iio: imx7d_adc: Introduce a definition for the input clock (9ce92da8) · Commits · 戴 / test

Since the input clock is always 24MHz, there is no need for storing this value into a variable. Use a definition instead, which is more appropriate in this case. Signed-off-by:

Fabio Estevam <festevam@gmail.com> Signed-off-by:

Jonathan Cameron <Jonathan.Cameron@huawei.com>

drivers/iio/adc/imx7d_adc.c

+2 −3

Original line number	Diff line number	Diff line
		@@ -82,6 +82,7 @@
		#define IMX7D_REG_ADC_INT_STATUS_CHANNEL_CONV_TIME_OUT 0xf0000

		#define IMX7D_ADC_TIMEOUT msecs_to_jiffies(100)
		#define IMX7D_ADC_INPUT_CLK 24000000

		enum imx7d_adc_clk_pre_div {
		IMX7D_ADC_ANALOG_CLK_PRE_DIV_4,
		@@ -276,13 +277,11 @@ static void imx7d_adc_channel_set(struct imx7d_adc *info)

		static u32 imx7d_adc_get_sample_rate(struct imx7d_adc *info)
		{
		/* input clock is always 24MHz */
		u32 input_clk = 24000000;
		u32 analogue_core_clk;
		u32 core_time_unit = info->adc_feature.core_time_unit;
		u32 tmp;

		analogue_core_clk = input_clk / info->pre_div_num;
		analogue_core_clk = IMX7D_ADC_INPUT_CLK / info->pre_div_num;
		tmp = (core_time_unit + 1) * 6;

		return analogue_core_clk / tmp;

Admin message