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media: media/dvb: earth-pt3: use the new i2c binding helper 

This patch slightly simplifies the binding code by introducing commit
8f569c0b4e ("media: dvb-core: add helper functions for I2C binding").

Signed-off-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Akihiro Tsukada 2018-03-19 12:00:23 -04:00 committed by Mauro Carvalho Chehab
parent 5b1a270d22
commit 1e25101387
1 changed files with 22 additions and 37 deletions
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59
drivers/media/pci/pt3/pt3.c
View File

@ -376,25 +376,22 @@ static int pt3_fe_init(struct pt3_board *pt3)
static int pt3_attach_fe(struct pt3_board *pt3, int i)
{
struct i2c_board_info info;
const struct i2c_board_info *info;
struct tc90522_config cfg;
struct i2c_client *cl;
struct dvb_adapter *dvb_adap;
int ret;
info = adap_conf[i].demod_info;
info = &adap_conf[i].demod_info;
cfg = adap_conf[i].demod_cfg;
cfg.tuner_i2c = NULL;
info.platform_data = &cfg;
ret = -ENODEV;
request_module("tc90522");
cl = i2c_new_device(&pt3->i2c_adap, &info);
if (!cl || !cl->dev.driver)
cl = dvb_module_probe("tc90522", info->type, &pt3->i2c_adap,
info->addr, &cfg);
if (!cl)
return -ENODEV;
pt3->adaps[i]->i2c_demod = cl;
if (!try_module_get(cl->dev.driver->owner))
goto err_demod_i2c_unregister_device;
if (!strncmp(cl->name, TC90522_I2C_DEV_SAT,
strlen(TC90522_I2C_DEV_SAT))) {
@ -402,41 +399,33 @@ static int pt3_attach_fe(struct pt3_board *pt3, int i)
tcfg = adap_conf[i].tuner_cfg.qm1d1c0042;
tcfg.fe = cfg.fe;
info = adap_conf[i].tuner_info;
info.platform_data = &tcfg;
request_module("qm1d1c0042");
cl = i2c_new_device(cfg.tuner_i2c, &info);
info = &adap_conf[i].tuner_info;
cl = dvb_module_probe("qm1d1c0042", info->type, cfg.tuner_i2c,
info->addr, &tcfg);
} else {
struct mxl301rf_config tcfg;
tcfg = adap_conf[i].tuner_cfg.mxl301rf;
tcfg.fe = cfg.fe;
info = adap_conf[i].tuner_info;
info.platform_data = &tcfg;
request_module("mxl301rf");
cl = i2c_new_device(cfg.tuner_i2c, &info);
info = &adap_conf[i].tuner_info;
cl = dvb_module_probe("mxl301rf", info->type, cfg.tuner_i2c,
info->addr, &tcfg);
}
if (!cl || !cl->dev.driver)
goto err_demod_module_put;
if (!cl)
goto err_demod_module_release;
pt3->adaps[i]->i2c_tuner = cl;
if (!try_module_get(cl->dev.driver->owner))
goto err_tuner_i2c_unregister_device;
dvb_adap = &pt3->adaps[one_adapter ? 0 : i]->dvb_adap;
ret = dvb_register_frontend(dvb_adap, cfg.fe);
if (ret < 0)
goto err_tuner_module_put;
goto err_tuner_module_release;
pt3->adaps[i]->fe = cfg.fe;
return 0;
err_tuner_module_put:
module_put(pt3->adaps[i]->i2c_tuner->dev.driver->owner);
err_tuner_i2c_unregister_device:
i2c_unregister_device(pt3->adaps[i]->i2c_tuner);
err_demod_module_put:
module_put(pt3->adaps[i]->i2c_demod->dev.driver->owner);
err_demod_i2c_unregister_device:
i2c_unregister_device(pt3->adaps[i]->i2c_demod);
err_tuner_module_release:
dvb_module_release(pt3->adaps[i]->i2c_tuner);
err_demod_module_release:
dvb_module_release(pt3->adaps[i]->i2c_demod);
return ret;
}
@ -630,14 +619,10 @@ static void pt3_cleanup_adapter(struct pt3_board *pt3, int index)
adap->fe->callback = NULL;
if (adap->fe->frontend_priv)
dvb_unregister_frontend(adap->fe);
if (adap->i2c_tuner) {
module_put(adap->i2c_tuner->dev.driver->owner);
i2c_unregister_device(adap->i2c_tuner);
}
if (adap->i2c_demod) {
module_put(adap->i2c_demod->dev.driver->owner);
i2c_unregister_device(adap->i2c_demod);
}
if (adap->i2c_tuner)
dvb_module_release(adap->i2c_tuner);
if (adap->i2c_demod)
dvb_module_release(adap->i2c_demod);
}
pt3_free_dmabuf(adap);
dvb_dmxdev_release(&adap->dmxdev);