From: Jarod Wilson Date: Wed, 19 Jan 2011 21:10:14 +0000 (-0300) Subject: [media] hdpvr: fix up i2c device registration X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7f2a06deaa22104a4cf4c0cc3d7c44c7e3228ef3;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git [media] hdpvr: fix up i2c device registration We have to actually call i2c_new_device() once for each of the rx and tx addresses. Also improve error-handling and device remove i2c cleanup. Reviewed-by: Andy Walls Signed-off-by: Jarod Wilson Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c index a6572e5ae369..a27d93b503a5 100644 --- a/drivers/media/video/hdpvr/hdpvr-core.c +++ b/drivers/media/video/hdpvr/hdpvr-core.c @@ -283,6 +283,7 @@ static int hdpvr_probe(struct usb_interface *interface, struct hdpvr_device *dev; struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; + struct i2c_client *client; size_t buffer_size; int i; int retval = -ENOMEM; @@ -381,13 +382,21 @@ static int hdpvr_probe(struct usb_interface *interface, #if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) retval = hdpvr_register_i2c_adapter(dev); if (retval < 0) { - v4l2_err(&dev->v4l2_dev, "registering i2c adapter failed\n"); + v4l2_err(&dev->v4l2_dev, "i2c adapter register failed\n"); goto error; } - retval = hdpvr_register_i2c_ir(dev); - if (retval < 0) - v4l2_err(&dev->v4l2_dev, "registering i2c IR devices failed\n"); + client = hdpvr_register_ir_rx_i2c(dev); + if (!client) { + v4l2_err(&dev->v4l2_dev, "i2c IR RX device register failed\n"); + goto reg_fail; + } + + client = hdpvr_register_ir_tx_i2c(dev); + if (!client) { + v4l2_err(&dev->v4l2_dev, "i2c IR TX device register failed\n"); + goto reg_fail; + } #endif /* let the user know what node this device is now attached to */ @@ -395,6 +404,10 @@ static int hdpvr_probe(struct usb_interface *interface, video_device_node_name(dev->video_dev)); return 0; +reg_fail: +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_adapter(&dev->i2c_adapter); +#endif error: if (dev) { /* Destroy single thread */ @@ -424,6 +437,9 @@ static void hdpvr_disconnect(struct usb_interface *interface) mutex_lock(&dev->io_mutex); hdpvr_cancel_queue(dev); mutex_unlock(&dev->io_mutex); +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE) + i2c_del_adapter(&dev->i2c_adapter); +#endif video_unregister_device(dev->video_dev); atomic_dec(&dev_nr); } diff --git a/drivers/media/video/hdpvr/hdpvr-i2c.c b/drivers/media/video/hdpvr/hdpvr-i2c.c index 89b71faeaac2..e53fa55d56a1 100644 --- a/drivers/media/video/hdpvr/hdpvr-i2c.c +++ b/drivers/media/video/hdpvr/hdpvr-i2c.c @@ -31,26 +31,34 @@ #define Z8F0811_IR_RX_I2C_ADDR 0x71 -static struct i2c_board_info hdpvr_i2c_board_info = { - I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR), - I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR), -}; +struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev) +{ + struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data; + struct i2c_board_info hdpvr_ir_tx_i2c_board_info = { + I2C_BOARD_INFO("ir_tx_z8f0811_hdpvr", Z8F0811_IR_TX_I2C_ADDR), + }; + + init_data->name = "HD-PVR"; + hdpvr_ir_tx_i2c_board_info.platform_data = init_data; -int hdpvr_register_i2c_ir(struct hdpvr_device *dev) + return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_tx_i2c_board_info); +} + +struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev) { - struct i2c_client *c; struct IR_i2c_init_data *init_data = &dev->ir_i2c_init_data; + struct i2c_board_info hdpvr_ir_rx_i2c_board_info = { + I2C_BOARD_INFO("ir_rx_z8f0811_hdpvr", Z8F0811_IR_RX_I2C_ADDR), + }; /* Our default information for ir-kbd-i2c.c to use */ init_data->ir_codes = RC_MAP_HAUPPAUGE_NEW; init_data->internal_get_key_func = IR_KBD_GET_KEY_HAUP_XVR; init_data->type = RC_TYPE_RC5; - init_data->name = "HD PVR"; - hdpvr_i2c_board_info.platform_data = init_data; - - c = i2c_new_device(&dev->i2c_adapter, &hdpvr_i2c_board_info); + init_data->name = "HD-PVR"; + hdpvr_ir_rx_i2c_board_info.platform_data = init_data; - return (c == NULL) ? -ENODEV : 0; + return i2c_new_device(&dev->i2c_adapter, &hdpvr_ir_rx_i2c_board_info); } static int hdpvr_i2c_read(struct hdpvr_device *dev, int bus, diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h index ee74e3be9a6a..072f23c570f3 100644 --- a/drivers/media/video/hdpvr/hdpvr.h +++ b/drivers/media/video/hdpvr/hdpvr.h @@ -313,7 +313,8 @@ int hdpvr_cancel_queue(struct hdpvr_device *dev); /* i2c adapter registration */ int hdpvr_register_i2c_adapter(struct hdpvr_device *dev); -int hdpvr_register_i2c_ir(struct hdpvr_device *dev); +struct i2c_client *hdpvr_register_ir_rx_i2c(struct hdpvr_device *dev); +struct i2c_client *hdpvr_register_ir_tx_i2c(struct hdpvr_device *dev); /*========================================================================*/ /* buffer management */