V4L/DVB (9739): sms1xxx: enable signal quality indicator LEDs on Hauppauge WinTV MiniStick

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c
index e17eb35877fc..f4eb46a7c905 100644
--- a/drivers/media/dvb/siano/sms-cards.c
+++ b/drivers/media/dvb/siano/sms-cards.c
@@ -183,3 +183,25 @@ int sms_board_power(struct smscore_device_t *coredev, int onoff)
         }
         return 0;
 }
+
+int sms_board_led_feedback(struct smscore_device_t *coredev, int led)
+{
+        int board_id = smscore_get_board_id(coredev);
+        struct sms_board *board = sms_get_board(board_id);
+
+        /* dont touch GPIO if LEDs are already set */
+        if (smscore_led_state(coredev, -1) == led)
+                return 0;
+
+        switch (board_id) {
+        case SMS1XXX_BOARD_HAUPPAUGE_WINDHAM:
+                sms_set_gpio(coredev,
+                             board->led_lo, (led & SMS_LED_LO) ? 1 : 0);
+                sms_set_gpio(coredev,
+                             board->led_hi, (led & SMS_LED_HI) ? 1 : 0);
+
+                smscore_led_state(coredev, led);
+                break;
+        }
+        return 0;
+}