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author | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-12-15 13:38:35 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2016-12-15 13:38:35 +0300 |
commit | 65390ea01ce678379da32b01f39fcfac4903f256 (patch) | |
tree | 7f849d66121533c331cf61136b124218d87cbf86 /drivers/media/usb/dvb-usb/cxusb.c | |
parent | e7aa8c2eb11ba69b1b69099c3c7bd6be3087b0ba (diff) | |
parent | d183e4efcae8d88a2f252e546978658ca6d273cc (diff) | |
download | linux-65390ea01ce678379da32b01f39fcfac4903f256.tar.xz |
Merge branch 'patchwork' into v4l_for_linus
* patchwork: (496 commits)
[media] v4l: tvp5150: Add missing break in set control handler
[media] v4l: tvp5150: Don't inline the tvp5150_selmux() function
[media] v4l: tvp5150: Compile tvp5150_link_setup out if !CONFIG_MEDIA_CONTROLLER
[media] em28xx: don't store usb_device at struct em28xx
[media] em28xx: use usb_interface for dev_foo() calls
[media] em28xx: don't change the device's name
[media] mn88472: fix chip id check on probe
[media] mn88473: fix chip id check on probe
[media] lirc: fix error paths in lirc_cdev_add()
[media] s5p-mfc: Add support for MFC v8 available in Exynos 5433 SoCs
[media] s5p-mfc: Rework clock handling
[media] s5p-mfc: Don't keep clock prepared all the time
[media] s5p-mfc: Kill all IS_ERR_OR_NULL in clocks management code
[media] s5p-mfc: Remove dead conditional code
[media] s5p-mfc: Ensure that clock is disabled before turning power off
[media] s5p-mfc: Remove special clock rate management
[media] s5p-mfc: Use printk_ratelimited for reporting ioctl errors
[media] s5p-mfc: Set DMA_ATTR_ALLOC_SINGLE_PAGES
[media] vivid: Set color_enc on HSV formats
[media] v4l2-tpg: Init hv_enc field with a valid value
...
Diffstat (limited to 'drivers/media/usb/dvb-usb/cxusb.c')
-rw-r--r-- | drivers/media/usb/dvb-usb/cxusb.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index 243403081fa5..9b8771eb31d4 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -369,6 +369,26 @@ static int cxusb_aver_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) return 0; } +static int cxusb_read_status(struct dvb_frontend *fe, + enum fe_status *status) +{ + struct dvb_usb_adapter *adap = (struct dvb_usb_adapter *)fe->dvb->priv; + struct cxusb_state *state = (struct cxusb_state *)adap->dev->priv; + int ret; + + ret = state->fe_read_status(fe, status); + + /* it need resync slave fifo when signal change from unlock to lock.*/ + if ((*status & FE_HAS_LOCK) && (!state->last_lock)) { + mutex_lock(&state->stream_mutex); + cxusb_streaming_ctrl(adap, 1); + mutex_unlock(&state->stream_mutex); + } + + state->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0; + return ret; +} + static void cxusb_d680_dmb_drain_message(struct dvb_usb_device *d) { int ep = d->props.generic_bulk_ctrl_endpoint; @@ -1372,6 +1392,12 @@ static int cxusb_mygica_t230_frontend_attach(struct dvb_usb_adapter *adap) st->i2c_client_tuner = client_tuner; + /* hook fe: need to resync the slave fifo when signal locks. */ + mutex_init(&st->stream_mutex); + st->last_lock = 0; + st->fe_read_status = adap->fe_adap[0].fe->ops.read_status; + adap->fe_adap[0].fe->ops.read_status = cxusb_read_status; + return 0; } |