diff options
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/dvbsky.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c index 1aa88d94e57f..e28bd8836751 100644 --- a/drivers/media/usb/dvb-usb-v2/dvbsky.c +++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c @@ -31,6 +31,7 @@ MODULE_PARM_DESC(disable_rc, "Disable inbuilt IR receiver."); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); struct dvbsky_state { + struct mutex stream_mutex; u8 ibuf[DVBSKY_BUF_LEN]; u8 obuf[DVBSKY_BUF_LEN]; u8 last_lock; @@ -67,17 +68,18 @@ static int dvbsky_usb_generic_rw(struct dvb_usb_device *d, static int dvbsky_stream_ctrl(struct dvb_usb_device *d, u8 onoff) { + struct dvbsky_state *state = d_to_priv(d); int ret; - static u8 obuf_pre[3] = { 0x37, 0, 0 }; - static u8 obuf_post[3] = { 0x36, 3, 0 }; + u8 obuf_pre[3] = { 0x37, 0, 0 }; + u8 obuf_post[3] = { 0x36, 3, 0 }; - mutex_lock(&d->usb_mutex); - ret = dvb_usbv2_generic_rw_locked(d, obuf_pre, 3, NULL, 0); + mutex_lock(&state->stream_mutex); + ret = dvbsky_usb_generic_rw(d, obuf_pre, 3, NULL, 0); if (!ret && onoff) { msleep(20); - ret = dvb_usbv2_generic_rw_locked(d, obuf_post, 3, NULL, 0); + ret = dvbsky_usb_generic_rw(d, obuf_post, 3, NULL, 0); } - mutex_unlock(&d->usb_mutex); + mutex_unlock(&state->stream_mutex); return ret; } @@ -606,6 +608,8 @@ static int dvbsky_init(struct dvb_usb_device *d) if (ret) return ret; */ + mutex_init(&state->stream_mutex); + state->last_lock = 0; return 0; |