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[PATCH 1/2] ASoC: sunxi: Remove useless comments and variable

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  [PATCH 1/2] ASoC: sunxi: Remove useless comments and variable Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-12-01 12:10 +0100
    [PATCH 2/2] ASoC: sun4i-codec: pass through clk_set_rate error Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-12-01 12:10 +0100

#1280762 — [PATCH 1/2] ASoC: sunxi: Remove useless comments and variable

The comment is misleading on how we should support external power amps, and
the variable is not used and generates a warning.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
 sound/soc/sunxi/sun4i-codec.c | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 30c9e9260491..516c7c2b479a 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -109,11 +109,6 @@ struct sun4i_codec {
 
 static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
 {
-	/*
-	 * FIXME: according to the BSP, we might need to drive a PA
-	 *        GPIO high here on some boards
-	 */
-
 	/* Flush TX FIFO */
 	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 			   BIT(SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH),
@@ -127,11 +122,6 @@ static void sun4i_codec_start_playback(struct sun4i_codec *scodec)
 
 static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
 {
-	/*
-	 * FIXME: according to the BSP, we might need to drive a PA
-	 *        GPIO low here on some boards
-	 */
-
 	/* Disable DAC DRQ */
 	regmap_update_bits(scodec->regmap, SUN4I_CODEC_DAC_FIFOC,
 			   BIT(SUN4I_CODEC_DAC_FIFOC_DAC_DRQ_EN),
@@ -140,11 +130,6 @@ static void sun4i_codec_stop_playback(struct sun4i_codec *scodec)
 
 static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
 {
-	/*
-	 * FIXME: according to the BSP, we might need to drive a PA
-	 *        GPIO high here on some boards
-	 */
-
 	/* Enable ADC DRQ */
 	regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
 			   BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN),
@@ -153,11 +138,6 @@ static void sun4i_codec_start_capture(struct sun4i_codec *scodec)
 
 static void sun4i_codec_stop_capture(struct sun4i_codec *scodec)
 {
-	/*
-	 * FIXME: according to the BSP, we might need to drive a PA
-	 *        GPIO low here on some boards
-	 */
-
 	/* Disable ADC DRQ */
 	regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
 			   BIT(SUN4I_CODEC_ADC_FIFOC_ADC_DRQ_EN), 0);
@@ -358,8 +338,6 @@ static int sun4i_codec_hw_params_capture(struct sun4i_codec *scodec,
 					 struct snd_pcm_hw_params *params,
 					 unsigned int hwrate)
 {
-	u32 val;
-
 	/* Set ADC sample rate */
 	regmap_update_bits(scodec->regmap, SUN4I_CODEC_ADC_FIFOC,
 			   7 << SUN4I_CODEC_ADC_FIFOC_ADC_FS,
-- 
2.6.3

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#1280765 — [PATCH 2/2] ASoC: sun4i-codec: pass through clk_set_rate error

Commit 1fb34b48361e ('ASoC: sun4i: Implement MIC1 capture') added back some
code that disregards the clk_set_rate error code and always returns
-EINVAL. Fix that and return the code in order to have more clue about
what's going on.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
---
 sound/soc/sunxi/sun4i-codec.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c
index 516c7c2b479a..0dc11f547937 100644
--- a/sound/soc/sunxi/sun4i-codec.c
+++ b/sound/soc/sunxi/sun4i-codec.c
@@ -411,14 +411,15 @@ static int sun4i_codec_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct sun4i_codec *scodec = snd_soc_card_get_drvdata(rtd->card);
 	unsigned long clk_freq;
-	int hwrate;
+	int ret, hwrate;
 
 	clk_freq = sun4i_codec_get_mod_freq(params);
 	if (!clk_freq)
 		return -EINVAL;
 
-	if (clk_set_rate(scodec->clk_module, clk_freq))
-		return -EINVAL;
+	ret = clk_set_rate(scodec->clk_module, clk_freq);
+	if (ret)
+		return ret;
 
 	hwrate = sun4i_codec_get_hw_rate(params);
 	if (hwrate < 0)
-- 
2.6.3

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