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Viewing changes to drivers/staging/tm6000/tm6000-alsa.c

  • Committer: Bazaar Package Importer
  • Author(s): Paolo Pisati
  • Date: 2011-06-29 15:23:51 UTC
  • mfrom: (26.1.1 natty-proposed)
  • Revision ID: james.westby@ubuntu.com-20110629152351-xs96tm303d95rpbk
Tags: 3.0.0-1200.2
* Rebased against 3.0.0-6.7
* BSP from TI based on 3.0.0

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Lines of Context:
drivers/staging/tm6000/tm6000-alsa.c
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static int _tm6000_start_audio_dma(struct snd_tm6000_card *chip)
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{
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        struct tm6000_core *core = chip->core;
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        int val;
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        dprintk(1, "Starting audio DMA\n");
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        /* Enables audio */
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        val = tm6000_get_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x0);
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        val |= 0x20;
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        tm6000_set_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val);
 
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        tm6000_set_reg_mask(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x40, 0x40);
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        tm6000_set_audio_bitrate(core, 48000);
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        tm6000_set_reg(core, TM6010_REQ08_R01_A_INIT, 0x80);
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        return 0;
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}
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static int _tm6000_stop_audio_dma(struct snd_tm6000_card *chip)
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{
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        struct tm6000_core *core = chip->core;
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        int val;
 
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        dprintk(1, "Stopping audio DMA\n");
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        /* Enables audio */
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        val = tm6000_get_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x0);
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        val &= ~0x20;
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        tm6000_set_reg(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, val);
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        tm6000_set_reg(core, TM6010_REQ08_R01_A_INIT, 0);
 
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        /* Disables audio */
 
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        tm6000_set_reg_mask(core, TM6010_REQ07_RCC_ACTIVE_VIDEO_IF, 0x00, 0x40);
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        return 0;
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}