diff options
Diffstat (limited to 'linux/drivers/media/video/cx18/cx18-i2c.c')
| -rw-r--r-- | linux/drivers/media/video/cx18/cx18-i2c.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-i2c.c b/linux/drivers/media/video/cx18/cx18-i2c.c index 1af9ea149..c0a79ecd4 100644 --- a/linux/drivers/media/video/cx18/cx18-i2c.c +++ b/linux/drivers/media/video/cx18/cx18-i2c.c @@ -4,6 +4,7 @@ * Derived from ivtv-i2c.c * * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@radix.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -184,9 +185,9 @@ static void cx18_setscl(void *data, int state) u32 r = cx18_read_reg(cx, addr); if (state) - cx18_write_reg_sync(cx, r | SETSCL_BIT, addr); + cx18_write_reg(cx, r | SETSCL_BIT, addr); else - cx18_write_reg_sync(cx, r & ~SETSCL_BIT, addr); + cx18_write_reg(cx, r & ~SETSCL_BIT, addr); } static void cx18_setsda(void *data, int state) @@ -197,9 +198,9 @@ static void cx18_setsda(void *data, int state) u32 r = cx18_read_reg(cx, addr); if (state) - cx18_write_reg_sync(cx, r | SETSDL_BIT, addr); + cx18_write_reg(cx, r | SETSDL_BIT, addr); else - cx18_write_reg_sync(cx, r & ~SETSDL_BIT, addr); + cx18_write_reg(cx, r & ~SETSDL_BIT, addr); } static int cx18_getscl(void *data) @@ -433,16 +434,10 @@ int init_cx18_i2c(struct cx18 *cx) } /* courtesy of Steven Toth <stoth@hauppauge.com> */ cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0); - if (!cx18_retry_mmio) - (void) cx18_read_reg(cx, 0xc7001c); /* sync */ mdelay(10); cx18_write_reg_expect(cx, 0x00c000c0, 0xc7001c, 0x000000c0, 0x00c000c0); - if (!cx18_retry_mmio) - (void) cx18_read_reg(cx, 0xc7001c); /* sync */ mdelay(10); cx18_write_reg_expect(cx, 0x00c00000, 0xc7001c, 0x00000000, 0x00c000c0); - if (!cx18_retry_mmio) - (void) cx18_read_reg(cx, 0xc7001c); /* sync */ mdelay(10); /* Set to edge-triggered intrs. */ @@ -452,12 +447,12 @@ int init_cx18_i2c(struct cx18 *cx) ~(HW2_I2C1_INT|HW2_I2C2_INT), HW2_I2C1_INT|HW2_I2C2_INT); /* Hw I2C1 Clock Freq ~100kHz */ - cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); + cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_1_WR); cx18_setscl(&cx->i2c_algo_cb_data[0], 1); cx18_setsda(&cx->i2c_algo_cb_data[0], 1); /* Hw I2C2 Clock Freq ~100kHz */ - cx18_write_reg_sync(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); + cx18_write_reg(cx, 0x00021c0f & ~4, CX18_REG_I2C_2_WR); cx18_setscl(&cx->i2c_algo_cb_data[1], 1); cx18_setsda(&cx->i2c_algo_cb_data[1], 1); |