On Tue, Oct 02, 2012 at 11:33:26PM -0400, Vivien Didelot wrote:
> * Remove module parameters, add a ads7828_platform_data;
> * Move driver declaration to avoid adding function prototypes;
> * Remove unused macros;
> * Coding Style fixes.
>
> Signed-off-by: Vivien Didelot <vivien.didelot@xxxxxxxxxxxxxxxxxxxx>
Hi Vivien,
nice cleanup.
One more comment below. No need to re-send; I'll fix that and apply the patch to
-next.
Guenter
[ ... ]
> /* Return 0 if detection is successful, -ENODEV otherwise */
> static int ads7828_detect(struct i2c_client *client,
> struct i2c_board_info *info)
> {
> struct i2c_adapter *adapter = client->adapter;
> + u8 default_cmd_byte = ADS7828_CMD_SD_SE | ADS7828_CMD_PD3;
> int ch;
>
> /* Check we have a valid client */
> @@ -195,9 +161,12 @@ static int ads7828_detect(struct i2c_client *client,
> * - Check the top 4 bits of each result are not set (12 data bits)
> */
> for (ch = 0; ch < ADS7828_NCH; ch++) {
> - u16 in_data;
> - u8 cmd = channel_cmd_byte(ch);
> - in_data = i2c_smbus_read_word_swapped(client, cmd);
> + u8 cmd = ads7828_cmd_byte(default_cmd_byte, ch);
> + u16 in_data = i2c_smbus_read_word_swapped(client, cmd);
s/u16/int/
Otherwise in_data can never be < 0.
Guenter
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