From a5293dbd7033b4d3bab63c21025f76d00a8a2585 Mon Sep 17 00:00:00 2001 From: Matthias Schwarzott Date: Thu, 19 Nov 2015 18:03:55 -0200 Subject: [PATCH] [media] si2165: create function si2165_write_reg_list for writing register lists It is common the need of writing a table of values. Add a function to provide a helper to address such case. This will allow further code cleanups. Signed-off-by: Matthias Schwarzott Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/si2165.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/media/dvb-frontends/si2165.c b/drivers/media/dvb-frontends/si2165.c index a0e4600bf36f..222d7750f98d 100644 --- a/drivers/media/dvb-frontends/si2165.c +++ b/drivers/media/dvb-frontends/si2165.c @@ -243,6 +243,27 @@ err: return ret; } +#define REG16(reg, val) { (reg), (val) & 0xff }, { (reg)+1, (val)>>8 & 0xff } +struct si2165_reg_value_pair { + u16 reg; + u8 val; +}; + +static int si2165_write_reg_list(struct si2165_state *state, + const struct si2165_reg_value_pair *regs, + int count) +{ + int i; + int ret; + + for (i = 0; i < count; i++) { + ret = si2165_writereg8(state, regs[i].reg, regs[i].val); + if (ret < 0) + return ret; + } + return 0; +} + static int si2165_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *s) { -- 2.39.5