Commit 449a0bad authored by Malcolm Priestley's avatar Malcolm Priestley Committed by Mauro Carvalho Chehab

[media] lmedm04: PID filtering changes

Improve PID filtering and program register 20 correctly.
 Make sure stream_on message is sent if streaming is off, otherwise
 PIDs are not registered.
 Move mutex outside lme2510_enable_pid.
Signed-off-by: default avatarMalcolm Priestley <tvboxspy@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent a760d638
......@@ -127,6 +127,7 @@ struct lme2510_state {
u8 i2c_tuner_gate_r;
u8 i2c_tuner_addr;
u8 stream_on;
u8 pid_size;
void *buffer;
struct urb *lme_urb;
void *usb_buffer;
......@@ -224,29 +225,28 @@ static int lme2510_enable_pid(struct dvb_usb_device *d, u8 index, u16 pid_out)
static u8 pid_buff[] = LME_ZERO_PID;
static u8 rbuf[1];
u8 pid_no = index * 2;
u8 pid_len = pid_no + 2;
int ret = 0;
deb_info(1, "PID Setting Pid %04x", pid_out);
if (st->pid_size == 0)
ret |= lme2510_stream_restart(d);
pid_buff[2] = pid_no;
pid_buff[3] = (u8)pid_out & 0xff;
pid_buff[4] = pid_no + 1;
pid_buff[5] = (u8)(pid_out >> 8);
/* wait for i2c mutex */
ret = mutex_lock_interruptible(&d->i2c_mutex);
if (ret < 0) {
ret = -EAGAIN;
return ret;
}
if (pid_len > st->pid_size)
st->pid_size = pid_len;
pid_buff[7] = 0x80 + st->pid_size;
ret |= lme2510_usb_talk(d, pid_buff ,
sizeof(pid_buff) , rbuf, sizeof(rbuf));
if (st->stream_on & 1)
if (st->stream_on)
ret |= lme2510_stream_restart(d);
mutex_unlock(&d->i2c_mutex);
return ret;
}
......@@ -362,18 +362,23 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap)
static int lme2510_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
{
struct lme2510_state *st = adap->dev->priv;
static u8 clear_pid_reg[] = LME_CLEAR_PID;
static u8 rbuf[1];
int ret = 0;
int ret;
deb_info(1, "PID Clearing Filter");
ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
if (ret < 0)
return -EAGAIN;
if (!onoff)
ret |= lme2510_usb_talk(adap->dev, clear_pid_reg,
sizeof(clear_pid_reg), rbuf, sizeof(rbuf));
st->pid_size = 0;
mutex_unlock(&adap->dev->i2c_mutex);
return 0;
......@@ -388,8 +393,14 @@ static int lme2510_pid_filter(struct dvb_usb_adapter *adap, int index, u16 pid,
pid, index, onoff);
if (onoff)
if (!pid_filter)
ret = lme2510_enable_pid(adap->dev, index, pid);
if (!pid_filter) {
ret = mutex_lock_interruptible(&adap->dev->i2c_mutex);
if (ret < 0)
return -EAGAIN;
ret |= lme2510_enable_pid(adap->dev, index, pid);
mutex_unlock(&adap->dev->i2c_mutex);
}
return ret;
}
......@@ -1316,5 +1327,5 @@ module_exit(lme2510_module_exit);
MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
MODULE_DESCRIPTION("LME2510(C) DVB-S USB2.0");
MODULE_VERSION("1.85");
MODULE_VERSION("1.86");
MODULE_LICENSE("GPL");
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