
video_mux(dev, dev->ctl_input);
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1365,15 +1346,12 @@ static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
if (0 == INPUT(a->index)->type)
return -EINVAL;
- mutex_lock(&dev->lock);
-
dev->ctl_ainput = INPUT(a->index)->amux;
dev->ctl_aoutput = INPUT(a->index)->aout;
if (!dev->ctl_aoutput)
dev->ctl_aoutput = EM28XX_AOUT_MASTER;
- mutex_unlock(&dev->lock);
return 0;
}
@@ -1393,17 +1371,15 @@ static int vidioc_queryctrl(struct file *file, void *priv,
qc->id = id;
- /* enumberate AC97 controls */
+ /* enumerate AC97 controls */
if (dev->audio_mode.ac97 != EM28XX_NO_AC97) {
rc = ac97_queryctrl(qc);
if (!rc)
return 0;
}
- /* enumberate V4L2 device controls */
- mutex_lock(&dev->lock);
+ /* enumerate V4L2 device controls */
v4l2_device_call_all(&dev->v4l2_dev, 0, core, queryctrl, qc);
- mutex_unlock(&dev->lock);
if (qc->type)
return 0;
@@ -1423,7 +1399,6 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
return rc;
rc = 0;
- mutex_lock(&dev->lock);
/* Set an AC97 control */
if (dev->audio_mode.ac97 != EM28XX_NO_AC97)
@@ -1437,7 +1412,6 @@ static int vidioc_g_ctrl(struct file *file, void *priv,
rc = 0;
}
- mutex_unlock(&dev->lock);
return rc;
}
@@ -1452,8 +1426,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
-
/* Set an AC97 control */
if (dev->audio_mode.ac97 != EM28XX_NO_AC97)
rc = ac97_set_ctrl(dev, ctrl);
@@ -1480,8 +1452,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
rc = em28xx_audio_analog_set(dev);
}
}
-
- mutex_unlock(&dev->lock);
return rc;
}
@@ -1502,10 +1472,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
strcpy(t->name, "Tuner");
t->type = V4L2_TUNER_ANALOG_TV;
- mutex_lock(&dev->lock);
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
- mutex_unlock(&dev->lock);
-
return 0;
}
@@ -1523,10 +1490,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
if (0 != t->index)
return -EINVAL;
- mutex_lock(&dev->lock);
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
- mutex_unlock(&dev->lock);
-
return 0;
}
@@ -1536,11 +1500,8 @@ static int vidioc_g_frequency(struct file *file, void *priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
- mutex_lock(&dev->lock);
f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
f->frequency = dev->ctl_freq;
- mutex_unlock(&dev->lock);
-
return 0;
}
@@ -1563,13 +1524,9 @@ static int vidioc_s_frequency(struct file *file, void *priv,
if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
return -EINVAL;
- mutex_lock(&dev->lock);
-
dev->ctl_freq = f->frequency;
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f);
- mutex_unlock(&dev->lock);
-
return 0;
}
@@ -1610,9 +1567,7 @@ static int vidioc_g_register(struct file *file, void *priv,
switch (reg->match.type) {
case V4L2_CHIP_MATCH_AC97:
- mutex_lock(&dev->lock);
ret = em28xx_read_ac97(dev, reg->reg);
- mutex_unlock(&dev->lock);
if (ret < 0)
return ret;
@@ -1634,9 +1589,7 @@ static int vidioc_g_register(struct file *file, void *priv,
/* Match host */
reg->size = em28xx_reg_len(reg->reg);
if (reg->size == 1) {
- mutex_lock(&dev->lock);
ret = em28xx_read_reg(dev, reg->reg);
- mutex_unlock(&dev->lock);
if (ret < 0)
return ret;
@@ -1644,10 +1597,8 @@ static int vidioc_g_register(struct file *file, void *priv,
reg->val = ret;
} else {
__le16 val = 0;
- mutex_lock(&dev->lock);
ret = em28xx_read_reg_req_len(dev, USB_REQ_GET_STATUS,
reg->reg, (char *)&val, 2);
- mutex_unlock(&dev->lock);
if (ret < 0)
return ret;
@@ -1663,15 +1614,10 @@ static int vidioc_s_register(struct file *file, void *priv,
struct em28xx_fh *fh = priv;
struct em28xx *dev = fh->dev;
__le16 buf;
- int rc;
switch (reg->match.type) {
case V4L2_CHIP_MATCH_AC97:
- mutex_lock(&dev->lock);
- rc = em28xx_write_ac97(dev, reg->reg, reg->val);
- mutex_unlock(&dev->lock);
-
- return rc;
+ return em28xx_write_ac97(dev, reg->reg, reg->val);
case V4L2_CHIP_MATCH_I2C_DRIVER:
v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_register, reg);
return 0;
@@ -1687,12 +1633,8 @@ static int vidioc_s_register(struct file *file, void *priv,
/* Match host */
buf = cpu_to_le16(reg->val);
- mutex_lock(&dev->lock);
- rc = em28xx_write_regs(dev, reg->reg, (char *)&buf,
+ return em28xx_write_regs(dev, reg->reg, (char *)&buf,
em28xx_reg_len(reg->reg));
- mutex_unlock(&dev->lock);
-
- return rc;
}
#endif
@@ -1829,16 +1771,12 @@ static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
