Adds native float support to the driver. The interface has hardware
support for CoreAudio[tm], why shouldn't jack users benefit from it.
diff a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
13a14,16
> * Modified 2009-04-14 for native float support by Florian Faber
> * <faber@xxxxxxxxxxx>
> *
39a43
> #include <sound/pcm_params.h>
198a203
> #define HDSPe_FLOAT_FORMAT 0x2000000
3726a3732,3747
>
>
> /* Switch to native float format if requested */
> if (SNDRV_PCM_FORMAT_FLOAT_LE == params_format(params)) {
> if (!(hdspm->control_register & HDSPe_FLOAT_FORMAT)) {
> snd_printk(KERN_INFO "hdspm: Switching to native 32bit LE float
format.\n");
> }
> hdspm->control_register |= HDSPe_FLOAT_FORMAT;
> } else if (SNDRV_PCM_FORMAT_S32_LE == params_format(params)) {
> if (hdspm->control_register & HDSPe_FLOAT_FORMAT) {
> snd_printk(KERN_INFO "hdspm: Switching to native 32bit LE integer
format.\n");
> }
> hdspm->control_register &= ~HDSPe_FLOAT_FORMAT;
> }
> hdspm_write(hdspm, HDSPM_controlRegister, hdspm->control_register);
>
3870c3891
< .formats = SNDRV_PCM_FMTBIT_S32_LE,
---
> .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT_LE,
3895c3916
< .formats = SNDRV_PCM_FMTBIT_S32_LE,
---
> .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_FLOAT_LE,
Flo
--
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