diff options
Diffstat (limited to 'drivers/media/video/tuner-core.c')
| -rw-r--r-- | drivers/media/video/tuner-core.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/media/video/tuner-core.c b/drivers/media/video/tuner-core.c index aba92e2313d..5b3eaa16afd 100644 --- a/drivers/media/video/tuner-core.c +++ b/drivers/media/video/tuner-core.c @@ -320,6 +320,7 @@ static void set_type(struct i2c_client *c, unsigned int type, struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; unsigned char buffer[4]; + int tune_now = 1; if (type == UNSET || type == TUNER_ABSENT) { tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); @@ -328,7 +329,7 @@ static void set_type(struct i2c_client *c, unsigned int type, t->type = type; /* prevent invalid config values */ - t->config = ((new_config >= 0) && (new_config < 256)) ? new_config : 0; + t->config = new_config < 256 ? new_config : 0; if (tuner_callback != NULL) { tuner_dbg("defining GPIO callback\n"); t->fe.callback = tuner_callback; @@ -404,6 +405,7 @@ static void set_type(struct i2c_client *c, unsigned int type, }; if (!dvb_attach(xc2028_attach, &t->fe, &cfg)) goto attach_failed; + tune_now = 0; break; } case TUNER_TDA9887: @@ -419,6 +421,7 @@ static void set_type(struct i2c_client *c, unsigned int type, if (!dvb_attach(xc5000_attach, &t->fe, t->i2c->adapter, &xc5000_cfg)) goto attach_failed; + tune_now = 0; break; } case TUNER_NXP_TDA18271: @@ -430,6 +433,7 @@ static void set_type(struct i2c_client *c, unsigned int type, if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr, t->i2c->adapter, &cfg)) goto attach_failed; + tune_now = 0; break; } default: @@ -458,12 +462,13 @@ static void set_type(struct i2c_client *c, unsigned int type, if (t->mode_mask == T_UNINITIALIZED) t->mode_mask = new_mode_mask; - /* xc2028/3028 and xc5000 requires a firmware to be set-up later + /* Some tuners require more initialization setup before use, + such as firmware download or device calibration. trying to set a frequency here will just fail FIXME: better to move set_freq to the tuner code. This is needed on analog tuners for PLL to properly work */ - if (t->type != TUNER_XC2028 && t->type != TUNER_XC5000) + if (tune_now) set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); @@ -752,14 +757,17 @@ static int tuner_s_radio(struct v4l2_subdev *sd) return 0; } -static int tuner_s_standby(struct v4l2_subdev *sd) +static int tuner_s_power(struct v4l2_subdev *sd, int on) { struct tuner *t = to_tuner(sd); struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; + if (on) + return 0; + tuner_dbg("Putting tuner to sleep\n"); - if (check_mode(t, "s_standby") == -EINVAL) + if (check_mode(t, "s_power") == -EINVAL) return 0; t->mode = T_STANDBY; if (analog_ops->standby) @@ -961,6 +969,7 @@ static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg) static const struct v4l2_subdev_core_ops tuner_core_ops = { .log_status = tuner_log_status, .s_std = tuner_s_std, + .s_power = tuner_s_power, }; static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = { @@ -971,7 +980,6 @@ static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = { .g_frequency = tuner_g_frequency, .s_type_addr = tuner_s_type_addr, .s_config = tuner_s_config, - .s_standby = tuner_s_standby, }; static const struct v4l2_subdev_ops tuner_ops = { |