diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/radio/radio-si470x.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/drivers/media/radio/radio-si470x.c b/drivers/media/radio/radio-si470x.c index fd81a97a0fd..4dfed6aa2db 100644 --- a/drivers/media/radio/radio-si470x.c +++ b/drivers/media/radio/radio-si470x.c @@ -101,11 +101,13 @@ * 2009-01-31 Bob Ross <pigiron@gmx.com> * - correction of stereo detection/setting * - correction of signal strength indicator scaling + * 2009-01-31 Rick Bronson <rick@efn.org> + * Tobias Lorenz <tobias.lorenz@gmx.net> + * - add LED status output * * ToDo: * - add firmware download/update support * - RDS support: interrupt mode, instead of polling - * - add LED status output (check if that's not already done in firmware) */ @@ -885,6 +887,30 @@ static int si470x_rds_on(struct si470x_device *radio) /************************************************************************** + * General Driver Functions - LED_REPORT + **************************************************************************/ + +/* + * si470x_set_led_state - sets the led state + */ +static int si470x_set_led_state(struct si470x_device *radio, + unsigned char led_state) +{ + unsigned char buf[LED_REPORT_SIZE]; + int retval; + + buf[0] = LED_REPORT; + buf[1] = LED_COMMAND; + buf[2] = led_state; + + retval = si470x_set_report(radio, (void *) &buf, sizeof(buf)); + + return (retval < 0) ? -EINVAL : 0; +} + + + +/************************************************************************** * RDS Driver Functions **************************************************************************/ @@ -1637,6 +1663,9 @@ static int si470x_usb_driver_probe(struct usb_interface *intf, /* set initial frequency */ si470x_set_freq(radio, 87.5 * FREQ_MUL); /* available in all regions */ + /* set led to connect state */ + si470x_set_led_state(radio, BLINK_GREEN_LED); + /* rds buffer allocation */ radio->buf_size = rds_buf * 3; radio->buffer = kmalloc(radio->buf_size, GFP_KERNEL); @@ -1720,6 +1749,9 @@ static void si470x_usb_driver_disconnect(struct usb_interface *intf) cancel_delayed_work_sync(&radio->work); usb_set_intfdata(intf, NULL); if (radio->users == 0) { + /* set led to disconnect state */ + si470x_set_led_state(radio, BLINK_ORANGE_LED); + video_unregister_device(radio->videodev); kfree(radio->buffer); kfree(radio); |