diff options
author | Hartmut Hackmann <hartmut.hackmann@t\-online.de> | 2006-02-07 06:49:09 -0200 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-02-07 06:49:09 -0200 |
commit | 0157a9cc727dec90a7d60ad254eb899a775685a9 (patch) | |
tree | 3945ae8c3b689cf21d22961a3a4afc0d81701755 /drivers/media/video/tda8290.c | |
parent | 3d8466ece44c70555a101da73845955c443f4d18 (diff) |
V4L/DVB (3303): TDA8290 update
This patch
- works around a bug in the I2C bridge that makes the initialization
of the TDA10046 fail on recent LifeView cards
- puts the AGC output to tristate in sleep mode. This is necessary for
recent hybrid cards that switch the AGC via tristateing.
Signed-off-by: Hartmut Hackmann<hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/tda8290.c')
-rw-r--r-- | drivers/media/video/tda8290.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/media/video/tda8290.c b/drivers/media/video/tda8290.c index 7b4fb282ac8..2b954b3d2ba 100644 --- a/drivers/media/video/tda8290.c +++ b/drivers/media/video/tda8290.c @@ -281,7 +281,7 @@ static void tda827xa_agcf(struct i2c_client *c) static void tda8290_i2c_bridge(struct i2c_client *c, int close) { unsigned char enable[2] = { 0x21, 0xC0 }; - unsigned char disable[2] = { 0x21, 0x80 }; + unsigned char disable[2] = { 0x21, 0x00 }; unsigned char *msg; if(close) { msg = enable; @@ -302,6 +302,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) unsigned char soft_reset[] = { 0x00, 0x00 }; unsigned char easy_mode[] = { 0x01, t->tda8290_easy_mode }; unsigned char expert_mode[] = { 0x01, 0x80 }; + unsigned char agc_out_on[] = { 0x02, 0x00 }; unsigned char gainset_off[] = { 0x28, 0x14 }; unsigned char if_agc_spd[] = { 0x0f, 0x88 }; unsigned char adc_head_6[] = { 0x05, 0x04 }; @@ -320,6 +321,7 @@ static int tda8290_tune(struct i2c_client *c, u16 ifc, unsigned int freq) pll_stat; i2c_master_send(c, easy_mode, 2); + i2c_master_send(c, agc_out_on, 2); i2c_master_send(c, soft_reset, 2); msleep(1); @@ -470,6 +472,7 @@ static void standby(struct i2c_client *c) struct tuner *t = i2c_get_clientdata(c); unsigned char cb1[] = { 0x30, 0xD0 }; unsigned char tda8290_standby[] = { 0x00, 0x02 }; + unsigned char tda8290_agc_tri[] = { 0x02, 0x20 }; struct i2c_msg msg = {.addr = t->tda827x_addr, .flags=0, .buf=cb1, .len = 2}; tda8290_i2c_bridge(c, 1); @@ -477,6 +480,7 @@ static void standby(struct i2c_client *c) cb1[1] = 0x90; i2c_transfer(c->adapter, &msg, 1); tda8290_i2c_bridge(c, 0); + i2c_master_send(c, tda8290_agc_tri, 2); i2c_master_send(c, tda8290_standby, 2); } @@ -565,7 +569,7 @@ int tda8290_init(struct i2c_client *c) strlcpy(c->name, "tda8290+75a", sizeof(c->name)); t->tda827x_ver = 2; } - tuner_info("tuner: type set to %s\n", c->name); + tuner_info("type set to %s\n", c->name); t->set_tv_freq = set_tv_freq; t->set_radio_freq = set_radio_freq; |