From e6777689406545611d1bda4f716a56a3961bc7f8 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 15 Jul 2019 06:04:30 -0400 Subject: [PATCH] media: cros-ec-cec: use cec_notifier_cec_adap_(un)register Use cec_notifier_cec_adap_(un)register instead of cec_notifier_get_conn, cec_notifier_put and cec_register_cec_notifier. Also enable the CEC_CAP_CONNECTOR_INFO capability. Signed-off-by: Hans Verkuil Cc: Neil Armstrong Signed-off-by: Mauro Carvalho Chehab --- .../media/platform/cros-ec-cec/cros-ec-cec.c | 69 +++++++++++-------- 1 file changed, 39 insertions(+), 30 deletions(-) diff --git a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c index 068df9888dbf..76ab83f55cc0 100644 --- a/drivers/media/platform/cros-ec-cec/cros-ec-cec.c +++ b/drivers/media/platform/cros-ec-cec/cros-ec-cec.c @@ -206,10 +206,10 @@ static SIMPLE_DEV_PM_OPS(cros_ec_cec_pm_ops, */ struct cec_dmi_match { - char *sys_vendor; - char *product_name; - char *devname; - char *conn; + const char *sys_vendor; + const char *product_name; + const char *devname; + const char *conn; }; static const struct cec_dmi_match cec_dmi_match_table[] = { @@ -217,8 +217,8 @@ static const struct cec_dmi_match cec_dmi_match_table[] = { { "Google", "Fizz", "0000:00:02.0", "Port B" }, }; -static int cros_ec_cec_get_notifier(struct device *dev, - struct cec_notifier **notify) +static struct device *cros_ec_cec_find_hdmi_dev(struct device *dev, + const char **conn) { int i; @@ -233,26 +233,25 @@ static int cros_ec_cec_get_notifier(struct device *dev, d = bus_find_device_by_name(&pci_bus_type, NULL, m->devname); if (!d) - return -EPROBE_DEFER; - - *notify = cec_notifier_get_conn(d, m->conn); + return ERR_PTR(-EPROBE_DEFER); put_device(d); - return 0; + *conn = m->conn; + return d; } } /* Hardware support must be added in the cec_dmi_match_table */ dev_warn(dev, "CEC notifier not configured for this hardware\n"); - return -ENODEV; + return ERR_PTR(-ENODEV); } #else -static int cros_ec_cec_get_notifier(struct device *dev, - struct cec_notifier **notify) +static struct device *cros_ec_cec_find_hdmi_dev(struct device *dev, + const char **conn) { - return -ENODEV; + return ERR_PTR(-ENODEV); } #endif @@ -262,8 +261,14 @@ static int cros_ec_cec_probe(struct platform_device *pdev) struct cros_ec_dev *ec_dev = dev_get_drvdata(pdev->dev.parent); struct cros_ec_device *cros_ec = ec_dev->ec_dev; struct cros_ec_cec *cros_ec_cec; + struct device *hdmi_dev; + const char *conn = NULL; int ret; + hdmi_dev = cros_ec_cec_find_hdmi_dev(&pdev->dev, &conn); + if (IS_ERR(hdmi_dev)) + return PTR_ERR(hdmi_dev); + cros_ec_cec = devm_kzalloc(&pdev->dev, sizeof(*cros_ec_cec), GFP_KERNEL); if (!cros_ec_cec) @@ -272,10 +277,6 @@ static int cros_ec_cec_probe(struct platform_device *pdev) platform_set_drvdata(pdev, cros_ec_cec); cros_ec_cec->cros_ec = cros_ec; - ret = cros_ec_cec_get_notifier(&pdev->dev, &cros_ec_cec->notify); - if (ret) - return ret; - ret = device_init_wakeup(&pdev->dev, 1); if (ret) { dev_err(&pdev->dev, "failed to initialize wakeup\n"); @@ -283,29 +284,39 @@ static int cros_ec_cec_probe(struct platform_device *pdev) } cros_ec_cec->adap = cec_allocate_adapter(&cros_ec_cec_ops, cros_ec_cec, - DRV_NAME, CEC_CAP_DEFAULTS, 1); + DRV_NAME, + CEC_CAP_DEFAULTS | + CEC_CAP_CONNECTOR_INFO, 1); if (IS_ERR(cros_ec_cec->adap)) return PTR_ERR(cros_ec_cec->adap); + cros_ec_cec->notify = cec_notifier_cec_adap_register(hdmi_dev, conn, + cros_ec_cec->adap); + if (!cros_ec_cec->notify) { + ret = -ENOMEM; + goto out_probe_adapter; + } + /* Get CEC events from the EC. */ cros_ec_cec->notifier.notifier_call = cros_ec_cec_event; ret = blocking_notifier_chain_register(&cros_ec->event_notifier, &cros_ec_cec->notifier); if (ret) { dev_err(&pdev->dev, "failed to register notifier\n"); - cec_delete_adapter(cros_ec_cec->adap); - return ret; + goto out_probe_notify; } ret = cec_register_adapter(cros_ec_cec->adap, &pdev->dev); - if (ret < 0) { - cec_delete_adapter(cros_ec_cec->adap); - return ret; - } - - cec_register_cec_notifier(cros_ec_cec->adap, cros_ec_cec->notify); + if (ret < 0) + goto out_probe_notify; return 0; + +out_probe_notify: + cec_notifier_cec_adap_unregister(cros_ec_cec->notify); +out_probe_adapter: + cec_delete_adapter(cros_ec_cec->adap); + return ret; } static int cros_ec_cec_remove(struct platform_device *pdev) @@ -323,11 +334,9 @@ static int cros_ec_cec_remove(struct platform_device *pdev) return ret; } + cec_notifier_cec_adap_unregister(cros_ec_cec->notify); cec_unregister_adapter(cros_ec_cec->adap); - if (cros_ec_cec->notify) - cec_notifier_put(cros_ec_cec->notify); - return 0; } -- 2.45.2