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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:05:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-26 11:05:17 -0700
commit502012534dd23e4a88aba7e5827b2ca1e1eaa4ca (patch)
tree58f0cfc09f1bcd4ae1689efa805d7d344b5fd5ad /sound/soc/davinci/davinci-sffsdr.c
parent562f477a54478002ddfbb5b85627c009ca41e71d (diff)
parentc441c2971de52b7045acb708cc9959815f554f66 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (430 commits) ALSA: hda - Add quirk for Acer Ferrari 5000 ALSA: hda - Use cached calls to get widget caps and pin caps ALSA: hda - Don't create empty/single-item input source ALSA: hda - Fix the wrong pin-cap check in patch_realtek.c ALSA: hda - Cache pin-cap values ALSA: hda - Avoid output amp manipulation to digital mic pins ALSA: hda - Add function id to proc output ALSA: pcm - Safer boundary checks ALSA: hda - Detect digital-mic inputs on ALC663 / ALC272 ALSA: sound/ali5451: typo: s/resouces/resources/ ALSA: hda - Don't show the current connection for power widgets ALSA: Fix wrong pointer to dev_err() in arm/pxa2xx-ac97-lib.c ASoC: Declare Headset as Mic and Headphone widgets for SDP3430 ASoC: OMAP: N810: Add more jack functions ASoC: OMAP: N810: Mark not connected input pins ASoC: Add FLL support for WM8400 ALSA: hda - Don't reset stream at each prepare callback ALSA: hda - Don't reset BDL unnecessarily ALSA: pcm - Fix delta calculation at boundary overlap ALSA: pcm - Reset invalid position even without debug option ...
Diffstat (limited to 'sound/soc/davinci/davinci-sffsdr.c')
-rw-r--r--sound/soc/davinci/davinci-sffsdr.c43
1 files changed, 30 insertions, 13 deletions
diff --git a/sound/soc/davinci/davinci-sffsdr.c b/sound/soc/davinci/davinci-sffsdr.c
index 4935d1bcbd8d..40eccfe9e358 100644
--- a/sound/soc/davinci/davinci-sffsdr.c
+++ b/sound/soc/davinci/davinci-sffsdr.c
@@ -25,7 +25,9 @@
#include <asm/dma.h>
#include <asm/mach-types.h>
+#ifdef CONFIG_SFFSDR_FPGA
#include <asm/plat-sffsdr/sffsdr-fpga.h>
+#endif
#include <mach/mcbsp.h>
#include <mach/edma.h>
@@ -34,31 +36,45 @@
#include "davinci-pcm.h"
#include "davinci-i2s.h"
+/*
+ * CLKX and CLKR are the inputs for the Sample Rate Generator.
+ * FSX and FSR are outputs, driven by the sample Rate Generator.
+ */
+#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \
+ SND_SOC_DAIFMT_CBM_CFS | \
+ SND_SOC_DAIFMT_IB_NF)
+
static int sffsdr_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
+ struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
int fs;
int ret = 0;
- /* Set cpu DAI configuration:
- * CLKX and CLKR are the inputs for the Sample Rate Generator.
- * FSX and FSR are outputs, driven by the sample Rate Generator. */
- ret = snd_soc_dai_set_fmt(cpu_dai,
- SND_SOC_DAIFMT_RIGHT_J |
- SND_SOC_DAIFMT_CBM_CFS |
- SND_SOC_DAIFMT_IB_NF);
- if (ret < 0)
- return ret;
-
/* Fsref can be 32000, 44100 or 48000. */
fs = params_rate(params);
+#ifndef CONFIG_SFFSDR_FPGA
+ /* Without the FPGA module, the Fs is fixed at 44100 Hz */
+ if (fs != 44100) {
+ pr_debug("warning: only 44.1 kHz is supported without SFFSDR FPGA module\n");
+ return -EINVAL;
+ }
+#endif
+
+ /* set cpu DAI configuration */
+ ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT);
+ if (ret < 0)
+ return ret;
+
pr_debug("sffsdr_hw_params: rate = %d Hz\n", fs);
+#ifndef CONFIG_SFFSDR_FPGA
+ return 0;
+#else
return sffsdr_fpga_set_codec_fs(fs);
+#endif
}
static struct snd_soc_ops sffsdr_ops = {
@@ -127,7 +143,8 @@ static int __init sffsdr_init(void)
platform_set_drvdata(sffsdr_snd_device, &sffsdr_snd_devdata);
sffsdr_snd_devdata.dev = &sffsdr_snd_device->dev;
- sffsdr_snd_device->dev.platform_data = &sffsdr_snd_data;
+ platform_device_add_data(sffsdr_snd_device, &sffsdr_snd_data,
+ sizeof(sffsdr_snd_data));
ret = platform_device_add_resources(sffsdr_snd_device,
sffsdr_snd_resources,