Commit 498ade1a authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
Browse files

[ALSA] aoa - Check value range in ctl callbacks



Check the value ranges in ctl put callbacks properly in aoa drivers.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 02ff1324
Loading
Loading
Loading
Loading
+12 −0
Original line number Diff line number Diff line
@@ -138,6 +138,13 @@ static int onyx_snd_vol_put(struct snd_kcontrol *kcontrol,
	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
	s8 l, r;

	if (ucontrol->value.integer.value[0] < -128 + VOLUME_RANGE_SHIFT ||
	    ucontrol->value.integer.value[0] > -1 + VOLUME_RANGE_SHIFT)
		return -EINVAL;
	if (ucontrol->value.integer.value[1] < -128 + VOLUME_RANGE_SHIFT ||
	    ucontrol->value.integer.value[1] > -1 + VOLUME_RANGE_SHIFT)
		return -EINVAL;

	mutex_lock(&onyx->mutex);
	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_LEFT, &l);
	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_RIGHT, &r);
@@ -206,6 +213,9 @@ static int onyx_snd_inputgain_put(struct snd_kcontrol *kcontrol,
	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
	u8 v, n;

	if (ucontrol->value.integer.value[0] < 3 + INPUTGAIN_RANGE_SHIFT ||
	    ucontrol->value.integer.value[0] > 28 + INPUTGAIN_RANGE_SHIFT)
		return -EINVAL;
	mutex_lock(&onyx->mutex);
	onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &v);
	n = v;
@@ -272,6 +282,8 @@ static void onyx_set_capture_source(struct onyx *onyx, int mic)
static int onyx_snd_capture_source_put(struct snd_kcontrol *kcontrol,
	struct snd_ctl_elem_value *ucontrol)
{
	if (ucontrol->value.enumerated.item[0] > 1)
		return -EINVAL;
	onyx_set_capture_source(snd_kcontrol_chip(kcontrol),
				ucontrol->value.enumerated.item[0]);
	return 1;
+20 −1
Original line number Diff line number Diff line
@@ -248,6 +248,13 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol,
{
	struct tas *tas = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.integer.value[0] < 0 ||
	    ucontrol->value.integer.value[0] > 177)
		return -EINVAL;
	if (ucontrol->value.integer.value[1] < 0 ||
	    ucontrol->value.integer.value[1] > 177)
		return -EINVAL;

	mutex_lock(&tas->mtx);
	if (tas->cached_volume_l == ucontrol->value.integer.value[0]
	 && tas->cached_volume_r == ucontrol->value.integer.value[1]) {
@@ -401,6 +408,10 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol,
{
	struct tas *tas = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.integer.value[0] < 0 ||
	    ucontrol->value.integer.value[0] > TAS3004_DRC_MAX)
		return -EINVAL;

	mutex_lock(&tas->mtx);
	if (tas->drc_range == ucontrol->value.integer.value[0]) {
		mutex_unlock(&tas->mtx);
@@ -447,7 +458,7 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol,
		return 0;
	}

	tas->drc_enabled = ucontrol->value.integer.value[0];
	tas->drc_enabled = !!ucontrol->value.integer.value[0];
	if (tas->hw_enabled)
		tas3004_set_drc(tas);
	mutex_unlock(&tas->mtx);
@@ -494,6 +505,8 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
	struct tas *tas = snd_kcontrol_chip(kcontrol);
	int oldacr;

	if (ucontrol->value.enumerated.item[0] > 1)
		return -EINVAL;
	mutex_lock(&tas->mtx);
	oldacr = tas->acr;

@@ -562,6 +575,9 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol,
{
	struct tas *tas = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.integer.value[0] < TAS3004_TREBLE_MIN ||
	    ucontrol->value.integer.value[0] > TAS3004_TREBLE_MAX)
		return -EINVAL;
	mutex_lock(&tas->mtx);
	if (tas->treble == ucontrol->value.integer.value[0]) {
		mutex_unlock(&tas->mtx);
@@ -610,6 +626,9 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol,
{
	struct tas *tas = snd_kcontrol_chip(kcontrol);

	if (ucontrol->value.integer.value[0] < TAS3004_BASS_MIN ||
	    ucontrol->value.integer.value[0] > TAS3004_BASS_MAX)
		return -EINVAL;
	mutex_lock(&tas->mtx);
	if (tas->bass == ucontrol->value.integer.value[0]) {
		mutex_unlock(&tas->mtx);
+1 −1
Original line number Diff line number Diff line
@@ -600,7 +600,7 @@ static int n##_control_put(struct snd_kcontrol *kcontrol, \
	struct gpio_runtime *gpio = snd_kcontrol_chip(kcontrol);	\
	if (gpio->methods && gpio->methods->get_##n)			\
		gpio->methods->set_##n(gpio,				\
			ucontrol->value.integer.value[0]);		\
			!!ucontrol->value.integer.value[0]);		\
	return 1;							\
}									\
static struct snd_kcontrol_new n##_ctl = {				\