diff options
| author | Lionel Xu <Lionel.Xu@freescale.com> | 2012-03-02 13:12:26 +0800 |
|---|---|---|
| committer | Lionel Xu <Lionel.Xu@freescale.com> | 2012-03-06 10:53:07 +0800 |
| commit | 5f5a08e4d616beb2aac46ccbb00ee98683c0d4c4 (patch) | |
| tree | 2bbf770da1d0d722005a810de75b23caf3af0540 /sound/soc | |
| parent | 4745ceecbe3c779e596c8267121c957ecc449d60 (diff) | |
ENGR00170526-3 ESAI: Remove the workaround to reset codec before playbacking
Previously in order to avoid audio playback no sound issue, a hardware reset
was made to the codec chip each time when doing playback. now remove this
workaround.
Signed-off-by: Lionel Xu <Lionel.Xu@freescale.com>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/codecs/cs42888.h | 3 | ||||
| -rw-r--r-- | sound/soc/imx/imx-cs42888.c | 12 |
2 files changed, 1 insertions, 14 deletions
diff --git a/sound/soc/codecs/cs42888.h b/sound/soc/codecs/cs42888.h index bea8beb8b70d..b4f3950e8271 100644 --- a/sound/soc/codecs/cs42888.h +++ b/sound/soc/codecs/cs42888.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright (C) 2010-2012 Freescale Semiconductor, Inc. All Rights Reserved. */ /* @@ -19,7 +19,6 @@ * the .codec_dai field of your machine driver's snd_soc_dai_link structure. */ extern struct snd_soc_dai_driver cs42888_dai; -#define CS42888_RST 235 /* * The ASoC codec device structure for the CS42888. Assign this structure diff --git a/sound/soc/imx/imx-cs42888.c b/sound/soc/imx/imx-cs42888.c index 0a78b39839fc..dc46fa676386 100644 --- a/sound/soc/imx/imx-cs42888.c +++ b/sound/soc/imx/imx-cs42888.c @@ -41,7 +41,6 @@ struct imx_priv_state { static struct imx_priv_state hw_state; unsigned int mclk_freq; -int rst_gpio; static int imx_3stack_startup(struct snd_pcm_substream *substream) { @@ -50,15 +49,6 @@ static int imx_3stack_startup(struct snd_pcm_substream *substream) if (!cpu_dai->active) { hw_state.hw = 0; - if (rst_gpio) { - gpio_set_value_cansleep(rst_gpio, 0); - msleep(100); - gpio_set_value_cansleep(rst_gpio, 1); - } else { - gpio_direction_output(CS42888_RST, 0); - msleep(100); - gpio_direction_output(CS42888_RST, 1); - } } return 0; @@ -155,7 +145,6 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream, dai_format = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS; - /* set cpu DAI configuration */ snd_soc_dai_set_fmt(cpu_dai, dai_format); /* set i.MX active slot mask */ @@ -268,7 +257,6 @@ static int __devinit imx_3stack_cs42888_probe(struct platform_device *pdev) return -EINVAL; } mclk_freq = plat_data->sysclk; - rst_gpio = plat_data->rst_gpio; if (plat_data->codec_name) imx_3stack_dai[0].codec_name = plat_data->codec_name; return 0; |