diff options
Diffstat (limited to 'drivers/media/radio/si470x/radio-si470x-i2c.c')
| -rw-r--r-- | drivers/media/radio/si470x/radio-si470x-i2c.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c index 4ce541a..5a2975d 100644 --- a/drivers/media/radio/si470x/radio-si470x-i2c.c +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c @@ -197,8 +197,9 @@ int si470x_fops_open(struct file *file) if (retval < 0) goto done; - /* enable RDS interrupt */ + /* enable RDS / STC interrupt */ radio->registers[SYSCONFIG1] |= SYSCONFIG1_RDSIEN; + radio->registers[SYSCONFIG1] |= SYSCONFIG1_STCIEN; radio->registers[SYSCONFIG1] &= ~SYSCONFIG1_GPIO2; radio->registers[SYSCONFIG1] |= 0x1 << 2; retval = si470x_set_register(radio, SYSCONFIG1); @@ -274,12 +275,20 @@ static void si470x_i2c_interrupt_work(struct work_struct *work) unsigned char tmpbuf[3]; int retval = 0; + /* check Seek/Tune Complete */ + retval = si470x_get_register(radio, STATUSRSSI); + if (retval < 0) + return; + + if (radio->registers[STATUSRSSI] & STATUSRSSI_STC) + complete(&radio->completion); + /* safety checks */ if ((radio->registers[SYSCONFIG1] & SYSCONFIG1_RDS) == 0) return; /* Update RDS registers */ - for (regnr = 0; regnr < RDS_REGISTER_NUM; regnr++) { + for (regnr = 1; regnr < RDS_REGISTER_NUM; regnr++) { retval = si470x_get_register(radio, STATUSRSSI + regnr); if (retval < 0) return; @@ -441,6 +450,10 @@ static int __devinit si470x_i2c_probe(struct i2c_client *client, radio->rd_index = 0; init_waitqueue_head(&radio->read_queue); + /* mark Seek/Tune Complete Interrupt enabled */ + radio->stci_enabled = true; + init_completion(&radio->completion); + retval = request_irq(client->irq, si470x_i2c_interrupt, IRQF_TRIGGER_FALLING, DRIVER_NAME, radio); if (retval) { |