From: Oliver Neukum <oliver@neukum.org>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-kernel@vger.kernel.org, linux-input@vger.kernel.org
Subject: Re: [RFC PATCH] input: Add wiichuck driver
Date: Sat, 14 May 2011 21:17:50 +0200 [thread overview]
Message-ID: <201105142117.50529.oliver@neukum.org> (raw)
In-Reply-To: <20110512042218.12859.66600.stgit@localhost6.localdomain6>
Am Donnerstag, 12. Mai 2011, 06:29:44 schrieb Grant Likely:
> +static void wiichuck_poll(struct input_polled_dev *poll_dev)
> +{
> + struct wiichuck_device *wiichuck = poll_dev->private;
> + struct i2c_client *i2c = wiichuck->i2c_client;
> + static uint8_t cmd_byte = 0;
> + struct i2c_msg cmd_msg =
> + { .addr = i2c->addr, .len = 1, .buf = &cmd_byte };
> + uint8_t b[6];
> + struct i2c_msg data_msg =
> + { .addr = i2c->addr, .flags = I2C_M_RD, .len = 6, .buf = b };
Do you need these buffers to be capable of DMA?
Regards
Oliver
next prev parent reply other threads:[~2011-05-14 19:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-12 4:29 [RFC PATCH] input: Add wiichuck driver Grant Likely
2011-05-12 6:24 ` simon
2011-05-15 21:17 ` Grant Likely
2011-05-14 19:17 ` Oliver Neukum [this message]
2011-05-14 19:20 ` Grant Likely
2011-05-16 16:44 ` Dmitry Torokhov
2011-05-16 18:31 ` Grant Likely
2011-05-16 19:44 ` Dmitry Torokhov
2011-05-16 21:01 ` Grant Likely
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