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authorTakashi Iwai <tiwai@suse.de>2007-11-15 15:56:47 +0100
committerJaroslav Kysela <perex@perex.cz>2008-01-31 17:29:24 +0100
commitab2dac2bdcf562dd616bd1fadddf5078ae7c3d83 (patch)
tree2f25d84c65b2b11099a61d52124fc4d040fab36d /sound
parent9cd17cd2409ddbe9853575569cfd97561fa86b14 (diff)
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[ALSA] mixart - Check value range in ctl callbacks
Check the value ranges in ctl put callbacks properly. Also fixed some coding style issues around that. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/mixart/mixart_mixer.c124
1 files changed, 83 insertions, 41 deletions
diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c
index 0e16512d25f..5b3c224732a 100644
--- a/sound/pci/mixart/mixart_mixer.c
+++ b/sound/pci/mixart/mixart_mixer.c
@@ -376,15 +376,27 @@ static int mixart_analog_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
mutex_lock(&chip->mgr->mixer_mutex);
is_capture = (kcontrol->private_value != 0);
- for(i=0; i<2; i++) {
- int new_volume = ucontrol->value.integer.value[i];
- int* stored_volume = is_capture ? &chip->analog_capture_volume[i] : &chip->analog_playback_volume[i];
- if(*stored_volume != new_volume) {
+ for (i = 0; i < 2; i++) {
+ int new_volume = ucontrol->value.integer.value[i];
+ int *stored_volume = is_capture ?
+ &chip->analog_capture_volume[i] :
+ &chip->analog_playback_volume[i];
+ if (is_capture) {
+ if (new_volume < MIXART_ANALOG_CAPTURE_LEVEL_MIN ||
+ new_volume > MIXART_ANALOG_CAPTURE_LEVEL_MAX)
+ continue;
+ } else {
+ if (new_volume < MIXART_ANALOG_PLAYBACK_LEVEL_MIN ||
+ new_volume > MIXART_ANALOG_PLAYBACK_LEVEL_MAX)
+ continue;
+ }
+ if (*stored_volume != new_volume) {
*stored_volume = new_volume;
changed = 1;
}
}
- if(changed) mixart_update_analog_audio_level(chip, is_capture);
+ if (changed)
+ mixart_update_analog_audio_level(chip, is_capture);
mutex_unlock(&chip->mgr->mixer_mutex);
return changed;
}
@@ -421,13 +433,16 @@ static int mixart_audio_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
struct snd_mixart *chip = snd_kcontrol_chip(kcontrol);
int i, changed = 0;
mutex_lock(&chip->mgr->mixer_mutex);
- for(i=0; i<2; i++) {
- if(chip->analog_playback_active[i] != ucontrol->value.integer.value[i]) {
- chip->analog_playback_active[i] = ucontrol->value.integer.value[i];
+ for (i = 0; i < 2; i++) {
+ if (chip->analog_playback_active[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->analog_playback_active[i] =
+ !!ucontrol->value.integer.value[i];
changed = 1;
}
}
- if(changed) mixart_update_analog_audio_level(chip, 0); /* update playback levels */
+ if (changed) /* update playback levels */
+ mixart_update_analog_audio_level(chip, 0);
mutex_unlock(&chip->mgr->mixer_mutex);
return changed;
}
@@ -843,23 +858,33 @@ static int mixart_pcm_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
int* stored_volume;
int i;
mutex_lock(&chip->mgr->mixer_mutex);
- if(is_capture) {
- if(is_aes) stored_volume = chip->digital_capture_volume[1]; /* AES capture */
- else stored_volume = chip->digital_capture_volume[0]; /* analog capture */
+ if (is_capture) {
+ if (is_aes) /* AES capture */
+ stored_volume = chip->digital_capture_volume[1];
+ else /* analog capture */
+ stored_volume = chip->digital_capture_volume[0];
} else {
snd_assert ( idx < MIXART_PLAYBACK_STREAMS );
- if(is_aes) stored_volume = chip->digital_playback_volume[MIXART_PLAYBACK_STREAMS + idx]; /* AES playback */
- else stored_volume = chip->digital_playback_volume[idx]; /* analog playback */
+ if (is_aes) /* AES playback */
+ stored_volume = chip->digital_playback_volume[MIXART_PLAYBACK_STREAMS + idx];
+ else /* analog playback */
+ stored_volume = chip->digital_playback_volume[idx];
}
- for(i=0; i<2; i++) {
- if(stored_volume[i] != ucontrol->value.integer.value[i]) {
- stored_volume[i] = ucontrol->value.integer.value[i];
+ for (i = 0; i < 2; i++) {
