diff options
Diffstat (limited to 'drivers/staging/media/solo6x10/i2c.c')
| -rw-r--r-- | drivers/staging/media/solo6x10/i2c.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/staging/media/solo6x10/i2c.c b/drivers/staging/media/solo6x10/i2c.c index 398070a3d293..01aa417c9258 100644 --- a/drivers/staging/media/solo6x10/i2c.c +++ b/drivers/staging/media/solo6x10/i2c.c @@ -1,6 +1,11 @@ /* - * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com - * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net> + * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> + * + * Original author: + * Ben Collins <bcollins@ubuntu.com> + * + * Additional work by: + * John Brooks <john.brooks@bluecherry.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 @@ -26,6 +31,7 @@ * thread context, ACK the interrupt, and move on. -- BenC */ #include <linux/kernel.h> + #include "solo6x10.h" u8 solo_i2c_readbyte(struct solo_dev *solo_dev, int id, u8 addr, u8 off) @@ -173,10 +179,9 @@ int solo_i2c_isr(struct solo_dev *solo_dev) u32 status = solo_reg_read(solo_dev, SOLO_IIC_CTRL); int ret = -EINVAL; - solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_IIC); - if (status & (SOLO_IIC_STATE_TRNS | SOLO_IIC_STATE_SIG_ERR) || - solo_dev->i2c_id < 0) { + if (CHK_FLAGS(status, SOLO_IIC_STATE_TRNS | SOLO_IIC_STATE_SIG_ERR) + || solo_dev->i2c_id < 0) { solo_i2c_stop(solo_dev); return -ENXIO; } @@ -239,7 +244,8 @@ static int solo_i2c_master_xfer(struct i2c_adapter *adap, timeout = HZ / 2; for (;;) { - prepare_to_wait(&solo_dev->i2c_wait, &wait, TASK_INTERRUPTIBLE); + prepare_to_wait(&solo_dev->i2c_wait, &wait, + TASK_INTERRUPTIBLE); if (solo_dev->i2c_state == IIC_STATE_STOP) break; @@ -267,7 +273,7 @@ static u32 solo_i2c_functionality(struct i2c_adapter *adap) return I2C_FUNC_I2C; } -static struct i2c_algorithm solo_i2c_algo = { +static const struct i2c_algorithm solo_i2c_algo = { .master_xfer = solo_i2c_master_xfer, .functionality = solo_i2c_functionality, }; @@ -288,7 +294,8 @@ int solo_i2c_init(struct solo_dev *solo_dev) for (i = 0; i < SOLO_I2C_ADAPTERS; i++) { struct i2c_adapter *adap = &solo_dev->i2c_adap[i]; - snprintf(adap->name, I2C_NAME_SIZE, "%s I2C %d", SOLO6X10_NAME, i); + snprintf(adap->name, I2C_NAME_SIZE, "%s I2C %d", + SOLO6X10_NAME, i); adap->algo = &solo_i2c_algo; adap->algo_data = solo_dev; adap->retries = 1; @@ -311,9 +318,6 @@ int solo_i2c_init(struct solo_dev *solo_dev) return ret; } - dev_info(&solo_dev->pdev->dev, "Enabled %d i2c adapters\n", - SOLO_I2C_ADAPTERS); - return 0; } |