linux-kernel - [PATCH v4 1/3] ASoC: wm8580: Simplify probe()

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Message-Id: <20230901065952.18760-2-biju.das.jz@bp.renesas.com>
Date:   Fri,  1 Sep 2023 07:59:50 +0100
From:   Biju Das <biju.das.jz@...renesas.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     Biju Das <biju.das.jz@...renesas.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        patches@...nsource.cirrus.com, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, Biju Das <biju.das.au@...il.com>
Subject: [PATCH v4 1/3] ASoC: wm8580: Simplify probe()

Simplify probe() by replacing of_match_device->i2c_get_match_data()
and extend matching support for ID table.

While at it, remove comma in the terminator entry and simplify probe()
by replacing dev_err()->dev_err_probe().

Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
Acked-by: Charles Keepax <ckeepax@...nsource.cirrus.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
v3->v4:
 * No change.
v2->v3:
 * Added Rb tag from Andy.
 * Restored OF table postion and moved in patch#2
v1->v2:
 * Added Ack from Charles Keepax.
 * Removed comma in the terminator entry.
 * Restored original error code -EINVAL
---
 sound/soc/codecs/wm8580.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/sound/soc/codecs/wm8580.c b/sound/soc/codecs/wm8580.c
index 6d22f7d40ec2..826c39ec4a1e 100644
--- a/sound/soc/codecs/wm8580.c
+++ b/sound/soc/codecs/wm8580.c
@@ -997,7 +997,6 @@ MODULE_DEVICE_TABLE(of, wm8580_of_match);
 
 static int wm8580_i2c_probe(struct i2c_client *i2c)
 {
-	const struct of_device_id *of_id;
 	struct wm8580_priv *wm8580;
 	int ret, i;
 
@@ -1022,14 +1021,9 @@ static int wm8580_i2c_probe(struct i2c_client *i2c)
 
 	i2c_set_clientdata(i2c, wm8580);
 
-	of_id = of_match_device(wm8580_of_match, &i2c->dev);
-	if (of_id)
-		wm8580->drvdata = of_id->data;
-
-	if (!wm8580->drvdata) {
-		dev_err(&i2c->dev, "failed to find driver data\n");
-		return -EINVAL;
-	}
+	wm8580->drvdata = i2c_get_match_data(i2c);
+	if (!wm8580->drvdata)
+		return dev_err_probe(&i2c->dev, -EINVAL, "failed to find driver data\n");
 
 	ret = devm_snd_soc_register_component(&i2c->dev,
 			&soc_component_dev_wm8580, wm8580_dai, ARRAY_SIZE(wm8580_dai));
-- 
2.25.1