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| author | Jaroslav Kysela <perex@perex.cz> | 2009-07-22 16:20:40 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-07-22 16:30:03 +0200 |
| commit | 16a433d8b38720a816736d59a62e705c19e31600 (patch) | |
| tree | ec2efc9b071b2fc7b68d9a0278a9f64d997d7af1 /sound/pci | |
| parent | 254da007f93f79ee773788cbb38f24dfab9590f5 (diff) | |
| download | op-kernel-dev-16a433d8b38720a816736d59a62e705c19e31600.zip op-kernel-dev-16a433d8b38720a816736d59a62e705c19e31600.tar.gz | |
ALSA: hda-intel: Cleanups for widget connection list handling
This patch adds a check to snd_hda_get_connections() routine for
presence of AC_WCAP_CONN_LIST. Also, make sure that negative error
codes from noted route are handled on all places as errors.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_codec.c | 6 | ||||
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 6 | ||||
| -rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 8 |
3 files changed, 11 insertions, 9 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3ecb45d..aa55407 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -306,6 +306,12 @@ int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, if (snd_BUG_ON(!conn_list || max_conns <= 0)) return -EINVAL; + if ((get_wcaps(codec, nid) & AC_WCAP_CONN_LIST) == 0) { + snd_printk(KERN_WARNING "hda_codec: " + "connection list not available for 0x%x\n", nid); + return -EINVAL; + } + parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); if (parm & AC_CLIST_LONG) { /* long form */ diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index b2ea432..728f2a7 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4501,12 +4501,6 @@ static int alc880_parse_auto_config(struct hda_codec *codec) &dig_nid, 1); if (err < 0) continue; - if (dig_nid > 0x7f) { - printk(KERN_ERR "alc880_auto: invalid dig_nid " - "connection 0x%x for NID 0x%x\n", dig_nid, - spec->autocfg.dig_out_pins[i]); - continue; - } if (!i) spec->multiout.dig_out_nid = dig_nid; else { diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 00c702d..948600d 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -3389,7 +3389,7 @@ static int stac92xx_auto_create_mono_output_ctls(struct hda_codec *codec) spec->mono_nid, con_lst, HDA_MAX_NUM_INPUTS); - if (!num_cons || num_cons > ARRAY_SIZE(stac92xx_mono_labels)) + if (num_cons <= 0 || num_cons > ARRAY_SIZE(stac92xx_mono_labels)) return -EINVAL; for (i = 0; i < num_cons; i++) { @@ -3535,7 +3535,7 @@ static int stac92xx_auto_create_spdif_mux_ctls(struct hda_codec *codec) spec->smux_nids[0], con_lst, HDA_MAX_NUM_INPUTS); - if (!num_cons) + if (num_cons <= 0) return -EINVAL; if (!labels) @@ -3742,7 +3742,7 @@ static int stac92xx_parse_auto_config(struct hda_codec *codec, hda_nid_t dig_out if (snd_hda_get_connections(codec, spec->autocfg.mono_out_pin, conn_list, 1) && snd_hda_get_connections(codec, conn_list[0], - conn_list, 1)) { + conn_list, 1) > 0) { int wcaps = get_wcaps(codec, conn_list[0]); int wid_type = (wcaps & AC_WCAP_TYPE) @@ -5169,6 +5169,8 @@ again: num_dacs = snd_hda_get_connections(codec, nid, conn, STAC92HD83_DAC_COUNT + 1) - 1; + if (num_dacs < 0) + num_dacs = STAC92HD83_DAC_COUNT; /* set port X to select the last DAC */ |
