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authorTakashi Iwai <tiwai@suse.de>2017-05-12 10:02:08 +0200
committerTakashi Iwai <tiwai@suse.de>2017-05-15 11:21:05 +0200
commit5f976f58917eafbd8f725b9b7c0efcf6937e0e83 (patch)
tree90b92404da674fb2a6365a0a71e34914781f0b25 /sound/pci/vx222/vx222_ops.c
parentALSA: us122l: enable compile testing (diff)
downloadlinux-5f976f58917eafbd8f725b9b7c0efcf6937e0e83.tar.xz
linux-5f976f58917eafbd8f725b9b7c0efcf6937e0e83.zip
ALSA: vx222: Use container_of()
The vx222 driver is using the explicit cast from the parent class pointer, but it'll be broken when the structure field randomization is applied. Use container_of() in a modern manner, instead. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
-rw-r--r--sound/pci/vx222/vx222_ops.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/sound/pci/vx222/vx222_ops.c b/sound/pci/vx222/vx222_ops.c
index 7df1663ea510..d4298af6d3ee 100644
--- a/sound/pci/vx222/vx222_ops.c
+++ b/sound/pci/vx222/vx222_ops.c
@@ -86,7 +86,7 @@ static int vx2_reg_index[VX_REG_MAX] = {
static inline unsigned long vx2_reg_addr(struct vx_core *_chip, int reg)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
return chip->port[vx2_reg_index[reg]] + vx2_reg_offset[reg];
}
@@ -159,7 +159,7 @@ static void vx2_outl(struct vx_core *chip, int offset, unsigned int val)
static void vx2_reset_dsp(struct vx_core *_chip)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
/* set the reset dsp bit to 0 */
vx_outl(chip, CDSP, chip->regCDSP & ~VX_CDSP_DSP_RESET_MASK);
@@ -174,7 +174,7 @@ static void vx2_reset_dsp(struct vx_core *_chip)
static int vx2_test_xilinx(struct vx_core *_chip)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
unsigned int data;
dev_dbg(_chip->card->dev, "testing xilinx...\n");
@@ -479,7 +479,7 @@ static int vx2_test_and_ack(struct vx_core *chip)
*/
static void vx2_validate_irq(struct vx_core *_chip, int enable)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
/* Set the interrupt enable bit to 1 in CDSP register */
if (enable) {
@@ -730,7 +730,7 @@ static void vx2_old_write_codec_bit(struct vx_core *chip, int codec, unsigned in
*/
static void vx2_reset_codec(struct vx_core *_chip)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
/* Set the reset CODEC bit to 0. */
vx_outl(chip, CDSP, chip->regCDSP &~ VX_CDSP_CODEC_RESET_MASK);
@@ -772,7 +772,7 @@ static void vx2_reset_codec(struct vx_core *_chip)
*/
static void vx2_change_audio_source(struct vx_core *_chip, int src)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
switch (src) {
case VX_AUDIO_SRC_DIGITAL:
@@ -791,7 +791,7 @@ static void vx2_change_audio_source(struct vx_core *_chip, int src)
*/
static void vx2_set_clock_source(struct vx_core *_chip, int source)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
if (source == INTERNAL_QUARTZ)
chip->regCFG &= ~VX_CFG_CLOCKIN_SEL_MASK;
@@ -805,7 +805,7 @@ static void vx2_set_clock_source(struct vx_core *_chip, int source)
*/
static void vx2_reset_board(struct vx_core *_chip, int cold_reset)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
/* initialize the register values */
chip->regCDSP = VX_CDSP_CODEC_RESET_MASK | VX_CDSP_DSP_RESET_MASK ;
@@ -878,7 +878,7 @@ static int vx_input_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_ele
static int vx_input_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
mutex_lock(&_chip->mixer_mutex);
ucontrol->value.integer.value[0] = chip->input_level[0];
ucontrol->value.integer.value[1] = chip->input_level[1];
@@ -889,7 +889,7 @@ static int vx_input_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem
static int vx_input_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
if (ucontrol->value.integer.value[0] < 0 ||
ucontrol->value.integer.value[0] > MIC_LEVEL_MAX)
return -EINVAL;
@@ -922,7 +922,7 @@ static int vx_mic_level_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_
static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
ucontrol->value.integer.value[0] = chip->mic_level;
return 0;
}
@@ -930,7 +930,7 @@ static int vx_mic_level_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_v
static int vx_mic_level_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
{
struct vx_core *_chip = snd_kcontrol_chip(kcontrol);
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
if (ucontrol->value.integer.value[0] < 0 ||
ucontrol->value.integer.value[0] > MIC_LEVEL_MAX)
return -EINVAL;
@@ -973,7 +973,7 @@ static const struct snd_kcontrol_new vx_control_mic_level = {
static int vx2_add_mic_controls(struct vx_core *_chip)
{
- struct snd_vx222 *chip = (struct snd_vx222 *)_chip;
+ struct snd_vx222 *chip = to_vx222(_chip);
int err;
if (_chip->type != VX_TYPE_MIC)