diff options
Diffstat (limited to 'drivers/media/radio/si470x/radio-si470x-usb.c')
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x-usb.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c index f412f7ab270b..0da5c986d3a3 100644 --- a/drivers/media/radio/si470x/radio-si470x-usb.c +++ b/drivers/media/radio/si470x/radio-si470x-usb.c @@ -399,12 +399,16 @@ static void si470x_int_in_callback(struct urb *urb) } } - if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) + /* Sometimes the device returns len 0 packets */ + if (urb->actual_length != RDS_REPORT_SIZE) goto resubmit; - if (urb->actual_length > 0) { + radio->registers[STATUSRSSI] = + get_unaligned_be16(&radio->int_in_buffer[1]); + + if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS)) { /* Update RDS registers with URB data */ - for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++) + for (regnr = 1; regnr < RDS_REGISTER_NUM; regnr++) radio->registers[STATUSRSSI + regnr] = get_unaligned_be16(&radio->int_in_buffer[ regnr * RADIO_REGISTER_SIZE + 1]); @@ -480,6 +484,7 @@ resubmit: radio->int_in_running = 0; } } + radio->status_rssi_auto_update = radio->int_in_running; } @@ -560,6 +565,7 @@ static int si470x_start_usb(struct si470x_device *radio) "submitting int urb failed (%d)\n", retval); radio->int_in_running = 0; } + radio->status_rssi_auto_update = radio->int_in_running; return retval; } |