| /** |
| * \file include/conv.h |
| * \brief Application interface library for the ALSA driver |
| * \author Jaroslav Kysela <perex@perex.cz> |
| * \author Abramo Bagnara <abramo@alsa-project.org> |
| * \author Takashi Iwai <tiwai@suse.de> |
| * \date 1998-2001 |
| * |
| * Application interface library for the ALSA driver |
| */ |
| /* |
| * This library is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU Lesser General Public License as |
| * published by the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| */ |
| |
| #ifndef __ALSA_CONV_H |
| #define __ALSA_CONV_H |
| |
| /** |
| * \defgroup BConv Binary Value Conversion |
| * Helper macros to convert binary values to/from a specific byte order. |
| * \{ |
| */ |
| |
| /** Converts a 16-bit value from host to little endian byte order. */ |
| #define snd_host_to_LE_16(val) __cpu_to_le16(val) |
| /** Converts a 16-bit value from little endian to host byte order. */ |
| #define snd_LE_to_host_16(val) __le16_to_cpu(val) |
| /** Converts a 32-bit value from host to little endian byte order. */ |
| #define snd_host_to_LE_32(val) __cpu_to_le32(val) |
| /** Converts a 32-bit value from little endian to host byte order. */ |
| #define snd_LE_to_host_32(val) __le32_to_cpu(val) |
| /** Converts a 16-bit value from host to big endian byte order. */ |
| #define snd_host_to_BE_16(val) __cpu_to_be16(val) |
| /** Converts a 16-bit value from big endian to host byte order. */ |
| #define snd_BE_to_host_16(val) __be16_to_cpu(val) |
| /** Converts a 32-bit value from host to big endian byte order. */ |
| #define snd_host_to_BE_32(val) __cpu_to_be32(val) |
| /** Converts a 32-bit value from big endian to host byte order. */ |
| #define snd_BE_to_host_32(val) __be32_to_cpu(val) |
| |
| /** \} */ |
| |
| #endif /* __ALSA_CONV_H */ |
| |