diff options
Diffstat (limited to 'drivers/media/i2c/tda9840.c')
| -rw-r--r-- | drivers/media/i2c/tda9840.c | 32 |
1 files changed, 11 insertions, 21 deletions
diff --git a/drivers/media/i2c/tda9840.c b/drivers/media/i2c/tda9840.c index f31e659588ac..e3b266db571f 100644 --- a/drivers/media/i2c/tda9840.c +++ b/drivers/media/i2c/tda9840.c @@ -1,28 +1,16 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* tda9840 - i2c-driver for the tda9840 by SGS Thomson Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de> - Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> + Copyright (C) 2008 Hans Verkuil <hverkuil@kernel.org> The tda9840 is a stereo/dual sound processor with digital identification. It can be found at address 0x84 on the i2c-bus. - For detailed informations download the specifications directly + For detailed information download the specifications directly from SGS Thomson at http://www.st.com - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ @@ -68,11 +56,15 @@ static void tda9840_write(struct v4l2_subdev *sd, u8 reg, u8 val) static int tda9840_status(struct v4l2_subdev *sd) { struct i2c_client *client = v4l2_get_subdevdata(sd); + int rc; u8 byte; - if (1 != i2c_master_recv(client, &byte, 1)) { + rc = i2c_master_recv(client, &byte, 1); + if (rc != 1) { v4l2_dbg(1, debug, sd, "i2c_master_recv() failed\n"); + if (rc < 0) + return rc; return -EIO; } @@ -157,8 +149,7 @@ static const struct v4l2_subdev_ops tda9840_ops = { /* ----------------------------------------------------------------------- */ -static int tda9840_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int tda9840_probe(struct i2c_client *client) { struct v4l2_subdev *sd; @@ -183,16 +174,15 @@ static int tda9840_probe(struct i2c_client *client, return 0; } -static int tda9840_remove(struct i2c_client *client) +static void tda9840_remove(struct i2c_client *client) { struct v4l2_subdev *sd = i2c_get_clientdata(client); v4l2_device_unregister_subdev(sd); - return 0; } static const struct i2c_device_id tda9840_id[] = { - { "tda9840", 0 }, + { "tda9840" }, { } }; MODULE_DEVICE_TABLE(i2c, tda9840_id); |