On 25/07/2017 at 09:37, Quentin Schulz wrote:
Since gclk (generated-clk) is now able to determine the rate of the audio_pll, there is no need for classd to have a direct phandle to the audio_pll while already having a phandle to gclk.
Thus, remove all mentions to aclk in classd driver and update macros and variable names.
Signed-off-by: Quentin Schulz quentin.schulz@free-electrons.com Acked-by: Mark Brown broonie@kernel.org
Acked-by: Nicolas Ferre nicolas.ferre@microchip.com
sound/soc/atmel/atmel-classd.c | 47 ++++++++++------------------------- 1 file changed, 14 insertions(+), 33 deletions(-)
diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c index b7ef8c5..be6b775 100644 --- a/sound/soc/atmel/atmel-classd.c +++ b/sound/soc/atmel/atmel-classd.c @@ -32,7 +32,6 @@ struct atmel_classd { struct regmap *regmap; struct clk *pclk; struct clk *gclk;
- struct clk *aclk; int irq; const struct atmel_classd_pdata *pdata;
}; @@ -330,11 +329,6 @@ static int atmel_classd_codec_dai_startup(struct snd_pcm_substream *substream, { struct snd_soc_pcm_runtime *rtd = substream->private_data; struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
int ret;
ret = clk_prepare_enable(dd->aclk);
if (ret)
return ret;return clk_prepare_enable(dd->gclk);
} @@ -357,31 +351,31 @@ static int atmel_classd_codec_dai_digital_mute(struct snd_soc_dai *codec_dai, return 0; }
-#define CLASSD_ACLK_RATE_11M2896_MPY_8 (112896 * 100 * 8) -#define CLASSD_ACLK_RATE_12M288_MPY_8 (12288 * 1000 * 8) +#define CLASSD_GCLK_RATE_11M2896_MPY_8 (112896 * 100 * 8) +#define CLASSD_GCLK_RATE_12M288_MPY_8 (12288 * 1000 * 8)
static struct { int rate; int sample_rate; int dsp_clk;
- unsigned long aclk_rate;
- unsigned long gclk_rate;
} const sample_rates[] = { { 8000, CLASSD_INTPMR_FRAME_8K,
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_ACLK_RATE_12M288_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_GCLK_RATE_12M288_MPY_8 }, { 16000, CLASSD_INTPMR_FRAME_16K,
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_ACLK_RATE_12M288_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_GCLK_RATE_12M288_MPY_8 }, { 32000, CLASSD_INTPMR_FRAME_32K,
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_ACLK_RATE_12M288_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_GCLK_RATE_12M288_MPY_8 }, { 48000, CLASSD_INTPMR_FRAME_48K,
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_ACLK_RATE_12M288_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_GCLK_RATE_12M288_MPY_8 }, { 96000, CLASSD_INTPMR_FRAME_96K,
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_ACLK_RATE_12M288_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_12M288, CLASSD_GCLK_RATE_12M288_MPY_8 }, { 22050, CLASSD_INTPMR_FRAME_22K,
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_ACLK_RATE_11M2896_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_GCLK_RATE_11M2896_MPY_8 }, { 44100, CLASSD_INTPMR_FRAME_44K,
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_ACLK_RATE_11M2896_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_GCLK_RATE_11M2896_MPY_8 }, { 88200, CLASSD_INTPMR_FRAME_88K,
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_ACLK_RATE_11M2896_MPY_8 },
- CLASSD_INTPMR_DSP_CLK_FREQ_11M2896, CLASSD_GCLK_RATE_11M2896_MPY_8 },
};
static int @@ -410,13 +404,12 @@ atmel_classd_codec_dai_hw_params(struct snd_pcm_substream *substream, }
dev_dbg(codec->dev,
"Selected SAMPLE_RATE of %dHz, ACLK_RATE of %ldHz\n",sample_rates[best].rate, sample_rates[best].aclk_rate);
"Selected SAMPLE_RATE of %dHz, GCLK_RATE of %ldHz\n",sample_rates[best].rate, sample_rates[best].gclk_rate);clk_disable_unprepare(dd->gclk);
clk_disable_unprepare(dd->aclk);
ret = clk_set_rate(dd->aclk, sample_rates[best].aclk_rate);
- ret = clk_set_rate(dd->gclk, sample_rates[best].gclk_rate); if (ret) return ret;
@@ -426,10 +419,6 @@ atmel_classd_codec_dai_hw_params(struct snd_pcm_substream *substream,
snd_soc_update_bits(codec, CLASSD_INTPMR, mask, val);
- ret = clk_prepare_enable(dd->aclk);
- if (ret)
return ret;- return clk_prepare_enable(dd->gclk);
}
@@ -441,7 +430,6 @@ atmel_classd_codec_dai_shutdown(struct snd_pcm_substream *substream, struct atmel_classd *dd = snd_soc_card_get_drvdata(rtd->card);
clk_disable_unprepare(dd->gclk);
- clk_disable_unprepare(dd->aclk);
}
static int atmel_classd_codec_dai_prepare(struct snd_pcm_substream *substream, @@ -596,13 +584,6 @@ static int atmel_classd_probe(struct platform_device *pdev) return ret; }
- dd->aclk = devm_clk_get(dev, "aclk");
- if (IS_ERR(dd->aclk)) {
ret = PTR_ERR(dd->aclk);dev_err(dev, "failed to get audio clock: %d\n", ret);return ret;- }
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0); io_base = devm_ioremap_resource(dev, res); if (IS_ERR(io_base)) {