alsa-devel.alsa-project.org archive mirror
 help / color / mirror / Atom feed
From: Murat Sahin <murat.sahin.zeisberg@googlemail.com>
To: alsa-devel@alsa-project.org
Subject: Problem to init AD1938 on i.MX25
Date: Mon, 23 Aug 2010 16:55:50 +0200	[thread overview]
Message-ID: <4C728BF6.506@googlemail.com> (raw)

  Thanks Sascha for your Informations.
The Problem was solved by adding soc-cache.c and changing the KARO-SPI 
driver with them from Mainline.

The codec is still running, but now we have another problem.
The AD1938 has 8 channels, the driver for i.mx25 supports 2 channels.
How we can solve the Problem?

static int imx_ad1938_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_dai_link *machine = rtd->dai;
     struct snd_soc_dai *cpu_dai = machine->cpu_dai;
     struct snd_soc_dai *codec_dai = machine->codec_dai;
     struct imx_ssi *ssi_mode = cpu_dai->private_data;
     unsigned int channels = params_channels(params);
     u32 dai_format;

     int ret;

        ssi_mode->sync_mode = 1;
     if (channels == 1)
         ssi_mode->network_mode = 0;
     else
         ssi_mode->network_mode = 1;

         dai_format = SND_SOC_DAIFMT_DSP_A |
         SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_CBM_CFM;

     /* set codec DAI configuration */
     ret = snd_soc_dai_set_fmt(codec_dai, dai_format);
     if (ret) {
         pr_err("%s: failed set codec dai format\n", __func__);
     return ret;
     }

     /* set codec DAI slots, 8 channels, all channels are enabled */
     ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xFF, 0xFF, 8, 32);
     if (ret) {
         pr_err("%s: failed set codec dai tdm slot\n", __func__);
     return ret;
     }

BR
Murat Sahin
Zeisberg GmbH

             reply	other threads:[~2010-08-23 14:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-23 14:55 Murat Sahin [this message]
  -- strict thread matches above, loose matches on Subject: below --
2010-08-16  4:51 Problem to init AD1938 on i.MX25 Sven Zeisberg
2010-08-16  7:30 ` Sascha Hauer
2010-08-16  8:39   ` Sven Zeisberg
2010-08-16  8:47     ` Sascha Hauer

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=4C728BF6.506@googlemail.com \
    --to=murat.sahin.zeisberg@googlemail.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=murat.sahin@zeisberg.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).