Re: [PATCH 1/2] ASoC: improve the DMI long card code in asoc-core

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On 11/20/19 3:37 AM, Jaroslav Kysela wrote:
Add append_dmi_string() function and make the code more readable.

Signed-off-by: Jaroslav Kysela <perex@xxxxxxxx>
Cc: Mark Brown <broonie@xxxxxxxxxx>
---
  sound/soc/soc-core.c | 66 +++++++++++++++++---------------------------
  1 file changed, 25 insertions(+), 41 deletions(-)

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b4683d4588ee..1d1baf78818c 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1755,6 +1755,23 @@ static int is_dmi_valid(const char *field)
  	return 1;
  }
+/*
+ *
+ */

unneeded comments or missing text?

+static void append_dmi_string(struct snd_soc_card *card, const char *str)
+{
+	char *dst = card->dmi_longname;
+	size_t dst_len = sizeof(card->dmi_longname);
+	size_t len;
+
+	len = strlen(dst);
+	snprintf(dst + len, dst_len - len, "-%s", str);
+
+	len++;	/* skip the separator "-" */
+	if (len < dst_len)
+		cleanup_dmi_name(dst + len);
+}
+
  /**
   * snd_soc_set_dmi_name() - Register DMI names to card
   * @card: The card to register DMI names
@@ -1789,61 +1806,36 @@ static int is_dmi_valid(const char *field)
  int snd_soc_set_dmi_name(struct snd_soc_card *card, const char *flavour)
  {
  	const char *vendor, *product, *product_version, *board;
-	size_t longname_buf_size = sizeof(card->snd_card->longname);
-	size_t len;
if (card->long_name)
  		return 0; /* long name already set by driver or from DMI */
- /* make up dmi long name as: vendor.product.version.board */
+	/* make up dmi long name as: vendor-product-version-board */

here you are just fixing a misleading comment, yes?
I don't see any dots to dashes substitution but better ask.
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