Commit 4b81dad1 authored by Christina Quast's avatar Christina Quast Committed by Takashi Iwai
Browse files

ALSA: doc: my_chip has no element ioport 



chip->ioport is dereferenced in two places, but the struct is
defined as follows:

struct mychip {
	struct snd_card *card;
	struct pci_dev *pci;

	unsigned long port;
	int irq;
};

Signed-off-by: default avatarChristina Quast <cquast@hanoverdisplays.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3a23fd04

Documentation/sound/kernel-api/writing-an-alsa-driver.rst

+2 −2
Original line number Diff line number Diff line
@@ -324,7 +324,7 @@ to details explained in the following section. 
              strcpy(card->driver, "My Chip");

              strcpy(card->shortname, "My Own Chip 123");

              sprintf(card->longname, "%s at 0x%lx irq %i",

                      card->shortname, chip->ioport, chip->irq);

                      card->shortname, chip->port, chip->irq);



              /* (5) */

              .... /* implemented later */
@@ -437,7 +437,7 @@ Since each component can be properly freed, the single 
  strcpy(card->driver, "My Chip");

  strcpy(card->shortname, "My Own Chip 123");

  sprintf(card->longname, "%s at 0x%lx irq %i",

          card->shortname, chip->ioport, chip->irq);

          card->shortname, chip->port, chip->irq);



The driver field holds the minimal ID string of the chip. This is used

by alsa-lib's configurator, so keep it simple but unique. Even the

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