-
f->fmt.sliced.service_set = 0;
v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced);
if (f->fmt.sliced.service_set == 0)
rc = -EINVAL;
- mutex_unlock(&dev->lock);
-
return rc;
}
@@ -1853,9 +1791,7 @@ static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
if (rc < 0)
return rc;
- mutex_lock(&dev->lock);
v4l2_device_call_all(&dev->v4l2_dev, 0, vbi, g_sliced_fmt, &f->fmt.sliced);
- mutex_unlock(&dev->lock);
if (f->fmt.sliced.service_set == 0)
return -EINVAL;
@@ -2040,9 +1976,7 @@ static int radio_g_tuner(struct file *file, void *priv,
strcpy(t->name, "Radio");
t->type = V4L2_TUNER_RADIO;
- mutex_lock(&dev->lock);
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
- mutex_unlock(&dev->lock);
return 0;
}
@@ -2075,9 +2009,7 @@ static int radio_s_tuner(struct file *file, void *priv,
if (0 != t->index)
return -EINVAL;
- mutex_lock(&dev->lock);
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
- mutex_unlock(&dev->lock);
return 0;
}
@@ -2137,8 +2069,6 @@ static int em28xx_v4l2_open(struct file *filp)
break;
}
- mutex_lock(&dev->lock);
-
em28xx_videodbg("open dev=%s type=%s users=%d\n",
video_device_node_name(vdev), v4l2_type_names[fh_type],
dev->users);
@@ -2147,7 +2077,6 @@ static int em28xx_v4l2_open(struct file *filp)
fh = kzalloc(sizeof(struct em28xx_fh), GFP_KERNEL);
if (!fh) {
em28xx_errdev("em28xx-video.c: Out of memory?!\n");
- mutex_unlock(&dev->lock);
return -ENOMEM;
}
fh->dev = dev;
@@ -2181,15 +2110,13 @@ static int em28xx_v4l2_open(struct file *filp)
videobuf_queue_vmalloc_init(&fh->vb_vidq, &em28xx_video_qops,
NULL, &dev->slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE, field,
- sizeof(struct em28xx_buffer), fh);
+ sizeof(struct em28xx_buffer), fh, &dev->lock);
videobuf_queue_vmalloc_init(&fh->vb_vbiq, &em28xx_vbi_qops,
NULL, &dev->slock,
V4L2_BUF_TYPE_VBI_CAPTURE,
V4L2_FIELD_SEQ_TB,
- sizeof(struct em28xx_buffer), fh);
-
- mutex_unlock(&dev->lock);
+ sizeof(struct em28xx_buffer), fh, &dev->lock);
return errCode;
}
@@ -2388,7 +2315,7 @@ static const struct v4l2_file_operations em28xx_v4l_fops = {
.read = em28xx_v4l2_read,
.poll = em28xx_v4l2_poll,
.mmap = em28xx_v4l2_mmap,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
@@ -2496,6 +2423,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev,
vfd->v4l2_dev = &dev->v4l2_dev;
vfd->release = video_device_release;
vfd->debug = video_debug;
+ vfd->lock = &dev->lock;
snprintf(vfd->name, sizeof(vfd->name), "%s %s",
dev->name, type_name);
@@ -2516,6 +2444,7 @@ int em28xx_register_analog_devices(struct em28xx *dev)
/* set default norm */
dev->norm = em28xx_video_template.current_norm;
+ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm);
dev->interlaced = EM28XX_INTERLACED_DEFAULT;
dev->ctl_input = 0;
diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h
index 1c61a6b65d28..6a75e6a4fc21 100644
--- a/drivers/media/video/em28xx/em28xx.h
+++ b/drivers/media/video/em28xx/em28xx.h
@@ -25,12 +25,13 @@
#ifndef _EM28XX_H
#define _EM28XX_H
+#include <linux/workqueue.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
#include <linux/videodev2.h>
+
#include <media/videobuf-vmalloc.h>
#include <media/v4l2-device.h>
-
-#include <linux/i2c.h>
-#include <linux/mutex.h>
#include <media/ir-kbd-i2c.h>
#include <media/ir-core.h>
#if defined(CONFIG_VIDEO_EM28XX_DVB) || defined(CONFIG_VIDEO_EM28XX_DVB_MODULE)
@@ -73,6 +74,7 @@
#define EM2820_BOARD_VIDEOLOGY_20K14XUSB 30
#define EM2821_BOARD_USBGEAR_VD204 31
#define EM2821_BOARD_SUPERCOMP_USB_2 32
+#define EM2860_BOARD_ELGATO_VIDEO_CAPTURE 33
#define EM2860_BOARD_TERRATEC_HYBRID_XS 34
#define EM2860_BOARD_TYPHOON_DVD_MAKER 35
#define EM2860_BOARD_NETGMBH_CAM 36
@@ -184,11 +186,6 @@ enum em28xx_mode {
EM28XX_DIGITAL_MODE,
};
-enum em28xx_stream_state {
- STREAM_OFF,
- STREAM_INTERRUPT,
- STREAM_ON,
-};
struct em28xx;
@@ -463,7 +460,6 @@ struct em28xx_audio {
struct snd_card *sndcard;
int users;
- enum em28xx_stream_state capture_stream;
spinlock_t slock;
};
@@ -505,6 +501,10 @@ struct em28xx {
unsigned int has_audio_class:1;
unsigned int has_alsa_audio:1;
+ /* Controls audio streaming */
+ struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */
+ atomic_t stream_started; /* stream should be running if true */
+
struct em28xx_fmt *format;
struct em28xx_IR *ir;
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-04 07:43:28 +0000