diff options
author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-10-19 15:19:19 -0400 |
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committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2012-10-19 15:19:19 -0400 |
commit | e05dacd71db0a5da7c1a44bcaab2a8a240b9c233 (patch) | |
tree | 31382cf1c7d62c03126448affb2fc86e8c4aaa8b /drivers/media/pci/cx18/cx18-alsa.h | |
parent | 3ab0b83bf6a1e834f4b884150d8012990c75d25d (diff) | |
parent | ddffeb8c4d0331609ef2581d84de4d763607bd37 (diff) |
Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits)
Linux 3.7-rc1
x86, boot: Explicitly include autoconf.h for hostprogs
perf: Fix UAPI fallout
ARM: config: make sure that platforms are ordered by option string
ARM: config: sort select statements alphanumerically
UAPI: (Scripted) Disintegrate include/linux/byteorder
UAPI: (Scripted) Disintegrate include/linux
UAPI: Unexport linux/blk_types.h
UAPI: Unexport part of linux/ppp-comp.h
perf: Handle new rbtree implementation
procfs: don't need a PATH_MAX allocation to hold a string representation of an int
vfs: embed struct filename inside of names_cache allocation if possible
audit: make audit_inode take struct filename
vfs: make path_openat take a struct filename pointer
vfs: turn do_path_lookup into wrapper around struct filename variant
audit: allow audit code to satisfy getname requests from its names_list
vfs: define struct filename and have getname() return it
btrfs: Fix compilation with user namespace support enabled
userns: Fix posix_acl_file_xattr_userns gid conversion
userns: Properly print bluetooth socket uids
...
Diffstat (limited to 'drivers/media/pci/cx18/cx18-alsa.h')
-rw-r--r-- | drivers/media/pci/cx18/cx18-alsa.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-alsa.h b/drivers/media/pci/cx18/cx18-alsa.h new file mode 100644 index 000000000000..447da374c9e8 --- /dev/null +++ b/drivers/media/pci/cx18/cx18-alsa.h @@ -0,0 +1,75 @@ +/* + * ALSA interface to cx18 PCM capture streams + * + * Copyright (C) 2009 Andy Walls <awalls@md.metrocast.net> + * + * 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., 59 Temple Place, Suite 330, Boston, MA + * 02111-1307 USA + */ + +struct snd_card; + +struct snd_cx18_card { + struct v4l2_device *v4l2_dev; + struct snd_card *sc; + unsigned int capture_transfer_done; + unsigned int hwptr_done_capture; + struct snd_pcm_substream *capture_pcm_substream; + spinlock_t slock; +}; + +extern int cx18_alsa_debug; + +/* + * File operations that manipulate the encoder or video or audio subdevices + * need to be serialized. Use the same lock we use for v4l2 file ops. + */ +static inline void snd_cx18_lock(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + mutex_lock(&cx->serialize_lock); +} + +static inline void snd_cx18_unlock(struct snd_cx18_card *cxsc) +{ + struct cx18 *cx = to_cx18(cxsc->v4l2_dev); + mutex_unlock(&cx->serialize_lock); +} + +#define CX18_ALSA_DBGFLG_WARN (1 << 0) +#define CX18_ALSA_DBGFLG_WARN (1 << 0) +#define CX18_ALSA_DBGFLG_INFO (1 << 1) + +#define CX18_ALSA_DEBUG(x, type, fmt, args...) \ + do { \ + if ((x) & cx18_alsa_debug) \ + printk(KERN_INFO "%s-alsa: " type ": " fmt, \ + v4l2_dev->name , ## args); \ + } while (0) + +#define CX18_ALSA_DEBUG_WARN(fmt, args...) \ + CX18_ALSA_DEBUG(CX18_ALSA_DBGFLG_WARN, "warning", fmt , ## args) + +#define CX18_ALSA_DEBUG_INFO(fmt, args...) \ + CX18_ALSA_DEBUG(CX18_ALSA_DBGFLG_INFO, "info", fmt , ## args) + +#define CX18_ALSA_ERR(fmt, args...) \ + printk(KERN_ERR "%s-alsa: " fmt, v4l2_dev->name , ## args) + +#define CX18_ALSA_WARN(fmt, args...) \ + printk(KERN_WARNING "%s-alsa: " fmt, v4l2_dev->name , ## args) + +#define CX18_ALSA_INFO(fmt, args...) \ + printk(KERN_INFO "%s-alsa: " fmt, v4l2_dev->name , ## args) |