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Diffstat (limited to 'sound/soc/codecs/wm8400.c')
-rw-r--r--sound/soc/codecs/wm8400.c34
1 files changed, 28 insertions, 6 deletions
diff --git a/sound/soc/codecs/wm8400.c b/sound/soc/codecs/wm8400.c
index 510efa604008..b9ef4d915221 100644
--- a/sound/soc/codecs/wm8400.c
+++ b/sound/soc/codecs/wm8400.c
@@ -954,7 +954,7 @@ static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
954 factors->outdiv *= 2; 954 factors->outdiv *= 2;
955 if (factors->outdiv > 32) { 955 if (factors->outdiv > 32) {
956 dev_err(wm8400->wm8400->dev, 956 dev_err(wm8400->wm8400->dev,
957 "Unsupported FLL output frequency %dHz\n", 957 "Unsupported FLL output frequency %uHz\n",
958 Fout); 958 Fout);
959 return -EINVAL; 959 return -EINVAL;
960 } 960 }
@@ -1003,7 +1003,7 @@ static int fll_factors(struct wm8400_priv *wm8400, struct fll_factors *factors,
1003 factors->k = K / 10; 1003 factors->k = K / 10;
1004 1004
1005 dev_dbg(wm8400->wm8400->dev, 1005 dev_dbg(wm8400->wm8400->dev,
1006 "FLL: Fref=%d Fout=%d N=%x K=%x, FRATIO=%x OUTDIV=%x\n", 1006 "FLL: Fref=%u Fout=%u N=%x K=%x, FRATIO=%x OUTDIV=%x\n",
1007 Fref, Fout, 1007 Fref, Fout,
1008 factors->n, factors->k, factors->fratio, factors->outdiv); 1008 factors->n, factors->k, factors->fratio, factors->outdiv);
1009 1009
@@ -1022,10 +1022,15 @@ static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1022 if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out) 1022 if (freq_in == wm8400->fll_in && freq_out == wm8400->fll_out)
1023 return 0; 1023 return 0;
1024 1024
1025 if (freq_out != 0) { 1025 if (freq_out) {
1026 ret = fll_factors(wm8400, &factors, freq_in, freq_out); 1026 ret = fll_factors(wm8400, &factors, freq_in, freq_out);
1027 if (ret != 0) 1027 if (ret != 0)
1028 return ret; 1028 return ret;
1029 } else {
1030 /* Bodge GCC 4.4.0 uninitialised variable warning - it
1031 * doesn't seem capable of working out that we exit if
1032 * freq_out is 0 before any of the uses. */
1033 memset(&factors, 0, sizeof(factors));
1029 } 1034 }
1030 1035
1031 wm8400->fll_out = freq_out; 1036 wm8400->fll_out = freq_out;
@@ -1040,7 +1045,7 @@ static int wm8400_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1040 reg &= ~WM8400_FLL_OSC_ENA; 1045 reg &= ~WM8400_FLL_OSC_ENA;
1041 wm8400_write(codec, WM8400_FLL_CONTROL_1, reg); 1046 wm8400_write(codec, WM8400_FLL_CONTROL_1, reg);
1042 1047
1043 if (freq_out == 0) 1048 if (!freq_out)
1044 return 0; 1049 return 0;
1045 1050
1046 reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK); 1051 reg &= ~(WM8400_FLL_REF_FREQ | WM8400_FLL_FRATIO_MASK);
@@ -1473,8 +1478,8 @@ static int wm8400_codec_probe(struct platform_device *dev)
1473 1478
1474 codec = &priv->codec; 1479 codec = &priv->codec;
1475 codec->private_data = priv; 1480 codec->private_data = priv;
1476 codec->control_data = dev->dev.driver_data; 1481 codec->control_data = dev_get_drvdata(&dev->dev);
1477 priv->wm8400 = dev->dev.driver_data; 1482 priv->wm8400 = dev_get_drvdata(&dev->dev);
1478 1483
1479 ret = regulator_bulk_get(priv->wm8400->dev, 1484 ret = regulator_bulk_get(priv->wm8400->dev,
1480 ARRAY_SIZE(power), &power[0]); 1485 ARRAY_SIZE(power), &power[0]);
@@ -1553,6 +1558,21 @@ static int __exit wm8400_codec_remove(struct platform_device *dev)
1553 return 0; 1558 return 0;
1554} 1559}
1555 1560
1561#ifdef CONFIG_PM
1562static int wm8400_pdev_suspend(struct platform_device *pdev, pm_message_t msg)
1563{
1564 return snd_soc_suspend_device(&pdev->dev);
1565}
1566
1567static int wm8400_pdev_resume(struct platform_device *pdev)
1568{
1569 return snd_soc_resume_device(&pdev->dev);
1570}
1571#else
1572#define wm8400_pdev_suspend NULL
1573#define wm8400_pdev_resume NULL
1574#endif
1575
1556static struct platform_driver wm8400_codec_driver = { 1576static struct platform_driver wm8400_codec_driver = {
1557 .driver = { 1577 .driver = {
1558 .name = "wm8400-codec", 1578 .name = "wm8400-codec",
@@ -1560,6 +1580,8 @@ static struct platform_driver wm8400_codec_driver = {
1560 }, 1580 },
1561 .probe = wm8400_codec_probe, 1581 .probe = wm8400_codec_probe,
1562 .remove = __exit_p(wm8400_codec_remove), 1582 .remove = __exit_p(wm8400_codec_remove),
1583 .suspend = wm8400_pdev_suspend,
1584 .resume = wm8400_pdev_resume,
1563}; 1585};
1564 1586
1565static int __init wm8400_codec_init(void) 1587static int __init wm8400_codec_init(void)