From: Antti Palosaari <crope@iki.fi>
Date: Mon, 17 Sep 2012 01:26:57 +0000 (-0300)
Subject: [media] af9033: sleep on attach
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12897dc37648ac48b2aa2b3bb2d7df69625b6de5;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[media] af9033: sleep on attach

This reduces power consumption 10mA.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 0979ada2a20a..56e9611c0abb 100644
--- a/drivers/media/dvb-frontends/af9033.c
+++ b/drivers/media/dvb-frontends/af9033.c
@@ -909,6 +909,15 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config,
 			"OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1],
 			buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]);
 
+	/* sleep */
+	ret = af9033_wr_reg(state, 0x80004c, 1);
+	if (ret < 0)
+		goto err;
+
+	ret = af9033_wr_reg(state, 0x800000, 0);
+	if (ret < 0)
+		goto err;
+
 	/* configure internal TS mode */
 	switch (state->cfg.ts_mode) {
 	case AF9033_TS_MODE_PARALLEL: