/* Helper functions for Dell Mic Mute LED control;
 * to be included from codec driver
 */

#if IS_ENABLED(CONFIG_LEDS_DELL_NETBOOKS)
#include <linux/dell-led.h>

static int dell_led_value;
static int (*dell_led_set_func)(int, int);
static void (*dell_old_cap_hook)(struct hda_codec *,
			         struct snd_kcontrol *,
				 struct snd_ctl_elem_value *);

static void update_dell_wmi_micmute_led(struct hda_codec *codec,
				        struct snd_kcontrol *kcontrol,
					struct snd_ctl_elem_value *ucontrol)
{
	if (dell_old_cap_hook)
		dell_old_cap_hook(codec, kcontrol, ucontrol);

	if (!ucontrol || !dell_led_set_func)
		return;
	if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) {
		/* TODO: How do I verify if it's a mono or stereo here? */
		int val = (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) ? 0 : 1;
		if (val == dell_led_value)
			return;
		dell_led_value = val;
		if (dell_led_set_func)
			dell_led_set_func(DELL_LED_MICMUTE, dell_led_value);
	}
}


static void alc_fixup_dell_wmi(struct hda_codec *codec,
			       const struct hda_fixup *fix, int action)
{
	struct alc_spec *spec = codec->spec;
	bool removefunc = false;

	if (action == HDA_FIXUP_ACT_PROBE) {
		if (!dell_led_set_func)
			dell_led_set_func = symbol_request(dell_app_wmi_led_set);
		if (!dell_led_set_func) {
			codec_warn(codec, "Failed to find dell wmi symbol dell_app_wmi_led_set\n");
			return;
		}

		removefunc = true;
		if (dell_led_set_func(DELL_LED_MICMUTE, false) >= 0) {
			dell_led_value = 0;
			if (spec->gen.num_adc_nids > 1 && !spec->gen.dyn_adc_switch)
				codec_dbg(codec, "Skipping micmute LED control due to several ADCs");
			else {
				dell_old_cap_hook = spec->gen.cap_sync_hook;
				spec->gen.cap_sync_hook = update_dell_wmi_micmute_led;
				removefunc = false;
			}
		}

	}

	if (dell_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
		symbol_put(dell_app_wmi_led_set);
		dell_led_set_func = NULL;
		dell_old_cap_hook = NULL;
	}
}

#else /* CONFIG_LEDS_DELL_NETBOOKS */
static void alc_fixup_dell_wmi(struct hda_codec *codec,
			       const struct hda_fixup *fix, int action)
{
}

#endif /* CONFIG_LEDS_DELL_NETBOOKS */
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/openvswitch?h=nds-private-remove&amp;id=f1750e144a2f01b011bd3155fcf8b6dff299fe68'>f1750e144a2f01b011bd3155fcf8b6dff299fe68</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/openvswitch?h=nds-private-remove&amp;id=78337c0697e669554c28b8b48c644bbaad0ffc5e&amp;id2=f1750e144a2f01b011bd3155fcf8b6dff299fe68'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/openvswitch?h=nds-private-remove&amp;id=3846fd9b86001bea171943cc3bb9222cb6da6b42'>3846fd9b86001bea171943cc3bb9222cb6da6b42</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/openvswitch?h=nds-private-remove&amp;id=78337c0697e669554c28b8b48c644bbaad0ffc5e&amp;id2=3846fd9b86001bea171943cc3bb9222cb6da6b42'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'drm-misc-fixes-2017-01-13' of git://anongit.freedesktop.org/git/drm-misc into drm-fixes</div><div class='commit-msg'>A few more core fixes.

* tag 'drm-misc-fixes-2017-01-13' of git://anongit.freedesktop.org/git/drm-misc:
  drm/probe-helpers: Drop locking from poll_enable
  drm: Fix broken VT switch with video=1366x768 option
  drm: Schedule the output_poll_work with 1s delay if we have delayed event
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