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[3/3] af9033: sleep on attach

Message ID 1347848817-18607-3-git-send-email-crope@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Antti Palosaari Sept. 17, 2012, 2:26 a.m. UTC 
This reduces power consumption 10mA.

Signed-off-by: Antti Palosaari <crope@iki.fi>
---
 drivers/media/dvb-frontends/af9033.c | 9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c
index 0979ada..56e9611 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: