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[PATCH] Input: convert sound/ppc/beep to dynamic input_dev allocation

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Input: convert sound/ppc/beep to dynamic input_dev allocation

This is required for input_dev sysfs integration

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov 2005-09-15 02:01:49 -05:00 • committed by Greg Kroah-Hartman
parent 34abf91f40
commit 5ebdcbc2fc
1 changed files with 37 additions and 29 deletions
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66
sound/ppc/beep.c
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@ -31,14 +31,14 @@
#include "pmac.h" #include "pmac.h"
struct snd_pmac_beep { struct snd_pmac_beep {
int running; /* boolean */ int running; /* boolean */
int volume; /* mixer volume: 0-100 */ int volume; /* mixer volume: 0-100 */
int volume_play; /* currently playing volume */ int volume_play; /* currently playing volume */
int hz; int hz;
int nsamples; int nsamples;
short *buf; /* allocated wave buffer */ short *buf; /* allocated wave buffer */
dma_addr_t addr; /* physical address of buffer */ dma_addr_t addr; /* physical address of buffer */
struct input_dev dev; struct input_dev *dev;
}; };
/* /*
@ -212,47 +212,55 @@ static snd_kcontrol_new_t snd_pmac_beep_mixer = {
int __init snd_pmac_attach_beep(pmac_t *chip) int __init snd_pmac_attach_beep(pmac_t *chip)
{ {
pmac_beep_t *beep; pmac_beep_t *beep;
int err; struct input_dev *input_dev;
void *dmabuf;
int err = -ENOMEM;
beep = kmalloc(sizeof(*beep), GFP_KERNEL); beep = kzalloc(sizeof(*beep), GFP_KERNEL);
if (! beep) dmabuf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,
return -ENOMEM; &beep->addr, GFP_KERNEL);
input_dev = input_allocate_device();
memset(beep, 0, sizeof(*beep)); if (!beep || !dmabuf || !input_dev)
beep->buf = dma_alloc_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, goto fail;
&beep->addr, GFP_KERNEL);
beep->dev.evbit[0] = BIT(EV_SND);
beep->dev.sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
beep->dev.event = snd_pmac_beep_event;
beep->dev.private = chip;
/* FIXME: set more better values */ /* FIXME: set more better values */
beep->dev.name = "PowerMac Beep"; input_dev->name = "PowerMac Beep";
beep->dev.phys = "powermac/beep"; input_dev->phys = "powermac/beep";
beep->dev.id.bustype = BUS_ADB; input_dev->id.bustype = BUS_ADB;
beep->dev.id.vendor = 0x001f; input_dev->id.vendor = 0x001f;
beep->dev.id.product = 0x0001; input_dev->id.product = 0x0001;
beep->dev.id.version = 0x0100; input_dev->id.version = 0x0100;
input_dev->evbit[0] = BIT(EV_SND);
input_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE);
input_dev->event = snd_pmac_beep_event;
input_dev->private = chip;
input_dev->cdev.dev = &chip->pdev->dev;
beep->dev = input_dev;
beep->buf = dmabuf;
beep->volume = BEEP_VOLUME; beep->volume = BEEP_VOLUME;
beep->running = 0; beep->running = 0;
if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip))) < 0) {
kfree(beep->buf); err = snd_ctl_add(chip->card, snd_ctl_new1(&snd_pmac_beep_mixer, chip));
kfree(beep); if (err < 0)
return err; goto fail;
}
chip->beep = beep; chip->beep = beep;
input_register_device(&beep->dev); input_register_device(beep->dev);
return 0; return 0;
fail: input_free_device(input_dev);
kfree(dmabuf);
kfree(beep);
return err;
} }
void snd_pmac_detach_beep(pmac_t *chip) void snd_pmac_detach_beep(pmac_t *chip)
{ {
if (chip->beep) { if (chip->beep) {
input_unregister_device(&chip->beep->dev); input_unregister_device(chip->beep->dev);
dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4, dma_free_coherent(&chip->pdev->dev, BEEP_BUFLEN * 4,
chip->beep->buf, chip->beep->addr); chip->beep->buf, chip->beep->addr);
kfree(chip->beep); kfree(chip->beep);