diff options
Diffstat (limited to 'sound/soc/imx/imx-cs42888.c')
| -rw-r--r-- | sound/soc/imx/imx-cs42888.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/sound/soc/imx/imx-cs42888.c b/sound/soc/imx/imx-cs42888.c index 4c9ca9857464..71d519e676e4 100644 --- a/sound/soc/imx/imx-cs42888.c +++ b/sound/soc/imx/imx-cs42888.c @@ -40,6 +40,7 @@ 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) { @@ -48,9 +49,15 @@ static int imx_3stack_startup(struct snd_pcm_substream *substream) if (!cpu_dai->active) { hw_state.hw = 0; - gpio_direction_output(CS42888_RST, 0); - msleep(100); - gpio_direction_output(CS42888_RST, 1); + if (rst_gpio) { + gpio_direction_output(rst_gpio, 0); + msleep(100); + gpio_direction_output(rst_gpio, 1); + } else { + gpio_direction_output(CS42888_RST, 0); + msleep(100); + gpio_direction_output(CS42888_RST, 1); + } } return 0; @@ -254,7 +261,13 @@ static struct snd_soc_card snd_soc_card_imx_3stack = { static int __devinit imx_3stack_cs42888_probe(struct platform_device *pdev) { struct mxc_audio_platform_data *plat_data = pdev->dev.platform_data; + + if (!plat_data) { + dev_err(&pdev->dev, "plat_data is missing\n"); + return -EINVAL; + } mclk_freq = plat_data->sysclk; + rst_gpio = plat_data->rst_gpio; return 0; } |