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author | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-02-27 05:35:13 -0300 |
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committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-04 14:40:43 -0300 |
commit | d7a5478a8a3b45d39823e242bdd05e430b9c9b26 (patch) | |
tree | 5b506339ceec86dab18de0fb4277b00b72cd6d85 /drivers/media/dvb-frontends/drx39xyj | |
parent | 9e4c509d7444e067d39d3ac96a3398721bca4f01 (diff) | |
download | linux-stable-d7a5478a8a3b45d39823e242bdd05e430b9c9b26.tar.gz linux-stable-d7a5478a8a3b45d39823e242bdd05e430b9c9b26.tar.bz2 linux-stable-d7a5478a8a3b45d39823e242bdd05e430b9c9b26.zip |
[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>
Diffstat (limited to 'drivers/media/dvb-frontends/drx39xyj')
-rw-r--r-- | drivers/media/dvb-frontends/drx39xyj/drxj.c | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/drivers/media/dvb-frontends/drx39xyj/drxj.c b/drivers/media/dvb-frontends/drx39xyj/drxj.c index f48f320d7bf3..97a30057ff09 100644 --- a/drivers/media/dvb-frontends/drx39xyj/drxj.c +++ b/drivers/media/dvb-frontends/drx39xyj/drxj.c @@ -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; |