diff options
Diffstat (limited to 'sound/soc/qcom/lpass-ipq806x.c')
| -rw-r--r-- | sound/soc/qcom/lpass-ipq806x.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c index 1987605482f7..b7c05863d612 100644 --- a/sound/soc/qcom/lpass-ipq806x.c +++ b/sound/soc/qcom/lpass-ipq806x.c @@ -55,6 +55,47 @@ static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = { .ops = &asoc_qcom_lpass_cpu_dai_ops, }; +static int ipq806x_lpass_init(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + int ret; + + drvdata->ahbix_clk = devm_clk_get(dev, "ahbix-clk"); + if (IS_ERR(drvdata->ahbix_clk)) { + dev_err(dev, "error getting ahbix-clk: %ld\n", + PTR_ERR(drvdata->ahbix_clk)); + ret = PTR_ERR(drvdata->ahbix_clk); + goto err_ahbix_clk; + } + + ret = clk_set_rate(drvdata->ahbix_clk, LPASS_AHBIX_CLOCK_FREQUENCY); + if (ret) { + dev_err(dev, "error setting rate on ahbix_clk: %d\n", ret); + goto err_ahbix_clk; + } + dev_dbg(dev, "set ahbix_clk rate to %lu\n", + clk_get_rate(drvdata->ahbix_clk)); + + ret = clk_prepare_enable(drvdata->ahbix_clk); + if (ret) { + dev_err(dev, "error enabling ahbix_clk: %d\n", ret); + goto err_ahbix_clk; + } + +err_ahbix_clk: + return ret; +} + +static int ipq806x_lpass_exit(struct platform_device *pdev) +{ + struct lpass_data *drvdata = platform_get_drvdata(pdev); + + clk_disable_unprepare(drvdata->ahbix_clk); + + return 0; +} + static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir) { if (dir == SNDRV_PCM_STREAM_PLAYBACK) @@ -90,6 +131,8 @@ static struct lpass_variant ipq806x_data = { .dai_bit_clk_names = (const char *[]) { "mi2s-bit-clk", }, + .init = ipq806x_lpass_init, + .exit = ipq806x_lpass_exit, .alloc_dma_channel = ipq806x_lpass_alloc_dma_channel, .free_dma_channel = ipq806x_lpass_free_dma_channel, }; |