diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /sound/oss/sound_firmware.h | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'sound/oss/sound_firmware.h')
-rw-r--r-- | sound/oss/sound_firmware.h | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/sound/oss/sound_firmware.h b/sound/oss/sound_firmware.h index 0a0cbfdfb..da4c67e00 100644 --- a/sound/oss/sound_firmware.h +++ b/sound/oss/sound_firmware.h @@ -1,2 +1,29 @@ -extern int mod_firmware_load(const char *fn, char **fp); +#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; +} |