ASoC: Intel: cht_bsw_rt5645: cosmetic fixes
authorPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Thu, 12 Oct 2017 23:37:59 +0000 (18:37 -0500)
committerMark Brown <broonie@kernel.org>
Wed, 18 Oct 2017 11:30:11 +0000 (12:30 +0100)
Reorder variable names, change MCLK test, change quirks
No functional change

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
sound/soc/intel/boards/cht_bsw_rt5645.c

index d553e2b67c92e319847669c51f1ce7de4201e3f9..6ccb599c10826425bafdcf8fd318749d0f7f30f8 100644 (file)
  */
 
 #include <linux/module.h>
-#include <linux/acpi.h>
 #include <linux/platform_device.h>
+#include <linux/acpi.h>
+#include <linux/clk.h>
 #include <linux/dmi.h>
 #include <linux/slab.h>
 #include <asm/cpu_device_id.h>
 #include <asm/platform_sst_audio.h>
-#include <linux/clk.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
@@ -53,7 +53,7 @@ struct cht_mc_private {
        struct clk *mclk;
 };
 
-#define CHT_RT5645_MAP(quirk)  ((quirk) & 0xff)
+#define CHT_RT5645_MAP(quirk)  ((quirk) & GENMASK(7, 0))
 #define CHT_RT5645_SSP2_AIF2     BIT(16) /* default is using AIF1  */
 #define CHT_RT5645_SSP0_AIF1     BIT(17)
 #define CHT_RT5645_SSP0_AIF2     BIT(18)
@@ -101,13 +101,11 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
        }
 
        if (SND_SOC_DAPM_EVENT_ON(event)) {
-               if (ctx->mclk) {
-                       ret = clk_prepare_enable(ctx->mclk);
-                       if (ret < 0) {
-                               dev_err(card->dev,
-                                       "could not configure MCLK state");
-                               return ret;
-                       }
+               ret = clk_prepare_enable(ctx->mclk);
+               if (ret < 0) {
+                       dev_err(card->dev,
+                               "could not configure MCLK state");
+                       return ret;
                }
        } else {
                /* Set codec sysclk source to its internal clock because codec PLL will
@@ -122,8 +120,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
                        return ret;
                }
 
-               if (ctx->mclk)
-                       clk_disable_unprepare(ctx->mclk);
+               clk_disable_unprepare(ctx->mclk);
        }
 
        return 0;
@@ -258,11 +255,11 @@ static const struct dmi_system_id cht_rt5645_quirk_table[] = {
 
 static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 {
-       int ret;
-       int jack_type;
-       struct snd_soc_codec *codec = runtime->codec;
        struct snd_soc_card *card = runtime->card;
        struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
+       struct snd_soc_codec *codec = runtime->codec;
+       int jack_type;
+       int ret;
 
        if ((cht_rt5645_quirk & CHT_RT5645_SSP2_AIF2) ||
            (cht_rt5645_quirk & CHT_RT5645_SSP0_AIF2)) {
@@ -320,26 +317,26 @@ static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
 
        rt5645_set_jack_detect(codec, &ctx->jack, &ctx->jack, &ctx->jack);
 
-       if (ctx->mclk) {
-               /*
-                * The firmware might enable the clock at
-                * boot (this information may or may not
-                * be reflected in the enable clock register).
-                * To change the rate we must disable the clock
-                * first to cover these cases. Due to common
-                * clock framework restrictions that do not allow
-                * to disable a clock that has not been enabled,
-                * we need to enable the clock first.
-                */
-               ret = clk_prepare_enable(ctx->mclk);
-               if (!ret)
-                       clk_disable_unprepare(ctx->mclk);
 
-               ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
+       /*
+        * The firmware might enable the clock at
+        * boot (this information may or may not
+        * be reflected in the enable clock register).
+        * To change the rate we must disable the clock
+        * first to cover these cases. Due to common
+        * clock framework restrictions that do not allow
+        * to disable a clock that has not been enabled,
+        * we need to enable the clock first.
+        */
+       ret = clk_prepare_enable(ctx->mclk);
+       if (!ret)
+               clk_disable_unprepare(ctx->mclk);
+
+       ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
+
+       if (ret)
+               dev_err(runtime->dev, "unable to set MCLK rate\n");
 
-               if (ret)
-                       dev_err(runtime->dev, "unable to set MCLK rate\n");
-       }
        return ret;
 }
 
@@ -545,15 +542,15 @@ struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
 
 static int snd_cht_mc_probe(struct platform_device *pdev)
 {
-       int ret_val = 0;
-       int i;
-       struct cht_mc_private *drv;
        struct snd_soc_card *card = snd_soc_cards[0].soc_card;
        struct sst_acpi_mach *mach;
+       struct cht_mc_private *drv;
        const char *i2c_name = NULL;
-       int dai_index = 0;
        bool found = false;
        bool is_bytcr = false;
+       int dai_index = 0;
+       int ret_val = 0;
+       int i;
 
        drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_ATOMIC);
        if (!drv)
@@ -590,7 +587,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 
        /* fixup codec name based on HID */
        i2c_name = sst_acpi_find_name_from_hid(mach->id);
-       if (i2c_name != NULL) {
+       if (i2c_name) {
                snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
                        "%s%s", "i2c-", i2c_name);
                cht_dailink[dai_index].codec_name = cht_rt5645_codec_name;