Re: [PATCH v2 1/5] sound: sam9x5_wm8731: machine driver forat91sam9x5 wm8731 boards

From: Mark Brown
Date: Mon Jul 08 2013 - 15:40:06 EST


On Mon, Jul 08, 2013 at 03:29:49PM +0200, Richard Genoud wrote:

> + * Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
> + *
> + * Based on sam9g20_wm8731.c by:
> + * Sedji Gaouaou <sedji.gaouaou@xxxxxxxxx>

The obvious question here is of course if we can use the same driver for
both of them.

> + codec_dai->driver->playback.rates &= SNDRV_PCM_RATE_8000 |
> + SNDRV_PCM_RATE_32000 |
> + SNDRV_PCM_RATE_48000 |
> + SNDRV_PCM_RATE_96000;
> + codec_dai->driver->capture.rates &= SNDRV_PCM_RATE_8000 |
> + SNDRV_PCM_RATE_32000 |
> + SNDRV_PCM_RATE_48000 |
> + SNDRV_PCM_RATE_96000;

You definitely shouldn't be fiddling with a driver's constant static
data. You want to be using snd_pcm_hw_constraint() APIs to set
additional constraints intead.

Attachment: signature.asc
Description: Digital signature