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Commit 05024efe authored by Matthias Schwarzott's avatar Matthias Schwarzott Committed by Mauro Carvalho Chehab
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[media] si2157: Add support for spectral inversion 



This is needed for PCTV 522e support.

Signed-off-by: default avatarMatthias Schwarzott <zzam@gentoo.org>
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent c3b513bd

drivers/media/tuners/si2157.c

+3 −0
Original line number Diff line number Diff line
@@ -253,6 +253,8 @@ static int si2157_set_params(struct dvb_frontend *fe) 


	memcpy(cmd.args, "\x14\x00\x03\x07\x00\x00", 6);

	cmd.args[4] = delivery_system | bandwidth;

	if (s->inversion)

		cmd.args[5] = 0x01;

	cmd.wlen = 6;

	cmd.rlen = 1;

	ret = si2157_cmd_execute(s, &cmd);
@@ -307,6 +309,7 @@ static int si2157_probe(struct i2c_client *client, 


	s->client = client;

	s->fe = cfg->fe;

	s->inversion = cfg->inversion;

	mutex_init(&s->i2c_mutex);



	/* check if the tuner is there */

drivers/media/tuners/si2157.h

+5 −0
Original line number Diff line number Diff line
@@ -29,6 +29,11 @@ struct si2157_config { 
	 * frontend

	 */

	struct dvb_frontend *fe;



	/*

	 * Spectral Inversion

	 */

	bool inversion;

};



#endif

drivers/media/tuners/si2157_priv.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ struct si2157 { 
	struct i2c_client *client;

	struct dvb_frontend *fe;

	bool active;

	bool inversion;

};



/* firmare command struct */