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Commit f0e8ed85 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: Ensure we generate a driver name 



Commit 873bd4cb (ASoC: Don't set invalid name string to snd_card->driver
field) broke generation of a driver name for all ASoC cards relying on the
automatic generation of one. Fix this by using the old default with spaces
replaced by underscores.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f93dc4b6

sound/soc/soc-core.c

+15 −3
Original line number Diff line number Diff line
@@ -30,6 +30,7 @@ 
#include <linux/bitops.h>

#include <linux/debugfs.h>

#include <linux/platform_device.h>

#include <linux/ctype.h>

#include <linux/slab.h>

#include <sound/ac97_codec.h>

#include <sound/core.h>
@@ -1434,9 +1435,20 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) 
		 "%s", card->name);

	snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),

		 "%s", card->long_name ? card->long_name : card->name);

	if (card->driver_name)

		strlcpy(card->snd_card->driver, card->driver_name,

			sizeof(card->snd_card->driver));

	snprintf(card->snd_card->driver, sizeof(card->snd_card->driver),

		 "%s", card->driver_name ? card->driver_name : card->name);

	for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {

		switch (card->snd_card->driver[i]) {

		case '_':

		case '-':

		case '\0':

			break;

		default:

			if (!isalnum(card->snd_card->driver[i]))

				card->snd_card->driver[i] = '_';

			break;

		}

	}



	if (card->late_probe) {

		ret = card->late_probe(card);