/* ----------------------------------------------------------------------
* Audio1 Capture (ADC)
* ----------------------------------------------------------------------*/
-static struct snd_pcm_hardware snd_es1938_capture =
+static const struct snd_pcm_hardware snd_es1938_capture =
{
.info = (SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER),
/* -----------------------------------------------------------------------
* Audio2 Playback (DAC)
* -----------------------------------------------------------------------*/
-static struct snd_pcm_hardware snd_es1938_playback =
+static const struct snd_pcm_hardware snd_es1938_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |