diff mbox series

ASoc: amd: Add DMIC switch capability to machine driver

Message ID 20200302082443.51587-1-akshu.agrawal@amd.com (mailing list archive)
State Accepted
Commit 72c3b2b09fcdaa6a63e17e9a715e2a8236af529a
Headers show
Series ASoc: amd: Add DMIC switch capability to machine driver | expand

Commit Message

Akshu Agrawal March 2, 2020, 8:24 a.m. UTC
Switch between DMIC0 and DMIC1 based on recording device selected.
This is done by toggling the dmic select gpio.

Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
---
 sound/soc/amd/acp3x-rt5682-max9836.c | 53 ++++++++++++++++++++++++----
 1 file changed, 47 insertions(+), 6 deletions(-)

Comments

kernel test robot March 2, 2020, 1:59 p.m. UTC | #1
Hi Akshu,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on asoc/for-next]
[also build test WARNING on next-20200228]
[cannot apply to v5.6-rc4]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Akshu-Agrawal/ASoc-amd-Add-DMIC-switch-capability-to-machine-driver/20200302-170007
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
config: i386-allyesconfig (attached as .config)
compiler: gcc-7 (Debian 7.5.0-5) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15:0,
                    from include/sound/core.h:10,
                    from sound/soc//amd/acp3x-rt5682-max9836.c:7:
   sound/soc//amd/acp3x-rt5682-max9836.c: In function 'acp3x_probe':
>> sound/soc//amd/acp3x-rt5682-max9836.c:341:23: warning: format '%d' expects argument of type 'int', but argument 3 has type 'long int' [-Wformat=]
      dev_err(&pdev->dev, "DMIC gpio failed err=%d\n",
                          ^
   include/linux/dev_printk.h:19:22: note: in definition of macro 'dev_fmt'
    #define dev_fmt(fmt) fmt
                         ^~~
>> sound/soc//amd/acp3x-rt5682-max9836.c:341:3: note: in expansion of macro 'dev_err'
      dev_err(&pdev->dev, "DMIC gpio failed err=%d\n",
      ^~~~~~~

vim +/dev_err +341 sound/soc//amd/acp3x-rt5682-max9836.c

   323	
   324	static int acp3x_probe(struct platform_device *pdev)
   325	{
   326		int ret;
   327		struct snd_soc_card *card;
   328		struct acp3x_platform_info *machine;
   329	
   330		machine = devm_kzalloc(&pdev->dev, sizeof(*machine), GFP_KERNEL);
   331		if (!machine)
   332			return -ENOMEM;
   333	
   334		card = &acp3x_card;
   335		acp3x_card.dev = &pdev->dev;
   336		platform_set_drvdata(pdev, card);
   337		snd_soc_card_set_drvdata(card, machine);
   338	
   339		dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
   340		if (IS_ERR(dmic_sel)) {
 > 341			dev_err(&pdev->dev, "DMIC gpio failed err=%d\n",
   342				PTR_ERR(dmic_sel));
   343			return PTR_ERR(dmic_sel);
   344		}
   345	
   346		ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_card);
   347		if (ret) {
   348			dev_err(&pdev->dev,
   349					"devm_snd_soc_register_card(%s) failed: %d\n",
   350					acp3x_card.name, ret);
   351			return ret;
   352		}
   353		return 0;
   354	}
   355	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
diff mbox series

Patch

diff --git a/sound/soc/amd/acp3x-rt5682-max9836.c b/sound/soc/amd/acp3x-rt5682-max9836.c
index 96fbcd29e3ed..511b8b1722aa 100644
--- a/sound/soc/amd/acp3x-rt5682-max9836.c
+++ b/sound/soc/amd/acp3x-rt5682-max9836.c
@@ -12,6 +12,7 @@ 
 #include <sound/jack.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
 #include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/input.h>
@@ -27,6 +28,7 @@ 
 static struct snd_soc_jack pco_jack;
 static struct clk *rt5682_dai_wclk;
 static struct clk *rt5682_dai_bclk;
+static struct gpio_desc *dmic_sel;
 
 static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
 {
@@ -176,7 +178,7 @@  static int acp3x_max_startup(struct snd_pcm_substream *substream)
 	return rt5682_clk_enable(substream);
 }
 
-static int acp3x_ec_startup(struct snd_pcm_substream *substream)
+static int acp3x_ec_dmic0_startup(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
 	struct snd_soc_card *card = rtd->card;
@@ -185,6 +187,23 @@  static int acp3x_ec_startup(struct snd_pcm_substream *substream)
 
 	machine->cap_i2s_instance = I2S_BT_INSTANCE;
 	snd_soc_dai_set_bclk_ratio(codec_dai, 64);
+	if (dmic_sel)
+		gpiod_set_value(dmic_sel, 0);
+
+	return rt5682_clk_enable(substream);
+}
+
+static int acp3x_ec_dmic1_startup(struct snd_pcm_substream *substream)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_card *card = rtd->card;
+	struct snd_soc_dai *codec_dai = rtd->codec_dai;
+	struct acp3x_platform_info *machine = snd_soc_card_get_drvdata(card);
+
+	machine->cap_i2s_instance = I2S_BT_INSTANCE;
+	snd_soc_dai_set_bclk_ratio(codec_dai, 64);
+	if (dmic_sel)
+		gpiod_set_value(dmic_sel, 1);
 
 	return rt5682_clk_enable(substream);
 }
@@ -204,8 +223,13 @@  static const struct snd_soc_ops acp3x_max_play_ops = {
 	.shutdown = rt5682_shutdown,
 };
 
-static const struct snd_soc_ops acp3x_ec_cap_ops = {
-	.startup = acp3x_ec_startup,
+static const struct snd_soc_ops acp3x_ec_cap0_ops = {
+	.startup = acp3x_ec_dmic0_startup,
+	.shutdown = rt5682_shutdown,
+};
+
+static const struct snd_soc_ops acp3x_ec_cap1_ops = {
+	.startup = acp3x_ec_dmic1_startup,
 	.shutdown = rt5682_shutdown,
 };
 
@@ -246,12 +270,21 @@  static struct snd_soc_dai_link acp3x_dai_5682_98357[] = {
 		SND_SOC_DAILINK_REG(acp3x_bt, max, platform),
 	},
 	{
-		.name = "acp3x-ec-capture",
-		.stream_name = "Capture",
+		.name = "acp3x-ec-dmic0-capture",
+		.stream_name = "Capture DMIC0",
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
+				| SND_SOC_DAIFMT_CBS_CFS,
+		.dpcm_capture = 1,
+		.ops = &acp3x_ec_cap0_ops,
+		SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
+	},
+	{
+		.name = "acp3x-ec-dmic1-capture",
+		.stream_name = "Capture DMIC1",
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
 				| SND_SOC_DAIFMT_CBS_CFS,
 		.dpcm_capture = 1,
-		.ops = &acp3x_ec_cap_ops,
+		.ops = &acp3x_ec_cap1_ops,
 		SND_SOC_DAILINK_REG(acp3x_bt, cros_ec, platform),
 	},
 };
@@ -302,6 +335,14 @@  static int acp3x_probe(struct platform_device *pdev)
 	acp3x_card.dev = &pdev->dev;
 	platform_set_drvdata(pdev, card);
 	snd_soc_card_set_drvdata(card, machine);
+
+	dmic_sel = devm_gpiod_get(&pdev->dev, "dmic", GPIOD_OUT_LOW);
+	if (IS_ERR(dmic_sel)) {
+		dev_err(&pdev->dev, "DMIC gpio failed err=%d\n",
+			PTR_ERR(dmic_sel));
+		return PTR_ERR(dmic_sel);
+	}
+
 	ret = devm_snd_soc_register_card(&pdev->dev, &acp3x_card);
 	if (ret) {
 		dev_err(&pdev->dev,