diff options
| author | Takashi Iwai <tiwai@suse.de> | 2007-11-15 15:56:07 +0100 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-01-31 17:29:24 +0100 |
| commit | 9cd17cd2409ddbe9853575569cfd97561fa86b14 (patch) | |
| tree | e41f734ccf669f6360fe1155be42e262e44a9552 /sound/pci/ice1712/phase.c | |
| parent | 68ea7b2f2d8c1effd662fded04e9a589cb640da6 (diff) | |
| download | op-kernel-dev-9cd17cd2409ddbe9853575569cfd97561fa86b14.zip op-kernel-dev-9cd17cd2409ddbe9853575569cfd97561fa86b14.tar.gz | |
[ALSA] ice1724 - Check value ranges in ctl callbacks
Check the value ranges in ctl put callbacks properly.
Also fixed the wrong access type to enum elements in aureon.c.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/pci/ice1712/phase.c')
| -rw-r--r-- | sound/pci/ice1712/phase.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/sound/pci/ice1712/phase.c b/sound/pci/ice1712/phase.c index 3ac2505..c81efc2 100644 --- a/sound/pci/ice1712/phase.c +++ b/sound/pci/ice1712/phase.c @@ -326,10 +326,13 @@ static int wm_master_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_ snd_ice1712_save_gpio_status(ice); for (ch = 0; ch < 2; ch++) { - if (ucontrol->value.integer.value[ch] != ice->spec.phase28.master[ch]) { + unsigned int vol = ucontrol->value.integer.value[ch]; + if (vol > WM_VOL_MAX) + continue; + vol |= ice->spec.phase28.master[ch] & WM_VOL_MUTE; + if (vol != ice->spec.phase28.master[ch]) { int dac; - ice->spec.phase28.master[ch] &= WM_VOL_MUTE; - ice->spec.phase28.master[ch] |= ucontrol->value.integer.value[ch]; + ice->spec.phase28.master[ch] = vol; for (dac = 0; dac < ice->num_total_dacs; dac += 2) wm_set_vol(ice, WM_DAC_ATTEN + dac + ch, ice->spec.phase28.vol[dac + ch], @@ -462,10 +465,14 @@ static int wm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value * ofs = kcontrol->private_value & 0xff; snd_ice1712_save_gpio_status(ice); for (i = 0; i < voices; i++) { - idx = WM_DAC_ATTEN + ofs + i; - if (ucontrol->value.integer.value[i] != ice->spec.phase28.vol[ofs+i]) { - ice->spec.phase28.vol[ofs+i] &= WM_VOL_MUTE; - ice->spec.phase28.vol[ofs+i] |= ucontrol->value.integer.value[i]; + unsigned int vol; + vol = ucontrol->value.integer.value[i]; + if (vol > 0x7f) + continue; + vol |= ice->spec.phase28.vol[ofs+i] & WM_VOL_MUTE; + if (vol != ice->spec.phase28.vol[ofs+i]) { + ice->spec.phase28.vol[ofs+i] = vol; + idx = WM_DAC_ATTEN + ofs + i; wm_set_vol(ice, idx, ice->spec.phase28.vol[ofs+i], ice->spec.phase28.master[i]); change = 1; @@ -595,8 +602,10 @@ static int wm_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_val unsigned short ovol, nvol; int change = 0; - snd_ice1712_save_gpio_status(ice); nvol = ucontrol->value.integer.value[0]; + if (nvol > PCM_RES) + return -EINVAL; + snd_ice1712_save_gpio_status(ice); nvol = (nvol ? (nvol + PCM_MIN) : 0) & 0xff; ovol = wm_get(ice, WM_DAC_DIG_MASTER_ATTEN) & 0xff; if (ovol != nvol) { |
