diff options
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-i2c.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-i2c.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index e48191fb1dde..a33878e08799 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -28,6 +28,7 @@ #include <linux/video_decoder.h> #include "em28xx.h" +#include "tuner-xc2028.h" #include <media/v4l2-common.h> #include <media/tuner.h> @@ -391,6 +392,26 @@ static u32 functionality(struct i2c_adapter *adap) } +static int em28xx_tuner_callback(void *ptr, int command, int arg) +{ + int rc = 0; + struct em28xx *dev = ptr; + + if (dev->tuner_type != TUNER_XC2028) + return 0; + + switch (command) { + case XC2028_TUNER_RESET: + /* FIXME: This is device-dependent */ + dev->em28xx_write_regs_req(dev, 0x00, 0x48, "\x00", 1); + dev->em28xx_write_regs_req(dev, 0x00, 0x12, "\x67", 1); + + msleep(140); + break; + } + return rc; +} + static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client) { struct em28xx *dev = client->adapter->algo_data; @@ -400,6 +421,8 @@ static int em28xx_set_tuner(int check_eeprom, struct i2c_client *client) tun_setup.mode_mask = T_ANALOG_TV | T_RADIO; tun_setup.type = dev->tuner_type; tun_setup.addr = dev->tuner_addr; + tun_setup.tuner_callback = em28xx_tuner_callback; + em28xx_i2c_call_clients(dev, TUNER_SET_TYPE_ADDR, &tun_setup); } |