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Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c26
1 files changed, 24 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 502eefac1ec..b9ef4d91522 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)