+ int vol = ucontrol->value.integer.value[i];
+ if (vol < MIXART_DIGITAL_LEVEL_MIN ||
+ vol > MIXART_DIGITAL_LEVEL_MAX)
+ continue;
+ if (stored_volume[i] != vol) {
+ stored_volume[i] = vol;
changed = 1;
}
}
- if(changed) {
- if(is_capture) mixart_update_capture_stream_level(chip, is_aes);
- else mixart_update_playback_stream_level(chip, is_aes, idx);
+ if (changed) {
+ if (is_capture)
+ mixart_update_capture_stream_level(chip, is_aes);
+ else
+ mixart_update_playback_stream_level(chip, is_aes, idx);
}
mutex_unlock(&chip->mgr->mixer_mutex);
return changed;
@@ -905,14 +930,18 @@ static int mixart_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
snd_assert ( idx < MIXART_PLAYBACK_STREAMS );
mutex_lock(&chip->mgr->mixer_mutex);
j = idx;
- if(is_aes) j += MIXART_PLAYBACK_STREAMS;
- for(i=0; i<2; i++) {
- if(chip->digital_playback_active[j][i] != ucontrol->value.integer.value[i]) {
- chip->digital_playback_active[j][i] = ucontrol->value.integer.value[i];
+ if (is_aes)
+ j += MIXART_PLAYBACK_STREAMS;
+ for (i = 0; i < 2; i++) {
+ if (chip->digital_playback_active[j][i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->digital_playback_active[j][i] =
+ !!ucontrol->value.integer.value[i];
changed = 1;
}
}
- if(changed) mixart_update_playback_stream_level(chip, is_aes, idx);
+ if (changed)
+ mixart_update_playback_stream_level(chip, is_aes, idx);
mutex_unlock(&chip->mgr->mixer_mutex);
return changed;
}
@@ -975,9 +1004,11 @@ static int mixart_monitor_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_
int changed = 0;
int i;
mutex_lock(&chip->mgr->mixer_mutex);
- for(i=0; i<2; i++) {
- if(chip->monitoring_volume[i] != ucontrol->value.integer.value[i]) {
- chip->monitoring_volume[i] = ucontrol->value.integer.value[i];
+ for (i = 0; i < 2; i++) {
+ if (chip->monitoring_volume[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->monitoring_volume[i] =
+ !!ucontrol->value.integer.value[i];
mixart_update_monitoring(chip, i);
changed = 1;
}
@@ -1017,24 +1048,35 @@ static int mixart_monitor_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_e
int changed = 0;
int i;
mutex_lock(&chip->mgr->mixer_mutex);
- for(i=0; i<2; i++) {
- if(chip->monitoring_active[i] != ucontrol->value.integer.value[i]) {
- chip->monitoring_active[i] = ucontrol->value.integer.value[i];
+ for (i = 0; i < 2; i++) {
+ if (chip->monitoring_active[i] !=
+ ucontrol->value.integer.value[i]) {
+ chip->monitoring_active[i] =
+ !!ucontrol->value.integer.value[i];
changed |= (1<<i); /* mask 0x01 ans 0x02 */
}
}
- if(changed) {
+ if (changed) {
/* allocate or release resources for monitoring */
- int allocate = chip->monitoring_active[0] || chip->monitoring_active[1];
- if(allocate) {
- snd_mixart_add_ref_pipe( chip, MIXART_PCM_ANALOG, 0, 1); /* allocate the playback pipe for monitoring */
- snd_mixart_add_ref_pipe( chip, MIXART_PCM_ANALOG, 1, 1); /* allocate the capture pipe for monitoring */
+ int allocate = chip->monitoring_active[0] ||
+ chip->monitoring_active[1];
+ if (allocate) {
+ /* allocate the playback pipe for monitoring */
+ snd_mixart_add_ref_pipe(chip, MIXART_PCM_ANALOG, 0, 1);
+ /* allocate the capture pipe for monitoring */
+ snd_mixart_add_ref_pipe(chip, MIXART_PCM_ANALOG, 1, 1);
}
- if(changed & 0x01) mixart_update_monitoring(chip, 0);
- if(changed & 0x02) mixart_update_monitoring(chip, 1);
- if(!allocate) {
- snd_mixart_kill_ref_pipe( chip->mgr, &chip->pipe_in_ana, 1); /* release the capture pipe for monitoring */
- snd_mixart_kill_ref_pipe( chip->mgr, &chip->pipe_out_ana, 1); /* release the playback pipe for monitoring */
+ if (changed & 0x01)
+ mixart_update_monitoring(chip, 0);
+ if (changed & 0x02)
+ mixart_update_monitoring(chip, 1);
+ if (!allocate) {
+ /* release the capture pipe for monitoring */
+ snd_mixart_kill_ref_pipe(chip->mgr,
+ &chip->pipe_in_ana, 1);
+ /* release the playback pipe for monitoring */
+ snd_mixart_kill_ref_pipe(chip->mgr,
+ &chip->pipe_out_ana, 1);
}
}