[mirror_ubuntu-bionic-kernel.git] / sound / oss / sound_firmware.h

#include <linux/fs.h>

/**
 *	mod_firmware_load - load sound driver firmware
 *	@fn: filename
 *	@fp: return for the buffer.
 *
 *	Load the firmware for a sound module (up to 128K) into a buffer.
 *	The buffer is returned in *fp. It is allocated with vmalloc so is
 *	virtually linear and not DMAable. The caller should free it with
 *	vfree when finished.
 *
 *	The length of the buffer is returned on a successful load, the
 *	value zero on a failure.
 *
 *	Caution: This API is not recommended. Firmware should be loaded via
 *	request_firmware.
 */
static inline int mod_firmware_load(const char *fn, char **fp)
{
	loff_t size;
	int err;

	err = kernel_read_file_from_path((char *)fn, (void **)fp, &size,
					 131072, READING_FIRMWARE);
	if (err < 0)
		return 0;
	return size;
}
Commit	Line	Data
0984d159	1	#include <linux/fs.h>
1da177e4	2
0984d159 TI	3	/**
	4	* mod_firmware_load - load sound driver firmware
	5	* @fn: filename
	6	* @fp: return for the buffer.
	7	*
	8	* Load the firmware for a sound module (up to 128K) into a buffer.
	9	* The buffer is returned in *fp. It is allocated with vmalloc so is
	10	* virtually linear and not DMAable. The caller should free it with
	11	* vfree when finished.
	12	*
	13	* The length of the buffer is returned on a successful load, the
	14	* value zero on a failure.
	15	*
	16	* Caution: This API is not recommended. Firmware should be loaded via
	17	* request_firmware.
	18	*/
	19	static inline int mod_firmware_load(const char fn, char *fp)
	20	{
	21	loff_t size;
	22	int err;
	23
	24	err = kernel_read_file_from_path((char )fn, (void *)fp, &size,
	25	131072, READING_FIRMWARE);
	26	if (err < 0)
	27	return 0;
	28	return size;
	29	}