[ALSA] emu10k1: Add mixer controls parameter checking.
Signed-off-by: James Courtier-Dutton <James@superbug.co.uk> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
James Courtier-Dutton
Mercurial server
Родитель
4df20535ec
Коммит
74415a3676
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@ -58,6 +58,9 @@ static int snd_emu10k1_spdif_get(struct snd_kcontrol *kcontrol,
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unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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unsigned long flags;
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/* Limit: emu->spdif_bits */
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if (idx >= 3)
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return -EINVAL;
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spin_lock_irqsave(&emu->reg_lock, flags);
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ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff;
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ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff;
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@ -272,9 +275,12 @@ static int snd_emu1010_output_source_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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int channel;
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unsigned int channel;
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channel = (kcontrol->private_value) & 0xff;
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/* Limit: emu1010_output_dst, emu->emu1010.output_source */
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if (channel >= 24)
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return -EINVAL;
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ucontrol->value.enumerated.item[0] = emu->emu1010.output_source[channel];
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return 0;
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}
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@ -285,9 +291,12 @@ static int snd_emu1010_output_source_put(struct snd_kcontrol *kcontrol,
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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int change = 0;
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unsigned int val;
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int channel;
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unsigned int channel;
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channel = (kcontrol->private_value) & 0xff;
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/* Limit: emu1010_output_dst, emu->emu1010.output_source */
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if (channel >= 24)
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return -EINVAL;
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if (emu->emu1010.output_source[channel] != ucontrol->value.enumerated.item[0]) {
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val = emu->emu1010.output_source[channel] = ucontrol->value.enumerated.item[0];
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change = 1;
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@ -301,9 +310,12 @@ static int snd_emu1010_input_source_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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int channel;
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unsigned int channel;
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channel = (kcontrol->private_value) & 0xff;
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/* Limit: emu1010_input_dst, emu->emu1010.input_source */
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if (channel >= 22)
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return -EINVAL;
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ucontrol->value.enumerated.item[0] = emu->emu1010.input_source[channel];
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return 0;
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}
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@ -314,9 +326,12 @@ static int snd_emu1010_input_source_put(struct snd_kcontrol *kcontrol,
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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int change = 0;
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unsigned int val;
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int channel;
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unsigned int channel;
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channel = (kcontrol->private_value) & 0xff;
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/* Limit: emu1010_input_dst, emu->emu1010.input_source */
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if (channel >= 22)
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return -EINVAL;
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if (emu->emu1010.input_source[channel] != ucontrol->value.enumerated.item[0]) {
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val = emu->emu1010.input_source[channel] = ucontrol->value.enumerated.item[0];
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change = 1;
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@ -533,6 +548,9 @@ static int snd_emu1010_internal_clock_put(struct snd_kcontrol *kcontrol,
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int change = 0;
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val = ucontrol->value.enumerated.item[0] ;
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/* Limit: uinfo->value.enumerated.items = 4; */
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if (val >= 4)
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return -EINVAL;
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change = (emu->emu1010.internal_clock != val);
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if (change) {
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emu->emu1010.internal_clock = val;
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@ -669,7 +687,11 @@ static int snd_audigy_i2c_capture_source_put(struct snd_kcontrol *kcontrol,
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* update the capture volume from the cached value
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* for the particular source.
