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[media] drx-j: be sure to send the powerup command at device open 

As drxj_close puts the device in powerdown, we need to power it up
properly at drxj_open.

This is the behavior noticed at the Windows driver.

Acked-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2014-02-27 05:35:13 -03:00
parent 9e4c509d74
commit d7a5478a8a
1 changed files with 23 additions and 16 deletions
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39
drivers/media/dvb-frontends/drx39xyj/drxj.c
View File

@ -18621,19 +18621,22 @@ ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode)
default:
return -EIO;
}
ext_attr->standard = DRX_STANDARD_UNKNOWN;
}
if (*mode != DRXJ_POWER_DOWN_MAIN_PATH) {
rc = drxj_dap_write_reg16(dev_addr, SIO_CC_PWD_MODE__A, sio_cc_pwd_mode, 0);
if (rc != 0) {
pr_err("error %d\n", rc);
goto rw_error;
}
rc = drxj_dap_write_reg16(dev_addr, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY, 0);
if (rc != 0) {
pr_err("error %d\n", rc);
goto rw_error;
}
if (*mode != DRXJ_POWER_DOWN_MAIN_PATH) {
rc = drxj_dap_write_reg16(dev_addr, SIO_CC_PWD_MODE__A, sio_cc_pwd_mode, 0);
if (rc != 0) {
pr_err("error %d\n", rc);
goto rw_error;
}
rc = drxj_dap_write_reg16(dev_addr, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY, 0);
if (rc != 0) {
pr_err("error %d\n", rc);
goto rw_error;
}
if ((*mode != DRX_POWER_UP)) {
/* Initialize HI, wakeup key especially before put IC to sleep */
rc = init_hi(demod);
if (rc != 0) {
@ -18648,14 +18651,13 @@ ctrl_power_mode(struct drx_demod_instance *demod, enum drx_power_mode *mode)
goto rw_error;
}
}
ext_attr->standard = DRX_STANDARD_UNKNOWN;
}
common_attr->current_power_mode = *mode;
return 0;
rw_error:
return -EIO;
return rc;
}
#if 0
@ -19838,7 +19840,7 @@ int drxj_open(struct drx_demod_instance *demod)
struct drxu_code_info ucode_info;
struct drx_cfg_mpeg_output cfg_mpeg_output;
int rc;
enum drx_power_mode power_mode = DRX_POWER_UP;
if ((demod == NULL) ||
(demod->my_common_attr == NULL) ||
@ -19856,12 +19858,16 @@ int drxj_open(struct drx_demod_instance *demod)
ext_attr = (struct drxj_data *) demod->my_ext_attr;
common_attr = (struct drx_common_attr *) demod->my_common_attr;
rc = power_up_device(demod);
rc = ctrl_power_mode(demod, &power_mode);
if (rc != 0) {
pr_err("error %d\n", rc);
goto rw_error;
}
common_attr->current_power_mode = DRX_POWER_UP;
if (power_mode != DRX_POWER_UP) {
rc = -EINVAL;
pr_err("failed to powerup device\n");
goto rw_error;
}
/* has to be in front of setIqmAf and setOrxNsuAox */
rc = get_device_capabilities(demod);
@ -20797,6 +20803,7 @@ struct dvb_frontend *drx39xxj_attach(struct i2c_adapter *i2c)
demod->my_common_attr->microcode_file = DRX39XX_MAIN_FIRMWARE;
demod->my_common_attr->verify_microcode = true;
demod->my_common_attr->intermediate_freq = 5000;
demod->my_common_attr->current_power_mode = DRX_POWER_DOWN;
demod->my_ext_attr = demod_ext_attr;
((struct drxj_data *)demod_ext_attr)->uio_sma_tx_mode = DRX_UIO_MODE_READWRITE;
demod->i2c = i2c;