This patch updates the Sharp poodle machine driver to the new API in
ASoC 0.13.
Changes:-
o Manually configure DAI hardware format.
o Removed config_sysclk() function. No longer needed as clocking is now
configured manually.
Signed-off-by: Liam Girdwood <lg@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Privacy & Confidentiality Notice
-------------------------------------------------
This message and any attachments contain privileged and confidential information that is intended solely for the person(s) to whom it is addressed. If you are not an intended recipient you must not: read; copy; distribute; discuss; take any action in or make any reliance upon the contents of this message; nor open or read any attachment. If you have received this message in error, please notify us as soon as possible on the following telephone number and destroy this message including any attachments. Thank you.
-------------------------------------------------
Wolfson Microelectronics plc
Tel: +44 (0)131 272 7000
Fax: +44 (0)131 272 7001
Web: www.wolfsonmicro.com
Registered in Scotland
Company number SC089839
Registered office:
Westfield House, 26 Westfield Road, Edinburgh, EH11 2QB, UK
diff -r fc216dd0eb92 soc/pxa/poodle.c
--- a/soc/pxa/poodle.c Thu Feb 01 16:52:06 2007 +0100
+++ b/soc/pxa/poodle.c Thu Feb 01 17:53:15 2007 +0000
@@ -34,6 +34,7 @@
#include "../codecs/wm8731.h"
#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
#define POODLE_HP 1
#define POODLE_HP_OFF 0
@@ -100,8 +101,59 @@ static int poodle_shutdown(struct snd_pc
return 0;
}
+static int poodle_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+ unsigned int clk = 0;
+ int ret = 0;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ clk = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ clk = 11289600;
+ break;
+ }
+
+ /* set codec DAI configuration */
+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set cpu DAI configuration */
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set the codec system clock for DAC and ADC */
+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* set the I2S system clock as input (unused) */
+ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
static struct snd_soc_ops poodle_ops = {
.startup = poodle_startup,
+ .hw_params = poodle_hw_params,
.shutdown = poodle_shutdown,
};
@@ -223,34 +275,6 @@ static int poodle_wm8731_init(struct snd
snd_soc_dapm_sync_endpoints(codec);
return 0;
-}
-
-static unsigned int poodle_config_sysclk(struct snd_soc_pcm_runtime *rtd,
- struct snd_soc_clock_info *info)
-{
- if (info->bclk_master & SND_SOC_DAIFMT_CBS_CFS) {
- /* pxa2xx is i2s master */
- switch (info->rate) {
- case 44100:
- case 88200:
- /* configure codec digital filters for 44.1, 88.2 */
- rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
- 11289600);
- break;
- default:
- /* configure codec digital filters for all other rates */
- rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
- POODLE_AUDIO_CLOCK);
- break;
- }
- return rtd->cpu_dai->config_sysclk(rtd->cpu_dai, info,
- POODLE_AUDIO_CLOCK);
- } else {
- /* codec is i2s master -
- * only configure codec DAI clock and filters */
- return rtd->codec_dai->config_sysclk(rtd->codec_dai, info,
- POODLE_AUDIO_CLOCK);
- }
}
/* poodle digital audio interface glue - connects codec <--> CPU */
@@ -260,7 +284,7 @@ static struct snd_soc_dai_link poodle_da
.cpu_dai = &pxa_i2s_dai,
.codec_dai = &wm8731_dai,
.init = poodle_wm8731_init,
- .config_sysclk = poodle_config_sysclk,
+ .ops = &poodle_ops,
};
/* poodle audio machine driver */
@@ -268,7 +292,6 @@ static struct snd_soc_machine snd_soc_ma
.name = "Poodle",
.dai_link = &poodle_dai,
.num_links = 1,
- .ops = &poodle_ops,
};
/* poodle audio private data */
-------------------------------------------------------------------------
Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier.
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/alsa-devel
