[media] af9035: enable AF9033 demod clock source for IT9135
authorAntti Palosaari <crope@iki.fi>
Sat, 9 Aug 2014 03:08:57 +0000 (00:08 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Sun, 21 Sep 2014 20:04:24 +0000 (17:04 -0300)
Integrated RF tuner of IT9135 is connected to demod clock source
named dyn0_clk. Enable that clock source in order to provide stable
clock early enough.

Cc: Bimow Chen <Bimow.Chen@ite.com.tw>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
drivers/media/usb/dvb-usb-v2/af9035.c

index c82beac0e0cbfd1fa9f3225bf044e55eab7de410..8ac0423c70d567bbd6390905204f5efe5dc666d7 100644 (file)
@@ -647,16 +647,19 @@ static int af9035_read_config(struct dvb_usb_device *d)
        state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB;
        state->af9033_config[1].ts_mode = AF9033_TS_MODE_SERIAL;
 
-       /* eeprom memory mapped location */
        if (state->chip_type == 0x9135) {
+               /* feed clock for integrated RF tuner */
+               state->af9033_config[0].dyn0_clk = true;
+               state->af9033_config[1].dyn0_clk = true;
+
                if (state->chip_version == 0x02) {
                        state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60;
                        state->af9033_config[1].tuner = AF9033_TUNER_IT9135_60;
-                       tmp16 = 0x00461d;
+                       tmp16 = 0x00461d; /* eeprom memory mapped location */
                } else {
                        state->af9033_config[0].tuner = AF9033_TUNER_IT9135_38;
                        state->af9033_config[1].tuner = AF9033_TUNER_IT9135_38;
-                       tmp16 = 0x00461b;
+                       tmp16 = 0x00461b; /* eeprom memory mapped location */
                }
 
                /* check if eeprom exists */