ALSA: ctxfi - Remove useless initializations and cast

[linux-2.6.git] / sound / pci / ctxfi / cthw20k2.c

diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
index edbfb4827469234d0bf104ca3a00266be3ee98cc..7d6dcbaf5244868497eb2dfbedabaedf0ee2c361 100644 (file)
--- a/sound/pci/ctxfi/cthw20k2.c
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -168,7 +168,7 @@ static int src_get_rsc_ctrl_blk(void **rblk)
 
 static int src_put_rsc_ctrl_blk(void *blk)
 {
-       kfree((struct src_rsc_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -359,7 +359,7 @@ static unsigned int src_param_pitch_mixer(unsigned int src_idx)
 static int src_commit_write(struct hw *hw, unsigned int idx, void *blk)
 {
        struct src_rsc_ctrl_blk *ctl = blk;
-       int i = 0;
+       int i;
 
        if (ctl->dirty.bf.czbfs) {
                /* Clear Z-Buffer registers */
@@ -458,8 +458,8 @@ static int src_mgr_dsb_src(void *blk, unsigned int idx)
 static int src_mgr_commit_write(struct hw *hw, void *blk)
 {
        struct src_mgr_ctrl_blk *ctl = blk;
-       int i = 0;
-       unsigned int ret = 0;
+       int i;
+       unsigned int ret;
 
        if (ctl->dirty.bf.enbsa) {
                do {
@@ -494,7 +494,7 @@ static int src_mgr_get_ctrl_blk(void **rblk)
 
 static int src_mgr_put_ctrl_blk(void *blk)
 {
-       kfree((struct src_mgr_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -515,7 +515,7 @@ static int srcimp_mgr_get_ctrl_blk(void **rblk)
 
 static int srcimp_mgr_put_ctrl_blk(void *blk)
 {
-       kfree((struct srcimp_mgr_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -704,7 +704,7 @@ static int amixer_rsc_get_ctrl_blk(void **rblk)
 
 static int amixer_rsc_put_ctrl_blk(void *blk)
 {
-       kfree((struct amixer_rsc_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -893,7 +893,7 @@ static int dai_get_ctrl_blk(void **rblk)
 
 static int dai_put_ctrl_blk(void *blk)
 {
-       kfree((struct dai_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -943,7 +943,7 @@ static int dao_get_ctrl_blk(void **rblk)
 
 static int dao_put_ctrl_blk(void *blk)
 {
-       kfree((struct dao_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -1051,8 +1051,8 @@ static int daio_mgr_set_imapaddr(void *blk, unsigned int addr)
 static int daio_mgr_commit_write(struct hw *hw, void *blk)
 {
        struct daio_mgr_ctrl_blk *ctl = blk;
-       unsigned int data = 0;
-       int i = 0;
+       unsigned int data;
+       int i;
 
        for (i = 0; i < 8; i++) {
                if ((ctl->dirty.bf.atxctl & (0x1 << i))) {
@@ -1080,7 +1080,7 @@ static int daio_mgr_commit_write(struct hw *hw, void *blk)
 static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
 {
        struct daio_mgr_ctrl_blk *blk;
-       int i = 0;
+       int i;
 
        *rblk = NULL;
        blk = kzalloc(sizeof(*blk), GFP_KERNEL);
@@ -1099,7 +1099,7 @@ static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
 
 static int daio_mgr_put_ctrl_blk(void *blk)
 {
-       kfree((struct daio_mgr_ctrl_blk *)blk);
+       kfree(blk);
 
        return 0;
 }
@@ -1125,7 +1125,7 @@ struct trn_conf {
 
 static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
 {
-       u32 dwData = 0;
+       u32 dwData;
        int i;
 
        /* Program I2S with proper sample rate and enable the correct I2S
@@ -1195,9 +1195,9 @@ static int hw_daio_init(struct hw *hw, const struct daio_conf *info)
 /* TRANSPORT operations */
 static int hw_trn_init(struct hw *hw, const struct trn_conf *info)
 {
-       u32 vmctl = 0, data = 0;
-       unsigned long ptp_phys_low = 0, ptp_phys_high = 0;
-       int i = 0;
+       u32 vmctl, data;
+       u32 ptp_phys_low, ptp_phys_high;
+       int i;
 
        /* Set up device page table */
        if ((~0UL) == info->vm_pgt_phys) {
@@ -1433,7 +1433,7 @@ static int I2CLockChip(struct hw *hw)
 
 static int I2CInit(struct hw *hw, u8 bDeviceID, u8 bAddressSize, u8 bDataSize)
 {
-       int err = 0;
+       int err;
        unsigned int RegI2CStatus;
        unsigned int RegI2CAddress;
 
@@ -1481,7 +1481,7 @@ static int I2CUninit(struct hw *hw)
 static int I2CWaitDataReady(struct hw *hw)
 {
        int i = 0x400000;
-       unsigned int ret = 0;
+       unsigned int ret;
 
        do {
                ret = hw_read_20kx(hw, I2C_IF_STATUS);
@@ -1541,9 +1541,9 @@ static int I2CWrite(struct hw *hw, u16 wAddress, u32 dwData)
 
 static int hw_dac_init(struct hw *hw, const struct dac_conf *info)
 {
-       int err = 0;
-       u32 dwData = 0;
-       int i = 0;
+       int err;
+       u32 dwData;
+       int i;
        struct REGS_CS4382 cs4382_Read = {0};
        struct REGS_CS4382 cs4382_Def = {
                                   0x00000001,  /* Mode Control 1 */
@@ -1696,7 +1696,7 @@ End:
 
 static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
 {
-       u32 data = 0;
+       u32 data;
 
        data = hw_read_20kx(hw, GPIO_DATA);
        switch (type) {
@@ -1714,7 +1714,7 @@ static int hw_is_adc_input_selected(struct hw *hw, enum ADCSRC type)
 
 static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
 {
-       u32 data = 0;
+       u32 data;
 
        data = hw_read_20kx(hw, GPIO_DATA);
        switch (type) {
@@ -1747,8 +1747,8 @@ static int hw_adc_input_select(struct hw *hw, enum ADCSRC type)
 
 static int hw_adc_init(struct hw *hw, const struct adc_conf *info)
 {
-       int err = 0;
-       u32 dwMux = 2, dwData = 0, dwCtl = 0;
+       int err;
+       u32 dwMux = 2, dwData, dwCtl;
 
        /*  Set ADC reset bit as output */
        dwData = hw_read_20kx(hw, GPIO_CTRL);