diff options
Diffstat (limited to 'sound/pci/cs46xx/dsp_spos.c')
-rw-r--r-- | sound/pci/cs46xx/dsp_spos.c | 68 |
1 files changed, 37 insertions, 31 deletions
diff --git a/sound/pci/cs46xx/dsp_spos.c b/sound/pci/cs46xx/dsp_spos.c index 445a448949e..f407d2a5ce3 100644 --- a/sound/pci/cs46xx/dsp_spos.c +++ b/sound/pci/cs46xx/dsp_spos.c @@ -28,6 +28,8 @@ #include <linux/init.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <linux/mutex.h> + #include <sound/core.h> #include <sound/control.h> #include <sound/info.h> @@ -235,7 +237,7 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) if (ins->symbol_table.symbols == NULL) { cs46xx_dsp_spos_destroy(chip); - return NULL; + goto error; } ins->code.offset = 0; @@ -244,7 +246,7 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) if (ins->code.data == NULL) { cs46xx_dsp_spos_destroy(chip); - return NULL; + goto error; } ins->nscb = 0; @@ -255,7 +257,7 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) if (ins->modules == NULL) { cs46xx_dsp_spos_destroy(chip); - return NULL; + goto error; } /* default SPDIF input sample rate @@ -278,6 +280,10 @@ struct dsp_spos_instance *cs46xx_dsp_spos_create (struct snd_cs46xx * chip) /* left and right validity bits */ (1 << 13) | (1 << 12); return ins; + +error: + kfree(ins); + return NULL; } void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip) @@ -287,7 +293,7 @@ void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip) snd_assert(ins != NULL, return); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); for (i = 0; i < ins->nscb; ++i) { if (ins->scbs[i].deleted) continue; @@ -298,7 +304,7 @@ void cs46xx_dsp_spos_destroy (struct snd_cs46xx * chip) vfree(ins->symbol_table.symbols); kfree(ins->modules); kfree(ins); - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); } int cs46xx_dsp_load_module (struct snd_cs46xx * chip, struct dsp_module_desc * module) @@ -497,7 +503,7 @@ static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry, struct dsp_spos_instance * ins = chip->dsp_spos_instance; int i,j; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); snd_iprintf(buffer, "MODULES:\n"); for ( i = 0; i < ins->nmodules; ++i ) { snd_iprintf(buffer, "\n%s:\n", ins->modules[i].module_name); @@ -510,7 +516,7 @@ static void cs46xx_dsp_proc_modules_read (struct snd_info_entry *entry, desc->segment_type,desc->offset, desc->size); } } - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); } static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry, @@ -521,7 +527,7 @@ static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry, int i, j, col; void __iomem *dst = chip->region.idx[1].remap_addr + DSP_PARAMETER_BYTE_OFFSET; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); snd_iprintf(buffer, "TASK TREES:\n"); for ( i = 0; i < ins->ntask; ++i) { snd_iprintf(buffer,"\n%04x %s:\n",ins->tasks[i].address,ins->tasks[i].task_name); @@ -538,7 +544,7 @@ static void cs46xx_dsp_proc_task_tree_read (struct snd_info_entry *entry, } snd_iprintf(buffer,"\n"); - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); } static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry, @@ -548,7 +554,7 @@ static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry, struct dsp_spos_instance * ins = chip->dsp_spos_instance; int i; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); snd_iprintf(buffer, "SCB's:\n"); for ( i = 0; i < ins->nscb; ++i) { if (ins->scbs[i].deleted) @@ -571,7 +577,7 @@ static void cs46xx_dsp_proc_scb_read (struct snd_info_entry *entry, } snd_iprintf(buffer,"\n"); - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); } static void cs46xx_dsp_proc_parameter_dump_read (struct snd_info_entry *entry, @@ -852,14 +858,14 @@ int cs46xx_dsp_proc_init (struct snd_card *card, struct snd_cs46xx *chip) } ins->proc_scb_info_entry = entry; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); /* register/update SCB's entries on proc */ for (i = 0; i < ins->nscb; ++i) { if (ins->scbs[i].deleted) continue; cs46xx_dsp_proc_register_scb_desc (chip, (ins->scbs + i)); } - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -899,12 +905,12 @@ int cs46xx_dsp_proc_done (struct snd_cs46xx *chip) ins->proc_task_info_entry = NULL; } - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); for (i = 0; i < ins->nscb; ++i) { if (ins->scbs[i].deleted) continue; cs46xx_dsp_proc_free_scb_desc ( (ins->scbs + i) ); } - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); if (ins->proc_dsp_dir) { snd_info_unregister (ins->proc_dsp_dir); @@ -1694,7 +1700,7 @@ int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip) snd_assert (ins->asynch_rx_scb == NULL,return -EINVAL); snd_assert (ins->spdif_in_src != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); if ( ! (ins->spdif_status_out & DSP_SPDIF_STATUS_INPUT_CTRL_ENABLED) ) { /* time countdown enable */ @@ -1738,7 +1744,7 @@ int cs46xx_dsp_enable_spdif_in (struct snd_cs46xx *chip) /* monitor state */ ins->spdif_status_in = 1; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1750,7 +1756,7 @@ int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip) snd_assert (ins->asynch_rx_scb != NULL, return -EINVAL); snd_assert (ins->spdif_in_src != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); /* Remove the asynchronous receiver SCB */ cs46xx_dsp_remove_scb (chip,ins->asynch_rx_scb); @@ -1760,7 +1766,7 @@ int cs46xx_dsp_disable_spdif_in (struct snd_cs46xx *chip) /* monitor state */ ins->spdif_status_in = 0; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); /* restore amplifier */ chip->active_ctrl(chip, -1); @@ -1776,10 +1782,10 @@ int cs46xx_dsp_enable_pcm_capture (struct snd_cs46xx *chip) snd_assert (ins->pcm_input == NULL,return -EINVAL); snd_assert (ins->ref_snoop_scb != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); ins->pcm_input = cs46xx_add_record_source(chip,ins->ref_snoop_scb,PCMSERIALIN_PCM_SCB_ADDR, "PCMSerialInput_Wave"); - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1790,10 +1796,10 @@ int cs46xx_dsp_disable_pcm_capture (struct snd_cs46xx *chip) snd_assert (ins->pcm_input != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); cs46xx_dsp_remove_scb (chip,ins->pcm_input); ins->pcm_input = NULL; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1805,10 +1811,10 @@ int cs46xx_dsp_enable_adc_capture (struct snd_cs46xx *chip) snd_assert (ins->adc_input == NULL,return -EINVAL); snd_assert (ins->codec_in_scb != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); ins->adc_input = cs46xx_add_record_source(chip,ins->codec_in_scb,PCMSERIALIN_SCB_ADDR, "PCMSerialInput_ADC"); - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1819,10 +1825,10 @@ int cs46xx_dsp_disable_adc_capture (struct snd_cs46xx *chip) snd_assert (ins->adc_input != NULL,return -EINVAL); - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); cs46xx_dsp_remove_scb (chip,ins->adc_input); ins->adc_input = NULL; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1869,7 +1875,7 @@ int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right) struct dsp_spos_instance * ins = chip->dsp_spos_instance; struct dsp_scb_descriptor * scb; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); /* main output */ scb = ins->master_mix_scb->sub_list_ptr; @@ -1888,7 +1894,7 @@ int cs46xx_dsp_set_dac_volume (struct snd_cs46xx * chip, u16 left, u16 right) ins->dac_volume_left = left; ins->dac_volume_right = right; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } @@ -1897,7 +1903,7 @@ int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right) { struct dsp_spos_instance * ins = chip->dsp_spos_instance; - down(&chip->spos_mutex); + mutex_lock(&chip->spos_mutex); if (ins->asynch_rx_scb != NULL) cs46xx_dsp_scb_set_volume (chip,ins->asynch_rx_scb, @@ -1906,7 +1912,7 @@ int cs46xx_dsp_set_iec958_volume (struct snd_cs46xx * chip, u16 left, u16 right) ins->spdif_input_volume_left = left; ins->spdif_input_volume_right = right; - up(&chip->spos_mutex); + mutex_unlock(&chip->spos_mutex); return 0; } |