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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-14 23:23:43 +0400 |
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committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-15 23:42:14 +0400 |
commit | cb7a01ac324bf2ee2c666f37ac867e4135f9785a (patch) | |
tree | 7246b915a9334d4bc823c93ba9acab65ef882678 /drivers/media/video/vp27smpx.c | |
parent | f0af8fa4dad0839f844fd0633e1936493f6d685a (diff) | |
download | linux-cb7a01ac324bf2ee2c666f37ac867e4135f9785a.tar.xz |
[media] move i2c files into drivers/media/i2c
Move ancillary I2C drivers into drivers/media/i2c, in order to
better organize them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/vp27smpx.c')
-rw-r--r-- | drivers/media/video/vp27smpx.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/drivers/media/video/vp27smpx.c b/drivers/media/video/vp27smpx.c deleted file mode 100644 index 7cfbc9d94a48..000000000000 --- a/drivers/media/video/vp27smpx.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * vp27smpx - driver version 0.0.1 - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * - * Based on a tvaudio patch from Takahiro Adachi <tadachi@tadachi-net.com> - * and Kazuhiko Kawakami <kazz-0@mail.goo.ne.jp> - * - * 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. - */ - -#include <linux/module.h> -#include <linux/types.h> -#include <linux/slab.h> -#include <linux/ioctl.h> -#include <asm/uaccess.h> -#include <linux/i2c.h> -#include <linux/videodev2.h> -#include <media/v4l2-device.h> -#include <media/v4l2-chip-ident.h> - -MODULE_DESCRIPTION("vp27smpx driver"); -MODULE_AUTHOR("Hans Verkuil"); -MODULE_LICENSE("GPL"); - - -/* ----------------------------------------------------------------------- */ - -struct vp27smpx_state { - struct v4l2_subdev sd; - int radio; - u32 audmode; -}; - -static inline struct vp27smpx_state *to_state(struct v4l2_subdev *sd) -{ - return container_of(sd, struct vp27smpx_state, sd); -} - -static void vp27smpx_set_audmode(struct v4l2_subdev *sd, u32 audmode) -{ - struct vp27smpx_state *state = to_state(sd); - struct i2c_client *client = v4l2_get_subdevdata(sd); - u8 data[3] = { 0x00, 0x00, 0x04 }; - - switch (audmode) { - case V4L2_TUNER_MODE_MONO: - case V4L2_TUNER_MODE_LANG1: - break; - case V4L2_TUNER_MODE_STEREO: - case V4L2_TUNER_MODE_LANG1_LANG2: - data[1] = 0x01; - break; - case V4L2_TUNER_MODE_LANG2: - data[1] = 0x02; - break; - } - - if (i2c_master_send(client, data, sizeof(data)) != sizeof(data)) - v4l2_err(sd, "I/O error setting audmode\n"); - else - state->audmode = audmode; -} - -static int vp27smpx_s_radio(struct v4l2_subdev *sd) -{ - struct vp27smpx_state *state = to_state(sd); - - state->radio = 1; - return 0; -} - -static int vp27smpx_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) -{ - struct vp27smpx_state *state = to_state(sd); - - state->radio = 0; - return 0; -} - -static int vp27smpx_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct vp27smpx_state *state = to_state(sd); - - if (!state->radio) - vp27smpx_set_audmode(sd, vt->audmode); - return 0; -} - -static int vp27smpx_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) -{ - struct vp27smpx_state *state = to_state(sd); - - if (state->radio) - return 0; - vt->audmode = state->audmode; - vt->capability = V4L2_TUNER_CAP_STEREO | - V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; - vt->rxsubchans = V4L2_TUNER_SUB_MONO; - return 0; -} - -static int vp27smpx_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) -{ - struct i2c_client *client = v4l2_get_subdevdata(sd); - - return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_VP27SMPX, 0); -} - -static int vp27smpx_log_status(struct v4l2_subdev *sd) -{ - struct vp27smpx_state *state = to_state(sd); - - v4l2_info(sd, "Audio Mode: %u%s\n", state->audmode, - state->radio ? " (Radio)" : ""); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct v4l2_subdev_core_ops vp27smpx_core_ops = { - .log_status = vp27smpx_log_status, - .g_chip_ident = vp27smpx_g_chip_ident, - .s_std = vp27smpx_s_std, -}; - -static const struct v4l2_subdev_tuner_ops vp27smpx_tuner_ops = { - .s_radio = vp27smpx_s_radio, - .s_tuner = vp27smpx_s_tuner, - .g_tuner = vp27smpx_g_tuner, -}; - -static const struct v4l2_subdev_ops vp27smpx_ops = { - .core = &vp27smpx_core_ops, - .tuner = &vp27smpx_tuner_ops, -}; - -/* ----------------------------------------------------------------------- */ - -/* i2c implementation */ - -/* - * Generic i2c probe - * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1' - */ - -static int vp27smpx_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct vp27smpx_state *state; - struct v4l2_subdev *sd; - - /* Check if the adapter supports the needed features */ - if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) - return -EIO; - - v4l_info(client, "chip found @ 0x%x (%s)\n", - client->addr << 1, client->adapter->name); - - state = kzalloc(sizeof(struct vp27smpx_state), GFP_KERNEL); - if (state == NULL) - return -ENOMEM; - sd = &state->sd; - v4l2_i2c_subdev_init(sd, client, &vp27smpx_ops); - state->audmode = V4L2_TUNER_MODE_STEREO; - - /* initialize vp27smpx */ - vp27smpx_set_audmode(sd, state->audmode); - return 0; -} - -static int vp27smpx_remove(struct i2c_client *client) -{ - struct v4l2_subdev *sd = i2c_get_clientdata(client); - - v4l2_device_unregister_subdev(sd); - kfree(to_state(sd)); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static const struct i2c_device_id vp27smpx_id[] = { - { "vp27smpx", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, vp27smpx_id); - -static struct i2c_driver vp27smpx_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "vp27smpx", - }, - .probe = vp27smpx_probe, - .remove = vp27smpx_remove, - .id_table = vp27smpx_id, -}; - -module_i2c_driver(vp27smpx_driver); |