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path: root/drivers/media/video/em28xx/em28xx-i2c.c
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Diffstat (limited to 'drivers/media/video/em28xx/em28xx-i2c.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-i2c.c23
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 e48191fb1dd..a33878e0879 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);
}