From 603c40199252f0c3b91fca02fd3283c4f8e55179 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Wed, 30 Jul 2008 15:01:44 +0200 Subject: ALSA: hda - Use generic array helpers Use generic array helpers to simplify array handling in snd-hda-intel. Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_sigmatel.c | 55 +++++++++++++++++++----------------------- 1 file changed, 25 insertions(+), 30 deletions(-) (limited to 'sound/pci/hda/patch_sigmatel.c') diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index c5906551311..3db39adad79 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -35,7 +35,6 @@ #include "hda_patch.h" #include "hda_beep.h" -#define NUM_CONTROL_ALLOC 32 #define STAC_PWR_EVENT 0x20 #define STAC_HP_EVENT 0x30 #define STAC_VREF_EVENT 0x40 @@ -218,8 +217,7 @@ struct sigmatel_spec { /* dynamic controls and input_mux */ struct auto_pin_cfg autocfg; - unsigned int num_kctl_alloc, num_kctl_used; - struct snd_kcontrol_new *kctl_alloc; + struct snd_array kctls; struct hda_input_mux private_dimux; struct hda_input_mux private_imux; struct hda_input_mux private_smux; @@ -1233,6 +1231,8 @@ static const char *slave_sws[] = { NULL }; +static void stac92xx_free_kctls(struct hda_codec *codec); + static int stac92xx_build_controls(struct hda_codec *codec) { struct sigmatel_spec *spec = codec->spec; @@ -1305,6 +1305,7 @@ static int stac92xx_build_controls(struct hda_codec *codec) return err; } + stac92xx_free_kctls(codec); /* no longer needed */ return 0; } @@ -2592,28 +2593,16 @@ static int stac92xx_add_control_idx(struct sigmatel_spec *spec, int type, { struct snd_kcontrol_new *knew; - if (spec->num_kctl_used >= spec->num_kctl_alloc) { - int num = spec->num_kctl_alloc + NUM_CONTROL_ALLOC; - - knew = kcalloc(num + 1, sizeof(*knew), GFP_KERNEL); /* array + terminator */ - if (! knew) - return -ENOMEM; - if (spec->kctl_alloc) { - memcpy(knew, spec->kctl_alloc, sizeof(*knew) * spec->num_kctl_alloc); - kfree(spec->kctl_alloc); - } - spec->kctl_alloc = knew; - spec->num_kctl_alloc = num; - } - - knew = &spec->kctl_alloc[spec->num_kctl_used]; + snd_array_init(&spec->kctls, sizeof(*knew), 32); + knew = snd_array_new(&spec->kctls); + if (!knew) + return -ENOMEM; *knew = stac92xx_control_templates[type]; knew->index = idx; knew->name = kstrdup(name, GFP_KERNEL); if (! knew->name) return -ENOMEM; knew->private_value = val; - spec->num_kctl_used++; return 0; } @@ -3434,8 +3423,8 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (dig_in && spec->autocfg.dig_in_pin) spec->dig_in_nid = dig_in; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux; spec->dinput_mux = &spec->private_dimux; @@ -3536,8 +3525,8 @@ static int stac9200_parse_auto_config(struct hda_codec *codec) if (spec->autocfg.dig_in_pin) spec->dig_in_nid = 0x04; - if (spec->kctl_alloc) - spec->mixers[spec->num_mixers++] = spec->kctl_alloc; + if (spec->kctls.list) + spec->mixers[spec->num_mixers++] = spec->kctls.list; spec->input_mux = &spec->private_imux; spec->dinput_mux = &spec->private_dimux; @@ -3698,20 +3687,26 @@ static int stac92xx_init(struct hda_codec *codec) return 0; } +static void stac92xx_free_kctls(struct hda_codec *codec) +{ + struct sigmatel_spec *spec = codec->spec; + + if (spec->kctls.list) { + struct snd_kcontrol_new *kctl = spec->kctls.list; + int i; + for (i = 0; i < spec->kctls.used; i++) + kfree(kctl[i].name); + } + snd_array_free(&spec->kctls); +} + static void stac92xx_free(struct hda_codec *codec) { struct sigmatel_spec *spec = codec->spec; - int i; if (! spec) return; - if (spec->kctl_alloc) { - for (i = 0; i < spec->num_kctl_used; i++) - kfree(spec->kctl_alloc[i].name); - kfree(spec->kctl_alloc); - } - if (spec->bios_pin_configs) kfree(spec->bios_pin_configs); -- cgit v1.2.3