Commit 5f976f58 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

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: default avatarTakashi Iwai <tiwai@suse.de>
parent 6c1df232

sound/pci/vx222/vx222.c

+2 −2
Original line number Diff line number Diff line
@@ -116,7 +116,7 @@ static struct snd_vx_hardware vx222_mic_hw = { 
 */

static int snd_vx222_free(struct vx_core *chip)

{

	struct snd_vx222 *vx = (struct snd_vx222 *)chip;

	struct snd_vx222 *vx = to_vx222(chip);



	if (chip->irq >= 0)

		free_irq(chip->irq, (void*)chip);
@@ -158,7 +158,7 @@ static int snd_vx222_create(struct snd_card *card, struct pci_dev *pci, 
		pci_disable_device(pci);

		return -ENOMEM;

	}

	vx = (struct snd_vx222 *)chip;

	vx = to_vx222(chip);

	vx->pci = pci;



	if ((err = pci_request_regions(pci, CARD_NAME)) < 0) {

sound/pci/vx222/vx222.h

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ struct snd_vx222 { 
	int mic_level;		/* mic level for vx222 mic */

};



#define to_vx222(x)	container_of(x, struct snd_vx222, core)



/* we use a lookup table with 148 values, see vx_mixer.c */

#define VX2_AKM_LEVEL_MAX	0x93

sound/pci/vx222/vx222_ops.c

+13 −13
Original line number Diff line number Diff line
@@ -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)