From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pg0-f67.google.com ([74.125.83.67]:40854 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751908AbeCZSIY (ORCPT ); Mon, 26 Mar 2018 14:08:24 -0400 Received: by mail-pg0-f67.google.com with SMTP id g8so7575062pgv.7 for ; Mon, 26 Mar 2018 11:08:23 -0700 (PDT) From: tskd08@gmail.com To: linux-media@vger.kernel.org Cc: mchehab@s-opensource.com, Akihiro Tsukada Subject: [PATCH v3 1/5] dvb-frontends/dvb-pll: add i2c driver support Date: Tue, 27 Mar 2018 03:06:48 +0900 Message-Id: <20180326180652.5385-2-tskd08@gmail.com> In-Reply-To: <20180326180652.5385-1-tskd08@gmail.com> References: <20180326180652.5385-1-tskd08@gmail.com> Sender: linux-media-owner@vger.kernel.org List-ID: From: Akihiro Tsukada registers the module as an i2c driver, but keeps dvb_pll_attach() untouched for compatibility. Signed-off-by: Akihiro Tsukada --- drivers/media/dvb-frontends/dvb-pll.c | 49 +++++++++++++++++++++++++++++++++++ drivers/media/dvb-frontends/dvb-pll.h | 6 +++++ 2 files changed, 55 insertions(+) diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c index 5553b89b804..614a5ea3b00 100644 --- a/drivers/media/dvb-frontends/dvb-pll.c +++ b/drivers/media/dvb-frontends/dvb-pll.c @@ -827,6 +827,55 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, } EXPORT_SYMBOL(dvb_pll_attach); + +static int +dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct dvb_pll_config *cfg; + struct dvb_frontend *fe; + unsigned int desc_id; + + cfg = client->dev.platform_data; + fe = cfg->fe; + i2c_set_clientdata(client, fe); + desc_id = cfg->desc_id; + + if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id)) + return -ENOMEM; + + dev_info(&client->dev, "DVB Simple Tuner attached.\n"); + return 0; +} + +static int dvb_pll_remove(struct i2c_client *client) +{ + struct dvb_frontend *fe; + + fe = i2c_get_clientdata(client); + dvb_pll_release(fe); + return 0; +} + + +static const struct i2c_device_id dvb_pll_id[] = { + {"dvb_pll", 0}, + {} +}; + + +MODULE_DEVICE_TABLE(i2c, dvb_pll_id); + +static struct i2c_driver dvb_pll_driver = { + .driver = { + .name = "dvb_pll", + }, + .probe = dvb_pll_probe, + .remove = dvb_pll_remove, + .id_table = dvb_pll_id, +}; + +module_i2c_driver(dvb_pll_driver); + MODULE_DESCRIPTION("dvb pll library"); MODULE_AUTHOR("Gerd Knorr"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb-frontends/dvb-pll.h b/drivers/media/dvb-frontends/dvb-pll.h index ca885e71d2f..15bda0d0c15 100644 --- a/drivers/media/dvb-frontends/dvb-pll.h +++ b/drivers/media/dvb-frontends/dvb-pll.h @@ -30,6 +30,12 @@ #define DVB_PLL_TDEE4 18 #define DVB_PLL_THOMSON_DTT7520X 19 +struct dvb_pll_config { + struct dvb_frontend *fe; + + unsigned int desc_id; +}; + #if IS_REACHABLE(CONFIG_DVB_PLL) /** * Attach a dvb-pll to the supplied frontend structure. -- 2.16.2