summaryrefslogtreecommitdiffstats
path: root/sound
diff options
context:
space:
mode:
Diffstat (limited to 'sound')
-rw-r--r--sound/pci/hda/patch_sigmatel.c95
1 files changed, 68 insertions, 27 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 6b0bc040c3b1..e66672317e57 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -209,6 +209,7 @@ struct sigmatel_spec {
unsigned int gpio_data;
unsigned int gpio_mute;
unsigned int gpio_led;
+ unsigned int gpio_led_polarity;
/* stream */
unsigned int stream_delay;
@@ -4724,13 +4725,61 @@ static void stac92xx_unsol_event(struct hda_codec *codec, unsigned int res)
}
}
-static int hp_bseries_system(u32 subsystem_id)
+/*
+ * This method searches for the mute LED GPIO configuration
+ * provided as OEM string in SMBIOS. The format of that string
+ * is HP_Mute_LED_P_G or HP_Mute_LED_P
+ * where P can be 0 or 1 and defines mute LED GPIO control state (low/high)
+ * that corresponds to the NOT muted state of the master volume
+ * and G is the index of the GPIO to use as the mute LED control (0..9)
+ * If _G portion is missing it is assigned based on the codec ID
+ *
+ * So, HP B-series like systems may have HP_Mute_LED_0 (current models)
+ * or HP_Mute_LED_0_3 (future models) OEM SMBIOS strings
+ */
+static int find_mute_led_gpio(struct hda_codec *codec)
+{
+ struct sigmatel_spec *spec = codec->spec;
+ const struct dmi_device *dev = NULL;
+
+ if ((codec->subsystem_id >> 16) == PCI_VENDOR_ID_HP) {
+ while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING,
+ NULL, dev))) {
+ if (sscanf(dev->name, "HP_Mute_LED_%d_%d",
+ &spec->gpio_led_polarity,
+ &spec->gpio_led) == 2) {
+ spec->gpio_led = 1 << spec->gpio_led;
+ return 1;
+ }
+ if (sscanf(dev->name, "HP_Mute_LED_%d",
+ &spec->gpio_led_polarity) == 1) {
+ switch (codec->vendor_id) {
+ case 0x111d7608:
+ /* GPIO 0 */
+ spec->gpio_led = 0x01;
+ return 1;
+ case 0x111d7600:
+ case 0x111d7601:
+ case 0x111d7602:
+ case 0x111d7603:
+ /* GPIO 3 */
+ spec->gpio_led = 0x08;
+ return 1;
+ }
+ }
+ }
+ }
+ return 0;
+}
+
+static int hp_blike_system(u32 subsystem_id)
{
switch (subsystem_id) {
- case 0x103c307e:
- case 0x103c307f:
- case 0x103c3080:
- case 0x103c3081:
+ case 0x103c1520:
+ case 0x103c1521:
+ case 0x103c1523:
+ case 0x103c1524:
+ case 0x103c1525:
case 0x103c1722:
case 0x103c1723:
case 0x103c1724:
@@ -4739,6 +4788,14 @@ static int hp_bseries_system(u32 subsystem_id)
case 0x103c1727:
case 0x103c1728:
case 0x103c1729:
+ case 0x103c172a:
+ case 0x103c172b:
+ case 0x103c307e:
+ case 0x103c307f:
+ case 0x103c3080:
+ case 0x103c3081:
+ case 0x103c7007:
+ case 0x103c7008:
return 1;
}
return 0;
@@ -4833,7 +4890,7 @@ static int stac92xx_hp_check_power_status(struct hda_codec *codec,
else
spec->gpio_data |= spec->gpio_led; /* white */
- if (hp_bseries_system(codec->subsystem_id)) {
+ if (!spec->gpio_led_polarity) {
/* LED state is inverted on these systems */
spec->gpio_data ^= spec->gpio_led;
}
@@ -5526,7 +5583,7 @@ again:
break;
}
- if (hp_bseries_system(codec->subsystem_id)) {
+ if (hp_blike_system(codec->subsystem_id)) {
pin_cfg = snd_hda_codec_get_pincfg(codec, 0x0f);
if (get_defcfg_device(pin_cfg) == AC_JACK_LINE_OUT ||
get_defcfg_device(pin_cfg) == AC_JACK_SPEAKER ||
@@ -5544,26 +5601,10 @@ again:
}
}
- if ((codec->subsystem_id >> 16) == PCI_VENDOR_ID_HP) {
- const struct dmi_device *dev = NULL;
- while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING,
- NULL, dev))) {
- if (strcmp(dev->name, "HP_Mute_LED_1")) {
- switch (codec->vendor_id) {
- case 0x111d7608:
- spec->gpio_led = 0x01;
- break;
- case 0x111d7600:
- case 0x111d7601:
- case 0x111d7602:
- case 0x111d7603:
- spec->gpio_led = 0x08;
- break;
- }
- break;
- }
- }
- }
+ if (find_mute_led_gpio(codec))
+ snd_printd("mute LED gpio %d polarity %d\n",
+ spec->gpio_led,
+ spec->gpio_led_polarity);
#ifdef CONFIG_SND_HDA_POWER_SAVE
if (spec->gpio_led) {