diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/video/cx25840/cx25840-core.c | 34 | ||||
| -rw-r--r-- | drivers/media/video/cx25840/cx25840.h | 9 | ||||
| -rw-r--r-- | drivers/media/video/tveeprom.c | 3 |
3 files changed, 43 insertions, 3 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 539db129a9f..aea3f038cff 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -208,8 +208,11 @@ static void cx25840_initialize(struct i2c_client *client, int loadfw) static void input_change(struct i2c_client *client) { + struct cx25840_state *state = i2c_get_clientdata(client); v4l2_std_id std = cx25840_get_v4lstd(client); + /* Note: perhaps V4L2_STD_PAL_M should be handled as V4L2_STD_NTSC + instead of V4L2_STD_PAL. Someone needs to test this. */ if (std & V4L2_STD_PAL) { /* Follow tuner change procedure for PAL */ cx25840_write(client, 0x808, 0xff); @@ -220,7 +223,32 @@ static void input_change(struct i2c_client *client) cx25840_write(client, 0x80b, 0x10); } else if (std & V4L2_STD_NTSC) { /* NTSC */ - cx25840_write(client, 0x808, 0xf6); + if (state->cardtype == CARDTYPE_PVR150_WORKAROUND) { + /* Certain Hauppauge PVR150 models have a hardware bug + that causes audio to drop out. For these models the + audio standard must be set explicitly. + To be precise: it affects cards with tuner models + 85, 99 and 112 (model numbers from tveeprom). */ + if (std == V4L2_STD_NTSC_M_JP) { + /* Japan uses EIAJ audio standard */ + cx25840_write(client, 0x808, 0x2f); + } else { + /* Others use the BTSC audio standard */ + cx25840_write(client, 0x808, 0x1f); + } + /* South Korea uses the A2-M (aka Zweiton M) audio + standard, and should set 0x808 to 0x3f, but I don't + know how to detect this. */ + } else if (std == V4L2_STD_NTSC_M_JP) { + /* Japan uses EIAJ audio standard */ + cx25840_write(client, 0x808, 0xf7); + } else { + /* Others use the BTSC audio standard */ + cx25840_write(client, 0x808, 0xf6); + } + /* South Korea uses the A2-M (aka Zweiton M) audio standard, + and should set 0x808 to 0xf8, but I don't know how to + detect this. */ cx25840_write(client, 0x80b, 0x00); } @@ -241,7 +269,8 @@ static int set_input(struct i2c_client *client, enum cx25840_input input) case CX25840_TUNER: cx25840_dbg("now setting Tuner input\n"); - if (state->cardtype == CARDTYPE_PVR150) { + if (state->cardtype == CARDTYPE_PVR150 || + state->cardtype == CARDTYPE_PVR150_WORKAROUND) { /* CH_SEL_ADC2=1 */ cx25840_and_or(client, 0x102, ~0x2, 0x02); } @@ -363,6 +392,7 @@ static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) case CX25840_CID_CARDTYPE: switch (ctrl->value) { case CARDTYPE_PVR150: + case CARDTYPE_PVR150_WORKAROUND: case CARDTYPE_PG600: state->cardtype = ctrl->value; break; diff --git a/drivers/media/video/cx25840/cx25840.h b/drivers/media/video/cx25840/cx25840.h index 5c3f0639fb7..4932ed1c9b1 100644 --- a/drivers/media/video/cx25840/cx25840.h +++ b/drivers/media/video/cx25840/cx25840.h @@ -40,9 +40,16 @@ extern int cx25840_debug; #define CX25840_CID_CARDTYPE (V4L2_CID_PRIVATE_BASE+0) +/* The CARDTYPE_PVR150_WORKAROUND cardtype activates a workaround for a + hardware bug that is present in PVR150 (and possible PVR500) cards that + have certain NTSC tuners (tveeprom model numbers 85, 99 and 112). The + audio autodetect fails on some channels for these models and the workaround + is to select the audio standard explicitly. Many thanks to Hauppauge for + providing this information. */ enum cx25840_cardtype { CARDTYPE_PVR150, - CARDTYPE_PG600 + CARDTYPE_PG600, + CARDTYPE_PVR150_WORKAROUND, }; enum cx25840_input { diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index f048fd44f0e..3a986c2a0f7 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -339,6 +339,7 @@ static int hasRadioTuner(int tunerType) case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM: case 89: //PNPEnv_TUNER_TCL_MFPE05_2: case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4: + case 105: return 1; } return 0; @@ -596,6 +597,8 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, t_name2 = "unknown"; } + tvee->tuner_hauppauge_model = tuner1; + tvee->tuner2_hauppauge_model = tuner2; tvee->tuner_formats = 0; tvee->tuner2_formats = 0; for (i = j = 0; i < 8; i++) { |