/** * \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 */