diff options
Diffstat (limited to 'sound/soc/codecs/wm8400.c')
| -rw-r--r-- | sound/soc/codecs/wm8400.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c index 502eefac1ecd..b9ef4d915221 100644 --- a/sound/soc/codecs/wm8400.c +++ b/sound/soc/codecs/wm8400.c @@ -1022,10 +1022,15 @@ static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out) return 0; - if (freq_out != 0) { + if (freq_out) { ret = fll_factors(wm8400, &factors, freq_in, freq_out); if (ret != 0) return ret; + } else { + /* Bodge GCC 4.4.0 uninitialised variable warning - it + * doesn't seem capable of working out that we exit if + * freq_out is 0 before any of the uses. */ + memset(&factors, 0, sizeof(factors)); } wm8400->fll_out = freq_out; @@ -1040,7 +1045,7 @@ static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id, reg &= ~WM8400_FLL_OSC_ENA; wm8400_write(codec, WM8400_FLL_CONTROL_1, reg); - if (freq_out == 0) + if (!freq_out) return 0; reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK); @@ -1553,6 +1558,21 @@ static int __exit wm8400_codec_remove(struct platform_device *dev) return 0; } +#ifdef CONFIG_PM +static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg) +{ + return snd_soc_suspend_device(&pdev->dev); +} + +static int wm8400_pdev_resume(struct platform_device *pdev) +{ + return snd_soc_resume_device(&pdev->dev); +} +#else +#define wm8400_pdev_suspend NULL +#define wm8400_pdev_resume NULL +#endif + static struct platform_driver wm8400_codec_driver = { .driver = { .name = "wm8400-codec", @@ -1560,6 +1580,8 @@ static struct platform_driver wm8400_codec_driver = { }, .probe = wm8400_codec_probe, .remove = __exit_p(wm8400_codec_remove), + .suspend = wm8400_pdev_suspend, + .resume = wm8400_pdev_resume, }; static int __init wm8400_codec_init(void) |