diff options
Diffstat (limited to 'alsa.h')
| -rwxr-xr-x | alsa.h | 41 |
1 files changed, 22 insertions, 19 deletions
@@ -18,34 +18,37 @@ #define PRINT_ERR(errno, errmsg, ...) \ pr_err("[%s()] %s [ERRNO:%d]", __func__, errmsg, ##__VA_ARGS__, errno); -#define CHK_ERR(errno) \ - do { \ - if (errno < 0) \ - return errno; \ +#define CHK_ERR(errno) \ + do { \ + if ((errno) < 0) \ + return (errno); \ } while (0) -#define CHK_ERR_V(errno, errmsg, ...) \ - do { \ - if (errno < 0) { \ - PRINT_ERR(errno, errmsg, ##__VA_ARGS__) \ - return errno; \ - } \ +#define CHK_ERR_V(errno, errmsg, ...) \ + do { \ + if ((errno) < 0) { \ + PRINT_ERR((errno), (errmsg), ##__VA_ARGS__) \ + return (errno); \ + } \ } while (0) #define CHK_NULL(x) \ do { \ - if (!x) \ + if (!(x)) \ return -EFAULT; \ } while (0) -#define CHK_NULL_V(x, errmsg, ...) \ - do { \ - if (!x) { \ - PRINT_ERR(EFAULT, errmsg, ##__VA_ARGS__) \ - return -EFAULT; \ - } \ +#define CHK_NULL_V(x, errmsg, ...) \ + do { \ + if (!(x)) { \ + PRINT_ERR(EFAULT, (errmsg), ##__VA_ARGS__) \ + return -EFAULT; \ + } \ } while (0) +extern struct avirt_coreinfo coreinfo; +extern struct snd_pcm_ops pcm_ops; + /** * avirt_alsa_configure_pcm- Configure the PCM device * @config: Device configuration structure array @@ -54,7 +57,7 @@ * @return: 0 on success or error code otherwise */ int avirt_alsa_configure_pcm(struct avirt_alsa_devconfig *config, int direction, - unsigned numdevices); + unsigned int numdevices); /** * avirt_alsa_register - Registers the ALSA driver @@ -82,7 +85,7 @@ struct avirt_alsa_group *avirt_alsa_get_group(int direction); * pcm_buff_complete_cb - PCM buffer complete callback * @substream: pointer to ALSA PCM substream * @return 0 on success or error code otherwise - * + * * This should be called from a child Audio Path once it has finished processing * the PCM buffer */ |