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authorHartmut Hackmann <hartmut.hackmann@t-online.de>2005-11-08 21:35:13 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-09 07:56:01 -0800
commit634623d3ba6146e13d06d3f36188c189c8a58a23 (patch)
tree26038351a6b1191c84a9265ba75d9d2bb9a41756 /drivers/media/dvb
parent3cff00d91292e744a510be7256f1c80e1b0be819 (diff)
[PATCH] dvb: tda1004x: pll communication fixes
- leave I2C bridge open at pll_sleep to support Philips EUROPA based cards. - give an error message if the communication with the pll fails. Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de> Signed-off-by: Michael Krufky <mkrufky@linuxtv.org> Cc: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/media/dvb')
-rw-r--r--drivers/media/dvb/frontends/tda1004x.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/media/dvb/frontends/tda1004x.c b/drivers/media/dvb/frontends/tda1004x.c
index 3529c618f82..7968743826f 100644
--- a/drivers/media/dvb/frontends/tda1004x.c
+++ b/drivers/media/dvb/frontends/tda1004x.c
@@ -420,7 +420,7 @@ static void tda10046_init_plls(struct dvb_frontend* fe)
struct tda1004x_state* state = fe->demodulator_priv;
tda1004x_write_byteI(state, TDA10046H_CONFPLL1, 0xf0);
- tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 10); // PLL M = 10
+ tda1004x_write_byteI(state, TDA10046H_CONFPLL2, 0x0a); // PLL M = 10
if (state->config->xtal_freq == TDA10046_XTAL_4M ) {
dprintk("%s: setting up PLLs for a 4 MHz Xtal\n", __FUNCTION__);
tda1004x_write_byteI(state, TDA10046H_CONFPLL3, 0); // PLL P = N = 0
@@ -597,7 +597,10 @@ static int tda10046_init(struct dvb_frontend* fe)
// Init the tuner PLL
if (state->config->pll_init) {
tda1004x_enable_tuner_i2c(state);
- state->config->pll_init(fe);
+ if (state->config->pll_init(fe)) {
+ printk(KERN_ERR "tda1004x: pll init failed\n");
+ return -EIO;
+ }
tda1004x_disable_tuner_i2c(state);
}
@@ -667,7 +670,10 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
// set frequency
tda1004x_enable_tuner_i2c(state);
- state->config->pll_set(fe, fe_params);
+ if (state->config->pll_set(fe, fe_params)) {
+ printk(KERN_ERR "tda1004x: pll set failed\n");
+ return -EIO;
+ }
tda1004x_disable_tuner_i2c(state);
// Hardcoded to use auto as much as possible on the TDA10045 as it
@@ -832,6 +838,8 @@ static int tda1004x_set_fe(struct dvb_frontend* fe,
case TDA1004X_DEMOD_TDA10046:
tda1004x_write_mask(state, TDA1004X_AUTO, 0x40, 0x40);
+ msleep(1);
+ tda1004x_write_mask(state, TDA10046H_AGC_CONF, 4, 1);
break;
}
@@ -1129,7 +1137,12 @@ static int tda1004x_sleep(struct dvb_frontend* fe)
if (state->config->pll_sleep != NULL) {
tda1004x_enable_tuner_i2c(state);
state->config->pll_sleep(fe);
- tda1004x_disable_tuner_i2c(state);
+ if (state->config->if_freq != TDA10046_FREQ_052) {
+ /* special hack for Philips EUROPA Based boards:
+ * keep the I2c bridge open for tuner access in analog mode
+ */
+ tda1004x_disable_tuner_i2c(state);
+ }
}
tda1004x_write_mask(state, TDA1004X_CONFC4, 1, 1);
break;