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*/
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source_id = ucontrol->value.enumerated.item[0]; /* Use 2 and 3 */
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source_id = ucontrol->value.enumerated.item[0];
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/* Limit: uinfo->value.enumerated.items = 2; */
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/* emu->i2c_capture_volume */
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if (source_id >= 2)
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return -EINVAL;
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change = (emu->i2c_capture_source != source_id);
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if (change) {
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snd_emu10k1_i2c_write(emu, ADC_MUX, 0); /* Mute input */
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@ -720,9 +742,13 @@ static int snd_audigy_i2c_volume_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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int source_id;
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unsigned int source_id;
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source_id = kcontrol->private_value;
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/* Limit: emu->i2c_capture_volume */
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/* capture_source: uinfo->value.enumerated.items = 2 */
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if (source_id >= 2)
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return -EINVAL;
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ucontrol->value.integer.value[0] = emu->i2c_capture_volume[source_id][0];
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ucontrol->value.integer.value[1] = emu->i2c_capture_volume[source_id][1];
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@ -735,10 +761,14 @@ static int snd_audigy_i2c_volume_put(struct snd_kcontrol *kcontrol,
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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unsigned int ogain;
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unsigned int ngain;
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int source_id;
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unsigned int source_id;
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int change = 0;
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source_id = kcontrol->private_value;
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/* Limit: emu->i2c_capture_volume */
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/* capture_source: uinfo->value.enumerated.items = 2 */
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if (source_id >= 2)
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return -EINVAL;
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ogain = emu->i2c_capture_volume[source_id][0]; /* Left */
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ngain = ucontrol->value.integer.value[0];
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if (ngain > 0xff)
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@ -746,7 +776,7 @@ static int snd_audigy_i2c_volume_put(struct snd_kcontrol *kcontrol,
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if (ogain != ngain) {
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if (emu->i2c_capture_source == source_id)
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snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCL, ((ngain) & 0xff) );
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emu->i2c_capture_volume[source_id][0] = ucontrol->value.integer.value[0];
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emu->i2c_capture_volume[source_id][0] = ngain;
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change = 1;
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}
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ogain = emu->i2c_capture_volume[source_id][1]; /* Right */
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@ -756,7 +786,7 @@ static int snd_audigy_i2c_volume_put(struct snd_kcontrol *kcontrol,
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if (ogain != ngain) {
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if (emu->i2c_capture_source == source_id)
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snd_emu10k1_i2c_write(emu, ADC_ATTEN_ADCR, ((ngain) & 0xff));
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emu->i2c_capture_volume[source_id][1] = ucontrol->value.integer.value[1];
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emu->i2c_capture_volume[source_id][1] = ngain;
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change = 1;
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}
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@ -877,6 +907,9 @@ static int snd_emu10k1_spdif_put(struct snd_kcontrol *kcontrol,
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unsigned int val;
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unsigned long flags;
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/* Limit: emu->spdif_bits */
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if (idx >= 3)
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return -EINVAL;
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val = (ucontrol->value.iec958.status[0] << 0) |
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(ucontrol->value.iec958.status[1] << 8) |
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(ucontrol->value.iec958.status[2] << 16) |
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@ -1050,6 +1083,7 @@ static int snd_emu10k1_send_volume_put(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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int change = 0, idx, val;
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@ -1102,6 +1136,7 @@ static int snd_emu10k1_attn_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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unsigned long flags;
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@ -1119,6 +1154,7 @@ static int snd_emu10k1_attn_put(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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int change = 0, idx, val;
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@ -1171,6 +1207,7 @@ static int snd_emu10k1_efx_send_routing_get(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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int idx;
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@ -1190,6 +1227,7 @@ static int snd_emu10k1_efx_send_routing_put(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
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int change = 0, idx, val;
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@ -1241,6 +1279,7 @@ static int snd_emu10k1_efx_send_volume_get(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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int idx;
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@ -1258,6 +1297,7 @@ static int snd_emu10k1_efx_send_volume_put(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
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int change = 0, idx, val;
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@ -1306,6 +1346,7 @@ static int snd_emu10k1_efx_attn_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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struct snd_emu10k1_pcm_mixer *mix =
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&emu->efx_pcm_mixer[snd_ctl_get_ioffidx(kcontrol, &ucontrol->id)];
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unsigned long flags;
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@ -1321,6 +1362,7 @@ static int snd_emu10k1_efx_attn_put(struct snd_kcontrol *kcontrol,
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{
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unsigned long flags;
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struct snd_emu10k1 *emu = snd_kcontrol_chip(kcontrol);
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/* FIXME: Check limits */
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int ch = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
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struct snd_emu10k1_pcm_mixer *mix = &emu->efx_pcm_mixer[ch];
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int change = 0, val;
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