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ld10k1 - Use the new API

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Issue SNDRV_EMU10K1_IOCTL_PVERSION and check the driver.
This prevents to run ld10k1 on the older binary-incompatible driver.
This commit is contained in:
Takashi Iwai 2007-01-19 18:38:26 +01:00
parent 54becc11d0
commit ca6a8bac3c
1 changed files with 17 additions and 6 deletions
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23
ld10k1/src/ld10k1_driver.c
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@ -194,8 +194,10 @@ int ld10k1_update_driver(ld10k1_dsp_mgr_t *dsp_mgr)
/* controls to add */
if (dsp_mgr->add_list_count > 0) {
add_ctrl = (emu10k1_fx8010_control_gpr_t *)malloc(sizeof(emu10k1_fx8010_control_gpr_t) * dsp_mgr->add_list_count);
memset(add_ctrl, 0, sizeof(emu10k1_fx8010_control_gpr_t) * dsp_mgr->add_list_count);
add_ctrl = calloc(dsp_mgr->add_list_count,
sizeof(emu10k1_fx8010_control_gpr_t));
if (!add_ctrl)
return LD10K1_ERR_NO_MEM;
for (i = 0, item = dsp_mgr->add_ctl_list; item != NULL; item = item->next, i++) {
strcpy(add_ctrl[i].id.name, item->ctl.name);
add_ctrl[i].id.iface = EMU10K1_CTL_ELEM_IFACE_MIXER;
@ -218,8 +220,10 @@ int ld10k1_update_driver(ld10k1_dsp_mgr_t *dsp_mgr)
/* controls to del */
if (dsp_mgr->del_list_count > 0) {
del_ids = (emu10k1_ctl_elem_id_t *)malloc(sizeof(emu10k1_ctl_elem_id_t) * dsp_mgr->del_list_count);
memset(del_ids, 0, sizeof(emu10k1_ctl_elem_id_t) * dsp_mgr->del_list_count);
del_ids = calloc(dsp_mgr->del_list_count,
sizeof(emu10k1_ctl_elem_id_t));
if (!del_ids)
return LD10K1_ERR_NO_MEM;
for (i = 0, item = dsp_mgr->del_ctl_list; item != NULL; item = item->next, i++) {
strcpy(del_ids[i].name, item->ctl.name);
del_ids[i].iface = EMU10K1_CTL_ELEM_IFACE_MIXER;
@ -333,6 +337,11 @@ int ld10k1_init_driver(ld10k1_dsp_mgr_t *dsp_mgr, int tram_size)
int err;
if (snd_hwdep_ioctl(handle, SNDRV_EMU10K1_IOCTL_PVERSION, &i) < 0) {
error("Cannot get emu10k1 driver version, likely an old driver is running.");
return LD10K1_ERR_DRIVER_INFO;
}
if ((err = ld10k1_alloc_code_struct(&code)) < 0)
return err;
@ -363,7 +372,8 @@ int ld10k1_init_driver(ld10k1_dsp_mgr_t *dsp_mgr, int tram_size)
return LD10K1_ERR_DRIVER_CODE_PEEK;
}
ctrl = (emu10k1_fx8010_control_gpr_t *)malloc(sizeof(emu10k1_fx8010_control_gpr_t) * code.gpr_list_control_total);
ctrl = calloc(code.gpr_list_control_total,
sizeof(emu10k1_fx8010_control_gpr_t));
if (!ctrl) {
ld10k1_free_code_struct(&code);
return LD10K1_ERR_NO_MEM;
@ -397,7 +407,8 @@ int ld10k1_init_driver(ld10k1_dsp_mgr_t *dsp_mgr, int tram_size)
code.gpr_map[i] = 0;
}
ids = (emu10k1_ctl_elem_id_t *)malloc(sizeof(emu10k1_ctl_elem_id_t) * code.gpr_list_control_total);
ids = calloc(code.gpr_list_control_total,
sizeof(emu10k1_ctl_elem_id_t));
if (!ids) {
ld10k1_free_code_struct(&code);
free(ctrl);