diff options
author | Daniel Scheller <d.scheller@gmx.net> | 2018-02-08 14:53:15 -0500 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2018-03-06 08:48:59 -0500 |
commit | d19e3a72a6cec187a35aed9abf03fc4730eded76 (patch) | |
tree | 72feba78a5eb56ea51d25b98320d9f6af8d0a14f /drivers/media/pci | |
parent | 81a705914b77e700ce142892c1f839488200099d (diff) | |
download | linux-stable-d19e3a72a6cec187a35aed9abf03fc4730eded76.tar.gz linux-stable-d19e3a72a6cec187a35aed9abf03fc4730eded76.tar.bz2 linux-stable-d19e3a72a6cec187a35aed9abf03fc4730eded76.zip |
media: ngene: adapt cxd2099 attach to the new i2c_client way
Change the way the cxd2099 hardware is being attached to the new I2C
client interface way.
Signed-off-by: Daniel Scheller <d.scheller@gmx.net>
Signed-off-by: Jasmin Jessich <jasmin@anw.at>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/pci')
-rw-r--r-- | drivers/media/pci/ngene/ngene-core.c | 41 | ||||
-rw-r--r-- | drivers/media/pci/ngene/ngene.h | 1 |
2 files changed, 38 insertions, 4 deletions
diff --git a/drivers/media/pci/ngene/ngene-core.c b/drivers/media/pci/ngene/ngene-core.c index 8c92cb7f7e72..80db777cb7ec 100644 --- a/drivers/media/pci/ngene/ngene-core.c +++ b/drivers/media/pci/ngene/ngene-core.c @@ -1562,9 +1562,8 @@ static int init_channels(struct ngene *dev) return 0; } -static struct cxd2099_cfg cxd_cfg = { +static const struct cxd2099_cfg cxd_cfgtmpl = { .bitrate = 62000, - .adr = 0x40, .polarity = 0, .clock_mode = 0, }; @@ -1572,18 +1571,52 @@ static struct cxd2099_cfg cxd_cfg = { static void cxd_attach(struct ngene *dev) { struct ngene_ci *ci = &dev->ci; + struct cxd2099_cfg cxd_cfg = cxd_cfgtmpl; + struct i2c_client *client; + struct i2c_board_info board_info = { + .type = "cxd2099", + .addr = 0x40, + .platform_data = &cxd_cfg, + }; + + cxd_cfg.en = &ci->en; + + request_module(board_info.type); + + client = i2c_new_device(&dev->channel[0].i2c_adapter, &board_info); + if (!client || !client->dev.driver) + goto err_ret; + + if (!try_module_get(client->dev.driver->owner)) + goto err_i2c; + + if (!ci->en) + goto err_i2c; - ci->en = cxd2099_attach(&cxd_cfg, dev, &dev->channel[0].i2c_adapter); ci->dev = dev; + dev->channel[0].i2c_client[0] = client; + return; + +err_i2c: + i2c_unregister_device(client); +err_ret: + printk(KERN_ERR DEVICE_NAME ": CXD2099AR attach failed\n"); return; } static void cxd_detach(struct ngene *dev) { struct ngene_ci *ci = &dev->ci; + struct i2c_client *client; dvb_ca_en50221_release(ci->en); - kfree(ci->en); + + client = dev->channel[0].i2c_client[0]; + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } + ci->en = NULL; } diff --git a/drivers/media/pci/ngene/ngene.h b/drivers/media/pci/ngene/ngene.h index 02dbd18f92d0..caf8602c7459 100644 --- a/drivers/media/pci/ngene/ngene.h +++ b/drivers/media/pci/ngene/ngene.h @@ -630,6 +630,7 @@ struct ngene_vopen { struct ngene_channel { struct device device; struct i2c_adapter i2c_adapter; + struct i2c_client *i2c_client[1]; struct ngene *dev; int number; |